AstroWeb: Data and Archive Centers

The maintenance of the AstroWeb database of astronomical resources has been discontinued on 10 July 2010; its contents is still available but represents the status of Astroweb at that date.

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1st High Energy Astrophysics Observatory (HEAO 1. GSFC. NASA)
The first of NASA's three High Energy Astronomy Observatories, HEAO 1 was launched aboard an Atlas Centaur rocket on 12 August 1977 and operated until 9 January 1979. During that time, it scanned the X-ray sky almost three times over 0.2 keV - 10 MeV, provided nearly constant monitoring of X-ray sources near the ecliptic poles, as well as more detailed studies of a number of objects through pointed observations.
http://heasarc.gsfc.nasa.goV/docs/heao1/heao1.html - Categories: telescope center high_energy space

Aladin Sky Atlas
Aladin is an interactive sky atlas, developed at CDS (Strasbourg, France), allowing the user to visualize digitized images of any part of the sky, to superimpose entries from astronomical catalogs or personal user data files, and to interactively access related data and information from the Simbad, NED, and Vizier databases for all known objects in the field.
The set of sky images consists of the STScI Digital Sky Survey (DSS-I and DSS-II), as well as an ensemble of higher resolution images (ESO-R and SERC plates) digitized at the MAMA facility in Paris. - Categories: infosys center survey

Association for Computing Machinery (ACM)
Many ACM information services are available on the Internet and may be accessed through this document. Included in these services is current information on the following activities: Awards, Conferences, Education, Local Activities, Network Services, Publications, and Special Interest Groups. Other ACM Information services are: Announcements from around the association, and New Product Announcements. In addition, information is available from the following affiliate organizations: Federation on Computing in the United States and IFIP, and Institute for the Certification of Computing Professionals. - Categories: misc center

Astro Space Center (ASC)
The Astro Space Center as a branch of Lebedev Institute of Physics has a number of commitments for space experiments in the areas of upper atmospheric, solar, and astronomical research aboard Radioastron , Kvant and other space projects. Division scientists are involved in major research thrusts that include interferometric observations, studies of the solar atmosphere by using spectrographic techniques, and studies of astronomical ranging from the ultraviolet through cosmic rays. The division maintains facilities to design, construct, assemble, and calibrate space experiments. - Categories: dept center software space

Astrographic Catalogue 2000 (USNO)
The Astrographic Catalogue (AC) was an international effort designed to photograph and measure the positions of all stars brighter than magnitude 11.0. In total, over 4.6 million stars were observed, many as faint as 13th magnitude. This project was started over 100 years ago. The sky was divided among 20 observatories, by declination zones. Each observatory exposed and measured the plates of its zone, subsequently publishing the plate measures.
The U.S. Naval Observatory has completed data entry of the printed volumes of the AC, has completed the data reduction of each zone, and has converted the positions to the system defined by Hipparcos. The resulting catalog, called AC 2000, is now available. - Categories: center optical

Astronomical Data Center (ADC)
The Astronomical Data Center (ADC), at NASA Goddard Space Flight Center, Greenbelt, Maryland, is a cooperative effort between the National Space Science Data Center (NSSDC)/ World Data Center A for Rockets and Satellites (WDC-A-R&S) and its parent organization, the Space Science Data Operations Office . Currently, the ADC archives hold more than 670 catalogs of astrometry, photometry, spectroscopy, radio, and other miscellaneous data for stellar and nonstellar objects. The data were acquired through exchanges with the Centre de Donn'ees Astronomiques de Strasbourg (CDS) , other astronomical data centers throughout the world, and by direct contributions from the international astronomical community. - Categories: center high_energy infrared optical radio ultraviolet

Astrophysical CATalogs support System of the Special Astrophysical Observatory (CATS)
Astrophysical CATalogs Support System (CATS) of the Special Astrophysical observatory includes a large number of astrophysical catalogs (mostly radioastronomical) and allows users to select sources from the CATS by different parameters, to make cross-identifications with user's lists and to study radio spectra of radio sources. - Categories: center high_energy infrared optical radio

INACTIVE LINK ? - 67 --- Astrophysics Multi-spectral Archive Search Engine (AMASE)
AMASE is an online astrophysics catalog developed using object-oriented database (OODB) technology to help researchers locate multi-mission data in the NASA archives. - Categories: center infosys

Astrovirtel (Accessing Astronomical Archives as Virtual Telescopes)
The ASTROVIRTEL Project, supported by the European Commission and managed by the ST-ECF on behalf of ESA and ESO, is aimed at enhancing the scientific return of the ESO/ST-ECF Archive. It offers the possibility to European Users to exploit it as a virtual telescope, retrieving and analysing large quantities of data with the assistance of the Archive operators and personnel. - Categories: center survey

Atomic Data for Astrophysics
This service provides links to archives of atomic data for astrophysics at the University of Kentucky and other sites accessible through the WWW. The ADfA page is regularly updated. - Categories: center

Atomic Line List
The atomic line list is a compilation of approximately 855,000 allowed, intercombination and forbidden atomic transitions with wavelengths in the range from 0.5 Å to 1000 µm. Its primary intention is to allow the identification of observed atomic absorption or emission features. The list is nearly complete for all ionization stages of all elements up to zinc. Transition probabilities are available for nearly 14% of the lines; they are mostly derived from Opacity Project data. - Categories: physics center high_energy infrared optical ultraviolet

BeppoSAX Mission (SAX)
The X-ray astronomy satellite BeppoSAX (Satellite per Astronomia X, "Beppo" in honor of Giuseppe Occhialini) is a project of the Italian Space Agency (ASI) with participation of the Netherlands Agency for Aerospace Programs (NIVR).
In the framework of past and future X-ray missions BeppoSAX stands out for its wide spectral coverage, ranging from 0.1 to over 200 keV. The sensitivity of the scientific payload allows the detailed study over the entire energy band of sources as weak as about 1/20 of 3C273. This opens new perspectives in the study of broad band X-ray spectra and variability of cosmic sources. [also in Italian] - Categories: telescope center high_energy space

Besancon Double and Multiple Star Database
The aim of the Double and Multiple Star Database of the Besançon Observatory is to provide a set of specific informations, as complete as possible, for different kinds of binary and multiple stars: visual, spectroscopic, photometric, interferometric, astrometric, by occultation, etc. - Categories: center

Binaries among Cepheid variables - data base
An on-line data base on Galactic Cepheids belonging to binary or multiple systems. Orbital elements (when available) and detailed bibliography are also accessible. Links to SIMBAD and ADS. - Categories: center bibliography

CDS Service for Astronomical Catalogues (Astronomer's Bazaar)
This on-line service, provided by the CDS, Strasbourg, gives access to several thousand astronomical data catalogues and tables. The VizieR catalog browser provides additional search functionalities for a large fraction of these catalogues. - Categories: center

