Dictionary of Nomenclature of Celestial Objects (Last update: 16-Aug-2018)
Result of query: info cati A81]$
Details on Acronym: [A81] [A81] (Arp, 1981)= ([A81a])
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.
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