X-rays from Sources 3C 273 and M 87

Details X-rays from Sources 3C 273 and M 87 X-rays from Sources 3C 273 and M 87

Oct 1967

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1967sci...158..257f&link_type=abstract

Science, Volume 158, Issue 3798, pp. 257-259

Mathematics

Logic

42

Scientific paper

An x-ray survey of the Virgo region revealed signals from the directions of 3C 273 and M 87. Three other x-ray sources appear in the region scanned, but do not fit any known radio sources. The x-ray flux (1 to 10 angstroms) from the direction of 3C 273 is about 1000 times weaker than from the strongest x-ray source, Sco XR-1. If the source is located at the cosmological distance of 500 megaparsecs, the x-ray luminosity is 7.3 × 1045 ergs per second. The x-ray luminosity of M87 is 1.5 × 1043 ergs per second.

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