CHIANTI: A database for astrophysical emission line spectroscopy (CHIANTI)
CHIANTI is a database that contains the most accurate data available for the calculation of emission line intensities as a function of both temperature and density. The database is essentially complete for wavelengths greater than 50 Angstroms and is to be extended to shorter wavelength. A library of IDL procedures is included. - Categories: physics center high_energy software

The CLEMENTINE Spacecraft, was launched on 25 January 1994, and performed in 71 days the first multi-spectral systematic mapping of the moon. Clementine produced 1,800,000 images that represents approximately a volume of 55 Go of data. These data are distributed by the PDS on 90 CD-ROMS, and are also available on line (stored on 55 Go drives) thanks to this server provided by CNES. - Categories: center space

Canada France Hawaii Telescope - Archive at CADC (CFHT)
All the CFHT data are now being archived since September 18, 1992 and the proprietary period is 2 years. After that time, they become public and are available world wide. - Categories: center optical

Canadian Astronomy Data Centre (CADC)
The CADC was established in 1986 as one of three world-wide distribution centres for data from the Hubble Space Telescope and is part of the Dominion Astrophysical Observatory in Victoria, B.C. The CADC mandate has recently expanded and we are now archiving data from the Canada-France-Hawaii Telescope located on the Big Island of Hawaii. CADC has hosted ADASS'93 (Oct 13-15, 1993). - Categories: center

Cassini-Huygens Mission to Saturn & Titan (Cassini)
Saturn and Titan will be the destination for the Cassini mission, a project under joint development by NASA, the European Space Agency and the Italian Space Agency. The U.S. portion of the mission is managed for NASA by the Jet Propulsion Laboratory. - Categories: planetary center infrared optical particles radio space telescope ultraviolet

Catalog of Infrared Observations (CIO)
The Catalog of Infrared Observations is a database of over 200,000 published infrared observations of more than 10,000 individual astronomical sources over the wavelength range from 1 to 1000 microns. The catalog is available for downloading via ftp. - Categories: survey center infrared

Catalogue of Galactic Supernova Remnants
This is a catalogue of Galactic SNRs, giving a summary listing of the parameters for each remnant, and detailed listings (with references) for each object. The documentation gives a description of the entries, and notes on new SNRs included in this version of the catalogue, objects no longer thought to be SNRs, and possible SNRs not included in the catalogue. - Categories: misc center

Center for Advanced Space Studies (CASS)
The Center for Advanced Space Studies is a major research and conference facility built by Universities Space Research Association (USRA) in 1991 in Houston, Texas. Since the completion of the CASS facility in December 1991, it has housed the four Houston activities of USRA: Lunar and Planetary Institute (LPI), Exploration Science Institute (ESI), Division of Space Life Sciences (DSLS), Division of Educational Programs (DEP). - Categories: center planetary

Center for Earth and Planetary Studies (CEPS / RPIF)
Center for Earth and Planetary Studies and its Regional Planetary Image Facility (RPIF) located at the National Air and Space Museum, Smithsonian Institution are pleased to announce the availability of its WWW server. The purpose of this NASA supported RPIF is to act as a reference library providing planetary science researchers with access to the extensive collection of image data from planetary missions. Currently we are in the process of placing some of the 300,000 photographs and images of the planets and their satellites in our collection online. - Categories: center pictures planetary

INACTIVE LINK ? - 107 --- Center for Extreme Ultraviolet Astrophysics (CEA / EUVE)
The Center for Extreme Ultraviolet Astrophysics (CEA) opened in September, 1990. CEA represents the culmination of twenty years of research and student training in the field of EUV astronomy brought to focus by the launch of NASA's research mission, the University of California at Berkeley Extreme Ultraviolet Explorer (EUVE), on June 7, 1992. - Categories: telescope center space ultraviolet

INACTIVE LINK ? - 198 --- Central Bureau for Astronomical Telegrams (CBAT)
The Central Bureau for Astronomical Telegrams (CBAT) operates at the Smithsonian Astrophysical Observatory, under the auspices of Commission 6 of the International Astronomical Union and under the direction of Dr. Brian G. Marsden. The CBAT is responsible for the dissemination of information on transient astronomical events, via the IAU Circulars (IAUCs), a series of postcard-sized announcements issued at irregular intervals. The IAUCs are also available in electronic form. - Categories: center

Centre de Donnees de la Physique des Plasmas (Plasma Physics Data Centre - CDPP)
The CDPP (Centre de Données de la Physique des Plasmas) is a data centre serving the space plasma physics community. Its primary purpose is to preserve data relevant to the physics of naturally occurring plasmas, especially data from experiments which are either French or have strong French participation. The CDPP both renders these data accessible, and facilitates their exploitation. The CDPP is located in Toulouse (France), where it has its two principal components, one supported by the CNES (Centre National d'Etudes Spatiales), and the other by the CESR (Centre d'Etude Spatiale des Rayonnements). - Categories: center earth particles radio solar

Centre de Données Astronomiques de Strasbourg (CDS)
The CDS is a data center dedicated to the collection and worldwide distribution of astronomical data. It is located at the Observatoire Astronomique de Strasbourg, France. The CDS hosts the SIMBAD astronomical database, the world reference database for the identification of astronomical objects. The CDS site includes access to SIMBAD on the Web, various bibliographic services and mirror sites, the AstroWeb pages and the Star*s Family of directories, the TOPBase of the Opacity project, etc.
It also includes the famous Astronomer's Bazaar , a unique feature allowing to select astronomical catalogues by keyword or author's name, among the library of several thousands catalogues and tables available on line, and to actually retrieve the corresponding files. This is completed by the VizieR service for querying catalogues and tables. - Categories: center

Centre de Données astronomiques de Strasbourg (CDS AnonFTP site)
Documents & Files related to Astronomical Catalogues and Publications; Astrometric catalogues; Photometric catalogues; Spectroscopic catalogues; Cross-Identifications; Combined catalogues; Miscellaneous Catalogues; Non-stellar Objects; Radio catalogues. Tables published in Astron. Astrophys; Astron. Astrophys. Suppl. Ser.; Astron. J.; Astrophys. J.; Astrophys. J. Suppl. Ser.; IAU Symposium; Mon. Not. R. Astron. Soc. - Observations of Variable Stars by the " Association Francaise d'Observateurs d'Etoiles Variables" ; How to access and use The Opacity Project dataBASE, providing extensive atomic data. A WWW version of the same services is available. - Categories: center

Centre de Prevision de l'activite solaire et geomagnetique (RWC MEUDON)
Forecast of solar activity: solar cm flux, solar flares.
Forecast of geomagnetic activity: geomagnetic indices, geomagnetic storms.
Forecast of the solar cycle.
Data base for cosmic rays from Kerguelen and Terre Adelie station. [in French] - Categories: center education solar

