SIMBAD references

1998AJ....115.1230S - Astron. J., 115, 1230-1233 (1998/April-0)

Discovery of an X-ray-selected quasar with a redshift of 4.45.

SCHNEIDER D.P., SCHMIDT M., HASINGER G., LEHMANN I., GUNN J.E., GIACCONI R., TRUMPER J. and ZAMORANI G.

Abstract (from CDS):

We present observations of RX J105225.9+571905, a z = 4.45 quasar discovered during a very deep ROSAT survey of the Lockman Hole. In addition to being the most distant known X-ray-selected quasar, RX J105225.9+571905 is among the least optically luminous quasars found to date at redshifts above 4.

Abstract Copyright:

Journal keyword(s): Galaxies: Quasars: Individual: Alphanumeric: RX J105225.9+571905 - X-Rays

CDS comments: Page 1253 : the z=4.32 quasar is RX J1759.4+6638.

Simbad objects: 4

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