Dictionary of Nomenclature of Celestial Objects
(Last update: 24-Apr-2024)

Result of query: info cati T89$

Details on Acronym:   N694
  
N694 (N=694 obj.)
***** Avoid the usage of N694, prefer T89
Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   T89
  
T89 (Trevese, 1989)= (N694)
Write:<<T89 NNN>>
N: 694
Object:QSO  (SIMBAD class: QSO = Quasar)
Note:1st ref.: Description of the 'N694' list p. 111
2nd ref.: N=64 among the 694 objects of the list. See also [MKK97] and [BTK98]
in source:SA 57-
Ref:=1989AJ.....98..108T
byTREVESE D. , PITTELLA G., KRON R.G., KOO D.C., BERSHADY M.
 Astron. J., 98, 108-117 (1989)
  A survey for faint variable objects in SA 57.
o<Tables IIa, c: [TPK89] NN> N=50. Text. p. 111: <T89 NNN> N=694 unpublished list
Ref:=1994ApJ...433..494T
byTREVESE D. , KRON R.G., MAJEWSKI S.R., BERSHADY M.A., BERSHADY M.A., KOO D.C.
 Astrophys. J., 433, 494-509 (1994)
  The ensemble variability properties of faint QSOs.
oTable 2: <T89 NNN> N=64 among 694, N694 = T89
Originof the Acronym: A = Assigned by the author(s)