Chandra X-ray Observatory (AXAF) - Science Center (ASC)
The Chandra (AXAF) Science Center is located at the Smithsonian Astrophysical Observatory in Cambridge, Massachusetts. The purpose of the ASC is to provide the support required by the science community to realize fully the potential of the Chandra X-ray Observatory. - Categories: center high_energy

Compton (Gamma-Ray) Observatory Science Support Center (COSSC. GSFC. NASA)
The Compton Gamma Ray Observatory (CGRO mission, 1991-2000) had four instruments that covered an unprecedented six decades of the electromagnetic spectrum, from 30 keV to 30 GeV. The CGRO Science Support Centre (COSSC) data archive contains information and data related to the following experiments - Categories: center high_energy

Cordier et al.'s stellar evolution tracks
Stellar evolution tracks published in Cordier et al. (2002) and Cordier et al. (2003) can be downloaded from this web page. - Categories: center

DEep Near Infrared Survey of the Southern Sky (DENIS - IAP)
DENIS is a deep complete survey of the astronomical sources of the Southern Sky in 2 near-infrared bands (J at 1.25 micron & K at 2.16 micron) and one optical band (I at 0.8 micron) simultaneously, using a one meter ground-based telescope at La Silla (Chile), with limiting magnitudes 18.5, 16.5 and 14.0, respectively. - Categories: center infrared optical survey

DEep Near Infrared Survey of the Southern Sky: Point Source Database (DENIS)
DENIS is a deep astronomical survey of the Southern Sky in two near-infrared bands (J at 1.25 µ and K at 2.16 µ) and one optical band (I at 0.8 µ) simultaneously, conducted by a European consortium, using a one meter telescope (ESO, La Silla). The survey started in 1996 and is expected to be completed in 2000.
The Centre de Données Astronomiques de Strasbourg (CDS) is implementing the final point source databases and is providing access of the processed and calibrated data to the worldwide community. - Categories: center infrared optical survey

Digital Sky Project
The Digital Sky Project: Federating the Multi-Wavelength Sky Surveys. - Categories: center survey

INACTIVE LINK ? - 34 --- Digitized Sky Survey at LEDAS
This service provides access to digitized optical Schmidt plates forming the STScI Digitized Sky Survey (DSS). The DSS is particularly useful in producing finding charts. Users are able to tailor the size of the output image (from 17" to 1°) to suit their particular needs. - Categories: center optical

ELODIE archive
The ELODIE archive hosts more than 16000 Echelle spectra of 2000 objects obtained since 1994 with the ELODIE spectrograph used at the 1.93m telescope at OHP observatory (Observatoire de Haute Provence, France). The website allows to visualize and download the reconnected 67 echelle orders spectra (4000-6800 A) rebinned with a 0.05 A step. A pipeline is also available to reduce the spectra on the fly. - Categories: center

ESA's X-ray Observatory (EXOSAT at GSFC - NASA)
The European Space Agency's X-ray Observatory, EXOSAT, was operational from May 1983 to April 1986. During that time, EXOSAT made 1780 observations of a wide variety of objects, including active galactic nuclei, stellar coronae, cataclysmic variables, white dwarfs, X-ray binaries, clusters of galaxies, and supernova remnants. - Categories: telescope center high_energy space

ESO / ST-ECF Data Archive
European Southern Observatory / Space Telescope - European Coordinating Facility - Categories: center space

ESO Science Archive Facility
You can search the following ESO Databases: NTT EMMI/SUSI, Science Archive Observation Programme Schedule, Seeing monitor data for La Silla, Extinction coefficients for La Silla, Spectral Plates, Preprints, Publications of the ESO User's Community.
You can search the following Hubble Space Telescope (HST) Databases: HST Science Exposures, HST Abstracts & Proposals, HST Abstracts - full text, HST Publications, FOS/GHRS observations by target class.
Other Services at the ESO/ST-ECF Archive: Astronomical Catalogues, The Digitized Sky Survey, The HST Guide Star Catalogue, The ESO Sky Calendar tool, A review of today's data archive technology. - Categories: center

Edinburgh Royal Observatory (ROE)
This site offers information about the extensive activities of the Royal Observatory, Edinburgh, a PPARC establishment responsible for building common-user IR and sub-mm instrumentation and managing telescope sites and data archive resources, as well as the UK Schmidt Telescope and the SuperCOSMOS measuring machine. The ROE site also has links to, or acts as the home page for: and much more information besides. - Categories: dept center infrared survey telescope

Einstein Data Archive (SAO, Cambridge, MA)
The Einstein Observatory was a satellite based imaging X-ray telescope in operation from November 1978 to April 1981. The focal plane detectors included two Imaging Proportional Counters (IPC), three High Resolution Imagers, an Objective Grating Spectrometer (OGS), a Focal Plane Crystal Spectrometer (FPCS) and a Solid State Spectrometer (SSS). The most commonly used instrument was the IPC, which made nearly 4000 observations of astronomical sources. This page gives access to the Einstein data archive (catalogs, high level products, raw data). - Categories: center high_energy

European Asteroidal Occultation Results (euraster)
Online European observational results of stellar occultations by asteroids since 1997 (and sometimes by Pluto and satellites of outer planets). - Categories: center optical

European Pulsar Network Data Archive (EPN data archive)
The European Pulsar Network is maintaining an archive of published data: the database consists largely of pulse profiles but may in the future contain pulse time-of-arrival measurements. - Categories: center bibliography

European Space Operations Centre (ESA/ESOC)
ESOC is the satellite control centre of the European Space Agency (ESA). It is responsible for the operations of all satellites and related ground stations and communications network. - Categories: abstracts agency center space

Extrasolar Planets Encyclopedia
This resource, maintained by Jean Schneider (Observatoire de Paris), provides updated information about the search for extrasolar planets.
It includes a Catalog of Extrasolar Planets and a list of meetings. - Categories: misc center meetings planetary

Extreme UltraViolet Explorer (EUVE) Archive (at HEASARC)
A copy of the EUVE Final Archive is at HEASARC for the service of the community of high-enregy astrophysicists. - Categories: center high_energy

Extreme Ultraviolet Explorer (EUVE) Archive (at STScI) - Categories: center ultraviolet

French ground based solar database (BASS2000)
The BAse de données Solaire Sol 2000 was created as a support for THEMIS data and in complement of the MEDOC database of space observations (SOHO). This database is implemented on two complementary sites (Meudon and Tarbes); it archives data from Tenerife (THEMIS), Meudon, Nançay, and Pic du Midi. - Categories: center optical radio solar

