Dictionary of Nomenclature of Celestial Objects
(Last update: 26-Sep-2023)

Result of query: info cati A81]$

Details on Acronym:   [A81]
  
[A81]  (Arp, 1981)= ([A81a]) 
 Write:<<[A81]  HHMMSS+DDMMAAA>>
 N:  99
Object:G + Part of G  (SIMBAD class: Galaxy)
  Note:Table 1: N=72 galaxies, format 'HHMMSS+DDMM'    and N=38 components of these galaxies, format    'HHMMSS+DDMMAAA' where the letters are often directions.
   Ref:=1981ApJS...46...75A
     byARP H.

 Astrophys. J., Suppl. Ser., 46, 75-112 (1981)

    Spectroscopic measures of galaxies, their companions, and peculiar
    galaxies in the Southern Hemisphere.
oIn table 1, 1950 positions are measured positions, not those of the AM    catalogue.
oTable 1: <[A81] HHMMSS+DDMMAA> N=99
 Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   [A81a]
  
[A81a] (Arp, 1981)
  ***** Avoid the usage of [A81a],  prefer [A81]
 Originof the Acronym: S = Created by Simbad, the CDS Database