Dictionary of Nomenclature of Celestial Objects

G J2021+3716. N=19 X-ray sources (Nos 1-19). N=7 radio-sources 'JHHMMSS.ss+DDMMSS.s'.
Ref:=2000ApJ...542..740M
byMUKHERJEE R. , GOTTHELF E.V., HALPERN J., TAVANI M.
 Astrophys. J., 542, 740-749 (2000)
  Multiwavelength examination of the COS B field 2CG 075+00 yields a blazar identification for 3EG J2016+3657.
oTable 1: <[MGH2000] NN> (Nos 1-14). Table 2: <[MGH2000] JHHMMSS.ss+DDMMSS.s> N=7.
Ref:=2001ApJ...551.1016H
byHALPERN J.P. , ERACLEOUS M., MUKHERJEE R., GOTTHELF E.V.
 Astrophys. J., 551, 1016-1023 (2001)
  3EG J2016+3657: confirming an EGRET blazar behind the galactic plane.
o(Erratum) erratum vol. 572, p. 693 (2002)
oTable 1: <[MGH2000] NN> (Nos 15-19) added.

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