GSFC's Exploration of the Universe Division (EUD)
NASA-GSFC's Exploration of the Universe Division conducts and supports astroparticle (gamma-ray and cosmic-ray), X-ray, gravitational-wave, observational cosmology, exoplanet and stellar astrophysics research. - Categories: center high_energy infrared planetary space ultraviolet

Galactic Classical Cepheid Database (DDO)
The Database of Galactic Classical Cepheids is a project of J. Donald Fernie that lists all known Population I cepheids. It consists of four tables listing data on 505 cepheids in the Galaxy. Information includes positional data, color excess determinations, periods, amplitudes and means of V, B and B-V derived by Fourier fits to magnitude and intensity light curves, radial velocities, distances, Z values, etc. Simple string searches of the database are possible using WWW client software such as NCSA Mosaic. The tables can be viewed in PostScript format or retrieved in either ascii or dBase IV versions. - Categories: center

INACTIVE LINK ? - 142 --- Goddard High Resolution Spectrograph (GHRS-HST)
The GHRS was one of four axial instruments on the Hubble Space Telescope and was designed to obtain UV spectra over a wide range of resolutions. GHRS was used to make finely detailed spectroscopic observations of ultraviolet sources, but was removed from HST in February 1997. - Categories: center

High Energy Astrophysics Science Archive Research Center (HEASARC)
The purpose of the HEASARC is to support a multi-mission archive facility in high energy astrophysics for scientists all over the world. Data from space-borne instruments on spacecraft, such as ROSAT, ASCA (formerly Astro-D), GRO (Compton), BBXRT, HEAO 1, HEAO 2 (Einstein), EXOSAT, and XTE are provided, along with a knowledgeable science-user support staff and tools to analyze mutliple datasets. The HEASARC activity is a joint effort between the Laboratory for High Energy Astrophysics (LHEA)and the National Space Science Data Center (NSSDC). (there is also a Gopher ) - Categories: center high_energy space

Hubble Space Telescope Data Archive (STScI) - Categories: center

Hypercat (CRAL-Observatoire de Lyon)
Hypercat is an interface to databases and to local catalogues of extragalactic data.
These catalogues concern various characteristics of galaxies: Optical photometry, Internal kinematics, Metallicity. - Categories: center

INTEGRAL Science Data Centre
The INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) is a medium size mission of the European Space Agency dedicated to gamma-ray astronomy. The INTEGRAL Science Data Center (ISDC) located in Geneva is the link between the astronomical community at large and the INTEGRAL spacecraft. - Categories: center high_energy survey

INTErnational Real-time MAGnetic Observatory NETwork (INTERMAGNET)
INTERMAGNET is an international consortium of agencies which oversees the operation of ground-based geomagnetic observatories and which promotes the dissemination of their data. [also in French] - Categories: center earth

INACTIVE LINK ? - 563 --- IPAC IRSKY observation planning tool
IRSKY is an observation planning tool, which allows display of IRAS images, overlay of catalogs on the images, and information on the ISO satellite, all useful in planning ISO observations. - Categories: center

IUE Archive (MAST)
The International Ultraviolet Explorer (IUE) performed spectrophotometry at high (0.1-0.3 Å) and low (6-7 Å) resolution between 1150 Å and 3200 Å.
Over 104,000 ultraviolet spectra were obtained with IUE between January 26, 1978, and September 30, 1996.
This is part of the Multimission Archive at STScI. - Categories: center ultraviolet

INACTIVE LINK ? - 182 --- IUE Newly Extracted Spectra (INES)
This data server provides access to IUE Final Archive data, processed with the INES system. It was developed by the ESA IUE project at VILSPA and is maintained and distributed by ESA and LAEFF, the Principal Centre for INES data. LAEFF is part of the Space Science Division of INTA. - Categories: center ultraviolet

Information and On-line Data in Astronomy
This is the on-line complement of the book "Information & On-line Data in Astronomy", Daniel Egret & Miguel A. Albrecht (Editors), published by Kluwer Acad. Publ. (Sept. 1995). It includes summary descriptions of the databases, archives, and information systems presented in the printed version, together with the complete access pointers (kept up-to-date) and, when available, ready-to-use hyperlinks to the original data systems. - Categories: other_astronomy center

InfraRed Science Archive (IRSA, NASA/IPAC)
The NASA/IPAC InfraRed Science Archive (IRSA) is a project focused on providing software and Internet services to facilitate astronomical discoveries, support the production of new astronomical data products, and to plan future observations utilizing the data archives from infrared astrophysics missions supported at IPAC. - Categories: center infrared

Infrared Astronomical Satellite Data Products (IRAS Archive Interface)
The Infrared Astronomical Satellite surveyed almost the entire sky in four infrared bands and obtained deeper maps and low-resolution spectra of thousands of infrared sources. All of the IRAS data products released by IPAC, including catalogs and images, are accessible through this interface, provided by the Astrophysics Data Facility at NASA Goddard Space Flight Center. The interface also includes links to many related Astronomical Data Center catalogs. - Categories: center infrared

Infrared Processing & Analysis Center (IPAC)
The Infrared Processing and Analysis Center (IPAC) exists to carry out large, data-intensive processing tasks of critical importance to NASA's infrared astronomy program, and to provide scientific expertise on those projects to the astronomical community. IPAC is operated by the California Institute of Technology, Jet Propulsion Laboratory under contract to the National Aeronautics and Space Administration (NASA). - Categories: center infrared

INACTIVE LINK ? - 166 --- Infrared Space Observatory Data Centre (IDC)
The Infrared Space Observatory (ISO) is an ESA (European Space Agency) mission with the participation of ISAS (Japan) and NASA (USA).
The ISO Data Archive is maintained at the ISO Data Centre, which is based at Villafranca, Madrid, and is part of the Astrophysics Division of the Space Science Department of ESA. - Categories: center infrared space

International Earth Rotation Service (IERS)
The mission of the International Earth Rotation Service (IERS) is to provide timely and accurate data on the Earth's rotation and to maintain the International Celestial Reference Frame and the International Terrestrial Reference Frame.
The IERS is an interdisciplinary service that maintains key connections between astronomy, geodesy and geophysics. - Categories: center earth

INACTIVE LINK ? - 174 --- International Ultraviolet Explorer (IUE)
The International Ultraviolet Explorer (IUE) satellite was launched on the 26th of January 1978 and transferred into a geosynchronous orbit over the Atlantic Ocean. The mission ended on September 30, 1996. - Categories: center space ultraviolet

International Variable Star Index (VSX)
The International Variable Star Index (VSX) is a comprehensive relational database of known and suspected variable stars gathered from a variety of published sources and made available through a Web interface which provides the tools for visitors to search and view the data, registered users to revise and add to the data, and authorized moderators to vet the data, creating a consistently reliable “living” catalog of the most accurate and up-to-date information available on these objects. - Categories: center

