X-ray emission from the cluster around E1821+643

Details X-ray emission from the cluster around E1821+643 X-ray emission from the cluster around E1821+643

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.289..196s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 289, Issue 1, pp. 196-202.

Astronomy and Astrophysics

Astronomy

11

Galaxies: Clusters: General, Quasars: Individual: E1821+643, X-Rays: Galaxies

Scientific paper

We report the first unambiguous detection of X-ray emission from the cluster of galaxies surrounding the radio-quiet QSO E1821+643. ROSAT PSPC observations show that the cluster is highly luminous, L_x~10^45 erg s^-1, as would be expected from the high Abell richness class (>=2) seen in optical studies. The cluster is expected to contribute an iron line of apparent equivalent width 20-142 eV to the integrated spectrum.

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