Dictionary of Nomenclature of Celestial Objects

 ivity Survey in the Northern sky:    Search for optical identification of 87 hard 1AXG    X-ray sources.
   Ref:=2003ApJS..148..275A
     byAKIYAMA M.
, UEDA Y., OHTA K., TAKAHASHI T., YAMADA T.
 Astrophys. J., Suppl. Ser., 148, 275-315 (2003)

    Optical identification of the ASCA medium sensitivity survey in the
    northern sky: nature of hard X-Ray-Selected luminous active galactic    nuclei.
oTable 1, col(2): Identification number AANN (AA = NO, NE, SE)    represents the number of a source in three source lists used during    the optical identification observations, not used in SIMBAD.
oTable 1: <[AUO2003] JHHMMSS.ss+DDMMSS.s> N=132.
=E=Catalogue in electronic form as J/ApJS/148/275

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