Interoperable Systems for Archival Information Access (ISAIA)
In order to support the emerging Space Science Data Services information systems infrastructure, we propose to develop an interdisciplinary data location and integration service for space science. Building upon existing data services and communications protocols, this service will allow users to transparently query hundreds or thousands of WWW-based resources (catalogs, data, computational resources, bibliographic references, etc.) from a single interface. The service will collect responses from various resources and integrate them in a seamless fashion for display and manipulation by the user. - Categories: infosys center

Ionosphere Thermosphere Mesosphere (ITM) - Categories: center earth

Isaac Newton Group (la Palma) Data Centre
Observations taken since 1986 with the INT, JKT and WHT telescopes. - Categories: center

Italian Database of Astronomical Catalogues (DIRA2)
Dira2 is a database system to manage Astronomical Catalogues developed from 1984 by Astronet Database Group - Italy . The system now contains about 280 astronomical catalogues. DIRA2 can be accessed using these Web forms, where a subset of the commands are defined, or importing the dira2 software on your computer to manage catalogues selected from database and personal tables. The server is located in Italy at CNR Istituto di Radioastronomia. - Categories: center

Japan N. A. O. - Astronomical Data Analysis Center (NAOJ-ADAC)
On-line Access Interface to Astronomical Data. [also in Japanese] - Categories: center infrared optical

Joint Scientific and Educational Center (JSEC)
Goals of the Center: Joint Astrophysical Research by universities and Academy of Sciences at BTA (6m telescope) and RATAN-600- the largest Russian astrophysical instruments. / Promotion of high quality education in Astrophysics and Radioastronomy / Development of database for astronomy research and improvement of educational standards in universities specializing in astronomy. / Application of new methods and technologies to the largest telescopes of Academy of Sciences and development of instrumental base for modern astrophysical research and high quality education. - Categories: education center dept radio

Journal of Astronomical Data
The Journal of Astronomical Data accepts raw and reduced data from observations as well as from theoretical research, reduction software, complete descriptions of new instruments, PhD theses with extensive data tables, catalogues, graphs, computer code, and also lengthy articles, or regular articles accompanied by the data on which it is based.
Contributions describe in short the astrophysical background and motive for the scientific work done, a complete description of the data-collecting process, an assessment of the accuracy of the data, next to the data themselves.
All data are published on CD-ROM. - Categories: full_text center

LEicester Database and Archive Service (LEDAS)
LEDAS provides an on-line astronomical database service, access to archive data from high-energy astrophysics satellite missions, including EXOSAT, Ginga, ROSAT, ASCA and Chandra and scientific support for guest observers. - Categories: center high_energy

Lausanne - General Catalogue of Photometric Data (GCPD)
The General Catalogue of Photometric Data (GCPD) built at the Institute of Astronomy of the University of Lausanne contains photometric data for about 200000 stars from some 75 different systems, taken from about 3300 papers. The WWW server allows to query the database ad retrieve any data from any photometric system. Searching the references by authors' names and keywords from the titles offers a possibility to retrieve the data from each of the 3300 papers directly. - Categories: center bibliography infrared optical ultraviolet

Libraries of stellar spectra
Libraries of stellar spectra (late-type stars) by Montes et al., Other Libraries of stellar spectra. MK (Morgan-Keenan) Spectral Classification. Other related links.
Maintained by David Montes, Departamento de Astrofísica, Universidad Complutense de Madrid. - Categories: center infrared optical ultraviolet

Lyon-Meudon Extragalactic DAtabase (LEDA)
Created in 1983, LEDA is the oldest Extragalactic Database. It gives more than 60 of the most important parameters for about one million galaxies. It provides charts and images through a Web interface. In addition, a batch mode is available and also a very powerful SQL-like query language. - Categories: center infrared optical

Magellan Mission to Venus - Image Browser (PDS Imaging Node. JPL. NASA)
Online access to the full set of Magellan images (specifically the MIDRs) that have been published on CD-ROM by NASA. - Categories: planetary center pictures

McMaster Cepheid Photometry and Radial Velocity Archive
This site contains ASCII data tables of photometry and radial velocities for Galactic and Extragalactic Cepheids (both Classical and Type II). Data is presented as published and full citations to the original work are given. Currently, data are sorted according to star name. - Categories: center bibliography optical

The Strasbourg astronomical Data Centre (CDS) is collecting modern media offering material related to astronomy and space sciences. - Categories: center software

Midcourse Space Experiment (MSX)
The MSX observatory is a Ballistic Missile Defense Organization project which offers major benefits for both the defense and civilian sectors. It was launched on a Delta II vehicle on April 24, 1996, into a 900 km, polar, near-Sun synchronous orbit. The spacecraft featured an advanced multispectral image capability to gather data on test targets and space background phenomena.
The infrared sensors operated at 11 to 12 degrees Kelvin by employing a solid hydrogen cryostat. The IR instruments span the range 4.2 - 26 microns. The focal plane array consists of five bands and the radiometer beam-size is more than 25 times smaller than IRAS. As a result, much greater spatial resolution than anything currently available has been obtained. The cryogen phase of the mission ended on 26 February 1997. During the ten month cryogen phase of the mission over 200 Giga Bytes of data on Celestial Backgrounds were obtained.
See the MSX Celestial Backgrounds Team Home Page for additional details. - Categories: telescope center infrared physics planetary solar space

INACTIVE LINK ? - 199 --- Minor Planet Center
The Minor Planet Center is a service of Commission 20 of the International Astronomical Union and operates at the Smithsonian Astrophysical Observatory under the direction of Dr. Brian Marsden. The Minor Planet Center is responible for the collection and dissemination of astrometric observations and orbits for minor planets and comets. - Categories: center

Multi-Experiment Data Operations Center for SOHO (MEDOC)
MEDOC (Multi-Experiment Data Operations Center for SOHO) is designed to meet the needs of European SOHO Investigators who wish to work together on the data analysis and the preparation of joint observations using SOHO instruments and also European solar ground-based Observatories. This European Centre complements the SOHO facilities (Experiment Operations Facility, Experiment Analysis Facility, U.S. SOHO Archive ) located in GSFC (NASA). - Categories: center optical particles solar space ultraviolet

Multimission Archive at STScI (MAST)
The Multimission Archive at STScI is being developed to support a variety of astronomical data archives, with the primary focus on scientifically related data sets in the optical, ultraviolet, and near-infrared parts of the spectrum. - Categories: center infrared optical ultraviolet

