Dictionary of Nomenclature of Celestial Objects
(Last update: 11-Mar-2024)

Result of query: info cati HB91]$

Details on Acronym:   [HB91]
  
[HB91] (Hewitt+Burbidge, 1991)= ([HB91a])
Write:<<[HB91] HHMM+DDdA>>
N: 935
Object:AGN  (SIMBAD class: AGN = Active Galaxy Nucleus)
Note:The authors used a format 'HHMM+DDd', but there are ambigus cases such as 2359-899 so we have to use the format 'HHMM+DDdA', 2359-899A to 2359-899D for example. Superseded by [HB93]
Ref:=1991ApJS...75..297H
byHEWITT A. , BURBIDGE G.
 Astrophys. J., Suppl. Ser., 75, 297-356 (1991)
  An optical catalog of extragalactic emission-line objects similar to quasi-stellar objects.
oCatalogue: <[HB91] HHMM+DDdA> N=935.
Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   [HB91a]
  
[HB91a] (Hewitt+Burbidge, 1991)
***** Avoid the usage of [HB91a], prefer [HB91]
Originof the Acronym: S = Created by Simbad, the CDS Database