Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Apr-2024)

Result of query: info cati dr5NGr$

Details on Acronym:   dr5NGr
  
dr5NGr (SDSS DR5, North, Group)
Write:<<dr5NGr NNNNN>>
N: 33219
Object:Group of G  (SIMBAD class: GroupG = Group of Galaxies)
Note:Search for groups of galaxies in the Equatorial and Northern part of the SDSS DR5 survey (dr5EGr and dr5NGr catalogues). See also dr5NGal catalogue of galaxies in Northern groups.
Ref:=2008A&A...479..927T
byTAGO E. , EINASTO J., SAAR E., TEMPEL E., EINASTO M., VENNIK J., MUELLER V.
 Astron. Astrophys., 479, 927-937 (2008)
  Groups of galaxies in the SDSS Data Release 5. A group-finder and a catalogue.
oTable 3a: <dr5EGr NNNNN> (Nos 1-17143). Table 3b: <dr5NGr NNNNN> (Nos 1-33219). Table 3c: <dr5EGal NNNNN NNN> N=129985. Table 3d: <dr5NGal NNNNN NNN> N=257078.
=E=Catalogue in electronic form as J/A+A/479/927
Originof the Acronym: A = Assigned by the author(s)