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

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    Superseded by [HB93]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