NASA National Space Science Data Center (NSSDC)
The primary responsibility of the NSSDC is to further the use of NASA spaceflight mission data. The NSSDC also provides data from some ground-based and non-NASA sources which are considered to be important adjuncts to the NASA space-based data. The Data Center maintains and distributes documentation, indexes and catalogs about the data in its archives, and similar information about important space mission datasets maintained by other institutions. The NSSDC's Astronomy and Astrophysics Home Page offers information about online data and services, including access to a WAIS-searchable index of more than 700 astronomical catalogs; high-level project descriptions for such projects as ASCA, ROSAT, EUVE, HST, and COBE; and links to many other popular astronomy and astrophysics resources. - Categories: center high_energy infrared optical particles radio ultraviolet

NASA Space Physics Data Facility (SPDF)
The Space Physics Data Facility (SPDF) leads in the design and implementation of unique multi-mission and multi-disciplinary data services, innovative ground data system concepts, educational programs and cross-cutting data, modeling and visualization research to strategically advance NASA's solar-terrestrial program and our understanding of the Sun-Earth system. Major SPDF efforts include the multi-mission data and orbit services developed and operating as part of the Sun-Earth Connection Active Archive project, support to the ground systems and science of missions like IMAGE, a wide range of science and technology research efforts and the Sun-Earth Connections Education Forum. The staff supporting SPDF includes scientists, information technology, education and visualization experts. The SPDF is based at NASA's Goddard Space Flight Center in Greenbelt, MD U.S.A. It is a component of Goddard's Sciences & Exploration Directorate's Laboratory for Solar and Space Physics. The Facility is headed by Dr. Robert E. McGuire. - Categories: physics center solar space

NASA/IPAC Extragalactic Database (NED)
Research tool providing access to a broad range of published extragalactic data. NED is continuously being updated and augmented. It is the systematic merger of major catalogs of extragalactic objects covering all wavelengths, and of object lists appearing in the refereed literature.
NED contains about 800,000 objects, along with names, redshifts, positions, bibliographic references, photometric measurements, and notes. The Web interface of NED started recently serving images of objects at various wavelengths. - Categories: center abstracts bibliography high_energy infrared optical radio ultraviolet

NCSA Astronomy Digital Image Library (NCSA ADIL)
The purpose of the NCSA Astronomy Digital Image Library is to collect fully processed astronomical images in FITS format format and make them available to the research community and the general public via the World Wide Web. The collection contains images from research observatories all over the world and taken at all wavebands. - Categories: library center education high_energy infrared optical pictures radio ultraviolet

National Oceanic Data Center (NODC) - Categories: center earth

North Carolina State University - Mars Mission Research Center
Co-located at North Carolina State University in Raleigh (NCSU) and North Carolina Agricultural and Technical State University in Greensboro (A&T), the Mars Mission Research Center (M2RC) is one of eight University Space Engineering Centers established by NASA in 1988. The goal of the Center is to focus on research and educational technologies necessary for planetary exploration, especially transportation to and from Mars. - Categories: center planetary space

Nuclear Reaction Rates for Stellar Nucleosynthesis (RRSN)
Presented is a compilation of stellar nuclear reaction rates for light, intermediate mass, and heavy nuclei used in calculations of stellar nucleosynthesis. These are intended to replace the reaction rate compilation developed by R. Hoffman and S. Woosley (version 92.1, 1992).
This compilation represents our choice of so called "standard" reaction rates used in our latest calculations of nucleosynthesis in massive stars (Rauscher, Heger, Hoffman, & Woosley 2002, ApJ in press). In future releases of this compilation, we will provide references to other sources of information. - Categories: center

OAO-3 (Copernicus) Archive
The Copernicus satellite, otherwise known as the Orbiting Astronomical Observatory 3 (OAO-3), obtained high resolution far- (900-1560 Å) and near- (1650-3150 Å) ultraviolet spectra of 551 objects, primarily bright stars, from 1972 to 1981.
This is part of the Multimission Archive at STsCI (MAST). - Categories: center space ultraviolet

Open Cluster Database (WEBDA)
WEBDA is a site devoted to observations and data on stars in open clusters. The database collects information on more than 1 000 000 stars in some 1000 open clusters. Various facilities are offered to perform selections on star clusters and access the available data for each cluster. The database query through cluster maps is a main feature of the interface. A place where anybody should be able to get the desired data and contribute his or her own observations.
Created by Jean-Claude Mermilliod (EPFL, Switzerland), WEBDA is now located in Vienna under the maintenance of Ernst Paunzen. - Categories: center optical

PDS Imaging Node (PDSIMG)
The Imaging Node of the Planetary Data System is the curator of NASA's primary digital image collections from past, present, and future planetary missions. The node provides to the NASA planetary science community the digital image archives, necessary ancillary datasets, software tools, and technical expertise necessary to fully utilize the vast collection of digital planetary imagery. - Categories: center education infosys infrared optical pictures planetary software space ultraviolet

PDS Imaging Node's Planetary Image Atlas (PDSIMG Atlas)
The Atlas is designed to be a single interface through which you can search for, display, and download full resolution data for all planetary missions. It will eventually replace individual existing browsers. Until that time, links to the individual browsers are provided from this central location. Current missions included in the Atlas are: 2001 Mars Odyssey, Mars Global Surveyor, Magellan, Clementine, Viking, Mars Pathfinder, Voyager, and Galileo. - Categories: center infrared optical pictures planetary space ultraviolet

INACTIVE LINK ? - 236 --- POLLUX database of stellar spectra (GRAAL, Montpellier, France)
POLLUX aims at archiving high resolution, high signal-to-noise spectra of stars in the optical range. We expect the POLLUX spectra to be useful to astrophysicists working in the field of stellar atmospheres and to a certain extent to scientists working on stellar population synthesis. - Categories: center

Padova database of stellar evolutionary tracks and isochrones - Categories: center infrared optical ultraviolet

Planetary Data System (PDS)
The PDS archives and distributes scientific data from NASA planetary missions, astronomical observations, and laboratory measurements. The PDS is sponsored by NASA's Office of Space Science. Its purpose is to ensure the long-term usability of NASA data and to stimulate advanced research. PDS is continually upgrading and updating its archives, to better serve the needs of its user communities. - Categories: center high_energy infrared optical particles radio ultraviolet

ROSAT Guest Observer Facility (ROSAT)
The ROSAT Science Data Center (RSDC) is responsible for execution of the guest investigator program, including such activities as providing assistance in the preparation of proposals, the receiving, processing, and distributing ROSAT pointed data, and providing facilities for the scientific analysis of these data. - Categories: center high_energy space

SAI Database
This site includes presentations of astronomical databases maintained at Sternberg Astronomical Institite, Moscow University. - Categories: center

SAO Telescope Data Center (RVSAO, RGSC, SKYMAP Software)
Includes software packages: RVSAO, an IRAF package for finding radial velocities from spectra; RGSC a program for searching the Hubble Space Telescope Guide Star Catalog; SKYMAP a program for mapping star catalogs onto the sky; STAR a program for searching star catalogs - Categories: center high_energy infrared optical software

