Dictionary of Nomenclature of Celestial Objects (Last update: 23-Oct-2020)
Result of query: info cati HB91]$
Details on Acronym: [HB91] [HB91] (Hewitt+Burbidge, 1991)= ([HB91a])
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 Superseded by [HB93]Ref:=1991ApJS...75..297H
, 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