Dictionary of Nomenclature of Celestial Objects
(Last update: 19-Jul-2024)

Result of query: info cati 2MASS$

Details on Acronym:   2MASS
   2MASS (2Micron All-Sky Survey) ***** Avoid the usage of 2MASS, prefer [HJK2000] Originof the Acronym: A = Assigned by the author(s)
Details on Acronym:   2MASS
   2MASS (2Micron All-Sky Survey) Write:<<2MASS JHHMMSSss+DDMMSSsA>>
<<2MASS JHHMMSS.ss+DDMMSS.s>> (not recognised by Simbad, but found in literature) N: 470992970 Object:(IR)  (SIMBAD class: NearIR = Near-IR Source (λ < 3 µm)) Note:2MASS (2 Micron All-Sky Survey) is a survey of the complete sky in the near-infrared bands J (1.25mum), H (1.65mum), and Ks (2.17mum), achieved with two 1.32m telescopes located at Mt. Hopkins, AZ, and at CTIO, Chile.
In the format JHHMMSSss+DDMMSSsA, based on the position, the optional trailing letters are used to distinguish sources with otherwise duplicate names.
The final release (2MASS July 2003) supersedes the Intermediate Release (2MASSI, Spring 2000). The extended sources are designated by the acronym 2MASX.
See also 2MASp, 2MASSs, 2MASSw. Ref:=2003yCat.2246....0C byCUTRI R.M. , SKRUTSKIE M.F., VAN DYK S., BEICHMAN C.A., CARPENTER J.M., CHESTER T., CAMBRESY L., EVANS T., FOWLER J., GIZIS J., HOWARD E., HUCHRA J., JARRETT T., KOPAN E.L., KIRKPATRICK J.D., LIGHT R.M., MARSH K.A., McCALLON H., SCHNEIDER S., STIENING R., SYKES M., WEINBERG M., WHEATON W.A., WHEELOCK S., ZACARIAS N. CDS/ADC Collection of Electronic Catalogues, -1-None (2003) 2MASS All Sky Catalog of point sources. oNote the reference of very large catalogues is not attached to the objects in SIMBAD. o<2MASS JHHMMSSss+DDMMSSsA> N=470992970. =E=Catalogue in electronic form as II/246 Originof the Acronym: A = Assigned by the author(s)