SkyCat (ESO)
SkyCat is a tool developed at the European Southern Observatory (ESO) that combines visualization of images and access to catalogs and archive data for astronomy. - Categories: software center

Solar Data Analysis Center (SDAC)
The SDAC at NASA Goddard Space Flight Center serves current solar ground- and spaced-based imagery, text, figures, maps, and tables of NASA eclipse bulletins, solar flare data from the Compton GRO BATSE experiment and the Yohkoh spacecraft, and science operations planning information for the SOHO Science Working Team.... and more to come. - Categories: center high_energy infrared optical particles pictures solar space ultraviolet

Solar UV Atlas from HRTS (HRTS data)
Through the generosity of Dr. Pål Brekke of the University of Oslo, the High Resolution Spectrograph and Telescope (HRTS) ultraviolet solar atlas is now available on the Web. Click here for more information. - Categories: center pictures software solar space ultraviolet

Solar-Terrestrial Physics Home Page (STP)
Solar-Terrestrial Physics Division of the National Geophysical Data Center home page. Includes several various STP disciplines within the Center: geomagnetism, Iononosphere, Solar and Upper Atmosphere, and two satellite programs: GOES and DMSP. DMSP is a two satellite constellation of near-polar orbiting, sun-synchronous satellites monitoring meteorological, oceanographic and solar-terrestrial physics environments. NGDC maintains an archive of all data recorded on DMSP satellites as relayed to NGDC by Air Force Global Weather Central. Data from March 1992 to March 1994, are considered to be experimental. After March 1994, the system should be fully operational. - Categories: center dept high_energy infrared optical particles radio solar space ultraviolet

Space Telescope - European Coordinating Facility (ST-ECF)
The ST-ECF was established in 1984 jointly by the European Space Agency and the European Southern Observatory and is located at the ESO headquarters at Garching near Munich. The ST-ECF supports the European astromical community in exploiting the research opportunities provided by the earth-orbiting Hubble Space Telescope. The ST-ECF provides detailed technical information about the HST and its science instruments, supports European astronomers in the preparation of HST observing proposals, coordinates the development of computer software tuned to the specific data analysis needs of HST users, operates and maintains an archive of all the scientific data collected by HST, and acts as a European centre for associated meetings and workshops. In all of these duties the ST-ECF staff maintains close contacts with the Space Telescope Science Institute (STScI) in Baltimore, which is charged with the scientific operation of the HST observatory.
HST Archive at CADC. - Categories: center infrared optical space ultraviolet

Space Telescope Science Institute (STScI)
STScI is responsible for the scientific operations of the Hubble Space Telescope (HST). STScI is operated by Associated Universities for Research in Astronomy (AURA) under contract to NASA. - Categories: dept center infrared library optical software space survey ultraviolet

Spitzer Space Telescope (ex-SIRTF)
The Spitzer Space Telescope, formerly known as Space InfraRed Telescope Facility (SIRTF) is the fourth and final element in NASA's family of "Great Observatories". It consists of a 0.85-meter telescope and three cryogenically-cooled science instruments capable of performing imaging and spectroscopy in the 3 - 180 micron wavelength range. Incorporating the latest in large-format infrared detector arrays, Spitzer offers orders-of-magnitude improvements in capability over existing programs. While Spitzer's mission lifetime requirement remains 2.5 years, recent programmatic and engineering developments have brought a 5-year cryogenic mission within reach. Spitzer represents an important scientific and technical bridge to NASA's new Origins program. - Categories: telescope center education infrared space

Standard Objects For Astronomy (SOFA)
Site with links to Standard Object Resources classified according to observing techniques and wavelength domains. Created by Patrice Corporon; now maintained by Shashikiran Ganesh and Anatoly Miroshnichenko. (Indian mirror; US mirror) - Categories: other_astronomy center high_energy infrared optical radio ultraviolet

Star*s Family
The Star*s Family is a growing collection of directories, dictionaries, databases and related products on astronomy, space sciences, as well as related fields, organizations and people. StarWorlds, StarBits, and StarHeads: are available on-line. - Categories: center

Statistical Consulting Center for Astronomy (SCCA)
The SCCA provides prompt high-quality statistical advice for the astronomical community. It is an interdisciplinary team of faculty at Penn State with contacts throughout the international statistical community. A wide range of issues arising in astronomical data analysis can be addressed. Questions and answers are made available on the WWW. - Categories: center comp_sci

Submillimeter Wave Astronomy Satellite Data Archive (SWAS)
Data Archive from the NASA Submillimeter Wave Astronomy Satellite, a pathfinding mission for studying the chemical composition of interstellar galactic clouds to help determine the process of star formation. Launched on December 5, 1998, it has made detailed 1 degree x 1 degree maps of many giant molecular and dark cloud cores during the first 4 years of the mission. SWAS makes new data public every six months, with the final release due in September, 2004.
CfA SWAS pages. - Categories: center infrared space

SuperCOSMOS Science Archive (SSA)
The SuperCOSMOS Science archive holds the object catalogue data extracted from scans of photographic Schmidt survey plates. - Categories: center infrared optical

Synthetic Spectra of B Main-Sequence Stars from 3000 - 10000 (Landessternwarte Heidelberg-Königstuhl)
This Web page provides a simple interactive tool for line identification in B stars along the main sequence. The calculation makes use of the atomic line list of Kurucz & Bell (1995). For one of six possible effective temperatures between 10000 and 35000 K and an arbitrary wavelength range between 3000 and 10000 Å a normalized synthetic spectrum is displayed on-line. The output consists of a gif image (~10 kB) or a gzipped postscript file (~30 kB). - Categories: center infrared optical ultraviolet

TOPbase at CDS : The Opacity Project (TOPbase)
TOPbase is a read-only database system specially designed for general use of the atomic data dervived by the Opacity Project. It contains energy levels, f-values and photoionization cross sections for astrophysically abundant elements. - Categories: misc center

The SCSU Archive of the MAPS Catalog of the POSS I (MAPS Catalog)
This online version of the Minnesota Automated Plate Scanner (MAPS) Catalog of the Palomar Observatory Sky Survey (Epoch I) [hereafter the MAPS Catalog] was constructed by Juan Cabanela, one of the authors of the original MAPS Catalog of the POSS I. The MAPS Catalog was originally distributed on four DVDs to several astronomical data centers. The goal of this project is to make the catalog available in an interactive format. This site should be viewed as a backup/alternate version of the website maintained by the Minnesota Automated Plate Scanner group at - Categories: center infrared optical

