Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Oct-2021)

Result of query: info cati 2MASXI$

    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. R. bySKRUTSKIE M. Astron. J., 125, 2521-2530 (2003) A deep 2MASS survey of the Lockman Hole. oTable 6: <2MASS6xp JHHMMSSss+DDMMSSs> N=69115. =E=Catalogue in electronic form as J/AJ/125/2521
Details on Acronym:   2MASSCL
   2MASSCL (Two Micron All Sky Survey catalog of CLusters) Write:<<2MASSCL JHHMM+DDMM>> N: 163 Object:Cluster of G  (SIMBAD class: ClG = Cluster of Galaxies) Note:Catalog of the richest, nearby (z<0.12) clusters in the Two Micron All Sky Survey (2MASS) catalog of clusters identified using a matched filter algorithm. Ref:=2014ApJ...795L..21G byGRIFFIN R.D. , DAI X., KOCHANEK C.S. Astrophys. J., 795L, 21 (2014) New limits on γ-ray emission from galaxy clusters. oTable 1: <2MASSCL

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