Dictionary of Nomenclature of Celestial Objects
(Last update: 22-Mar-2024)

Result of query: info cati BTK98]$

Details on Acronym:   [BTK98]
  
[BTK98] (Bershady+Trevese+Kron, 1998)= (N2540)
Write:<<[BTK98] NNNN>>
N: 16
Object:Poss. QSO  (SIMBAD class: QSO_Candidate = Quasar Candidate)
Note:Table 3: N=16 objects from the 'N2540' Rome catalog (designation used by the authors) See also T89 and [MKK97]
in source:SA 57-
Ref:=1998ApJ...496..103B
byBERSHADY M.A. , TREVESE D., KRON R.G.
 Astrophys. J., 496, 103-116 (1998)
  Variable extended objects in selected area 57.
oTable 3: NSer = [MKK97]
oTable 3: <[BTK98] NNNN> N=16 among 2540
Originof the Acronym: S = Created by Simbad, the CDS Database

Details on Acronym:   N2540
  
N2540 (N=2540)
***** Avoid the usage of N2540, prefer [BTK98]
Originof the Acronym: A = Assigned by the author(s)