Traitement Elementaire Reduction et Analyse des PIXels de Megacam (TERAPIX)
Terapix is an astronomical data processing center dedicated to very large CCD images and massive data flow provided by the CFHT Megacam camera.
Terapix is located at Institut d'Astrophysique de Paris. - Categories: center infrared optical

U.S. Naval Observatory (USNO)
The U.S. Naval Observatory performs an essential scientific role for the United States, the Navy, and the Department of Defense. Its mission includes determining the positions and motions of the Earth, Sun, Moon, planets, stars and other celestial objects, providing astronomical data; determining precise time; measuring the Earth's rotation; and maintaining the Master Clock for the United States. - Categories: dept center

UK Astronomy Data Centre (ADC-CASU, formerly RGO Astronomy Data Centre)
The Data Centre is part of the Cambridge Astronomy Survey Unit and houses a good selection of data from the UK's ground based telescopes as well as a number of catalogues. - Categories: center infrared optical

UK Schmidt Telescope - Wide Field Astronomy Unit (UKST)
The initial task of the UKST was to construct a photographic survey of the entire southern sky. The telescope still takes some 700 plates a year - about half for current surveys and the remainder taken at the request of research astronomers around the world. To date the UKST has taken over 17,000 plates, the plates are stored in the Plate Library at the Royal Observatory, Edinburgh (ROE) and represent a huge source of data for the astronomical community. Some 300 active research programmes make use of UKST plate material. Many plates are copied in the ROE Photolabs and sold as Sky Atlases or Teaching Packages. In addition to its photographic role the UKST also has a multi-object fibre spectroscopy system known as FLAIR. - Categories: telescope center education other_library survey

USGS Flagstaff Space Mission Support
Browse the Solar System . Information about the Solar System and products created by the USGS. Current Activities, NASA Missions. Some of the NASA missions and other projects on which our scientists are currently working. Databases. Space mission databases maintained by USGS Flagstaff Field Center. - Categories: planetary center pictures

Viking Mission to Mars - Online Resources (PDS Imaging Node. JPL. NASA)
A list of high quality, web-based resources related to the Viking mission to Mars. Includes direct links to the PDS-archived data stored on CD-ROM, as well as to browsers to view and search the data. - Categories: center

INACTIVE LINK ? - 144 --- Virtual Sky (Federated Sky Surveys)
A portal to multiple representations of the night sky, including a high-resolution (1 second/pixel) optical survey of the Northern sky and the Uranometria engravings from 1603. - Categories: center infosys survey

VizieR Catalogue Service (CDS, Strasbourg)
VizieR provides access to the most complete library of published astronomical catalogues and data tables available on line, organized in a self-documented database.
Query tools allow the user to select relevant data tables and to extract and format records matching given criteria. Specific care has been taken for optimizing access to some very large catalogues such as Guide Star Catalog or USNO-A2. - Categories: center infosys

Washington Double Star Catalog (WDS)
The Washington Double Star Catalog (WDS) maintained by the USNO is the world's principal database of astrometric double and multiple star data. The WDS Catalog contains positions (J2000), discoverer designations, epochs, position angles, separations, magnitudes, spectral types, proper motions, and, when available, Durchmusterung numbers and Notes for the components. - Categories: center

Web to Database Interface (ESO)
WDB is an interface between the World Wide Web and relational databases. It has been developed at the ESO/ST-ECF Archive to provide an easy access to the archive databases. WDB has been designed to be easier to use for the casual user than STARCAT, even if it doesn't prove all the same functionality. - Categories: center

Westerbork Synthesis Radio Telescope observations archive (WSRT, ASTRON, Dwingeloo)
A query form lets you search the catalogue of all observations done with the WSRT since the beginning of its operations in 1970. Searches are possible by equatorial or galactic coordinates, by source name and some other parameters. Requests for data from the archive may be submitted after selection. - Categories: center radio

Wide Field Plate Database (WFPDB, Sofia)
The Wide-Field Plate Database (WFPDB) contains the descriptive information for the astronomical wide-field (> 1°) photographic observations stored in numerous archives all over the world. - Categories: center

World Data Center A for Rockets and Satellites (WDC-A, NSSDC)
The World Data Center system is an international confederation of data centers originally established in 1955 to support the exchange and archiving of data generated by the 1957-8 International Geophysical Year.
World Data Center-A for Rockets and Satellites is hosted by NASA's National Space Science Data Center. WDC-A R&S has responsibilities for spacecraft launch and other descriptive information capture and dissemination. WDC-A R&S serves as a conduit for requests from the international community for data from the NSSDC data archives. - Categories: center space

X-Ray Astronomy Data Center at the Max-Planck-Institute for Extraterrestrial Physics (MPE)
Research activities, data center services, and databases related to the X-ray satellite ROSAT at the Max-Planck-Institute for extraterrestrial Physics. - Categories: center high_energy

X-Ray WWW Server (Uppsala Univ.)
The Server makes available bibliographies and databases related to x-ray spectroscopic physics. In particular, the Henke database of atomic scattering factors can be downloaded. Also, this is the site for the Atomic and Molecular Core- Edge Excitation Database and Bibliography, compiled originally by A.P. Hitchcock, and prepared by Hitchcock and Mancini for electronic distribution (COREXDB). A simple bibliographic search mechanism has been implemented for the COREX bibliography. A visualization mechanism is currently being developed to allow Web Browsers to preview datafiles as in-line GIFs before choosing to download. - Categories: center high_energy

XMM-Newton Survey Science Centre (XMM SSC)
The XMM Survey Science Centre (SSC) has responsibilities within the XMM project in three main areas: - Categories: center high_energy space survey

XMM-Newton catalogue interface (XCAT-DB)
The Xcat-db is a public interface of the XMM-Newton serendipitous source satalogue constructed by the XMM-Newton Survey Science Centre ( SSC) on behalf of ESA.
The Xcat-db has been optimized to make complex queries including constraints on correlated data patterns.
A large number of products related to the catalogue entries can be browsed and downloaded. CDS databases can also be queried in relation with selected X-Ray data.
3 other XMM-Newton catalogue interfaces are also available ( XSA, LEDAS and VizieR). - Categories: center high_energy space

Zurich Solar Radio Spectrometer
The Radio Astronomy Group (RAG) of ETH in Zurich, Switzerland, recorded solar radio spectrograms with an analog spectrometer called Daedalus (1974-1993) in the range of 100-1000 MHz. Its observation list can be accessed directly. Two digital spectrometers, Ikarus (1978--1985) and PHOENIX (1988--1994), cover a range from 100--1000 MHz and 0.1--3 GHz, respectively. And since 1998 the new and improved Phoenix-2 Spectrometer covers a range from 0.1 -4 GHz. These data can be accessed by the ASPECTimage retrieval system. Their observation list contains references to frequency programs that indicate which frequencies were observed. More information can be obtained from RAG members. - Categories: center radio solar

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