Dictionary of Nomenclature of Celestial Objects
(Last update: 17-Mar-2023)

Result of query: info cati HB93]$

Details on Acronym:   BL
  
BL     (BL Lac Obj.)
  ***** Avoid the usage of BL,  prefer [HB93]

Details on Acronym:   [HB89]
  
[HB89] (Hewitt+Burbidge, 1989)
  Note:Superseded by [HB93]
  ***** Avoid the usage of [HB89],  prefer [HB93]
 Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   [HB93]
  
[HB93] (Hewitt+Burbidge, 1993)= (BL) = [HB89] 
 Write:<<[HB93]  HHMM+DDdA>>
 N:  7315
Object:QSO  (SIMBAD class: QSO = Quasar)
  Note:The authors used a format 'HHMM+DDd', but there are ambiguous cases    such as 0002-008 so we have to use the format 'HHMM+DDdA',    0002-008A and 0002-008B for example.    Supersedes [HB91]
   Ref:=1993ApJS...87..451H
     byHEWITT A.
, BURBIDGE G.
 Astrophys. J., Suppl. Ser., 87, 451-None (1993)

    A revised and updated catalog of quasi-stellar objects.

oTable 1: <[HB93] HHMM+DDdA> N=7315
=E=Catalogue in electronic form as VII/158
 Originof the Acronym: S = Created by Simbad, the CDS Database