Dictionary of Nomenclature of Celestial Objects
(Last update: 02-Nov-2023)

Result of query: info cati NBGG$

Details on Acronym:   NBGG
  
NBGG   (Nearby Group of G)= (T) 
 Write:<<NBGG  xx+yy +zz>>  

        <<NBGG  xx+yy>>
 N:  336
Object:Group of G  (SIMBAD class: GroupG = Group of Galaxies)
  Note:Group of galaxies from the NBG catalog.
    format:    a galaxy is assigned to structure identified by 3 two digits numbers:    The galaxy is in the xx cloud or spur, the -yy group or +yy first-level    assoc., and the +zz second-level assoc.    xx : first digit from 7 general regions. Second digit = 0 for a galaxy    in a region which cannot be associated with any cloud
    yy : If the galaxy is not in a group or association yy = 0
    zz : If zz not given, then zz is assumed to be the same as |yy|    See also NBG: NBG galaxies are members of 36 clouds,    254 associations and 336 groups of two or more members.
 Auth.:TULLY R.B.+
 Auth.:TULLY R.B.
   Ref:=1987ApJ...321..280T
     byTULLY R.B.

 Astrophys. J., 321, 280-304 (1987)

    Nearby groups of galaxies. II. An all-sky survey within 3000
    kilometers per second.
oTable 2: <NBGG xx+yy +zz> N=340
=E=Catalogue in electronic form as VII/145
 Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   T
  
T      (Tully)
  ***** Avoid the usage of T,  prefer NBGG
 Originof the Acronym: L = Found in the literature