Detection of X-ray emission from 3C 120

Details Detection of X-ray emission from 3C 120 Detection of X-ray emission from 3C 120

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...215l...7s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 215, July 1, 1977, p. L7-L11. Research supported by the Massachusett

Astronomy and Astrophysics

Astrophysics

40

Extragalactic Radio Sources, Galactic Nuclei, Seyfert Galaxies, X Ray Sources, Collimators, Compton Effect, Sas-3, Satellite-Borne Instruments

Scientific paper

X-rays from a region containing the nucleus of the type 1 Seyfert galaxy 3C 120 have been detected using the rotating modulation collimator on board the SAS-3 X-ray observatory. The error circle has a 95% error radius of 1.0 arcmin. The measured X-ray (2-10 keV) flux is 5.4 by 10 to the -11th power erg/s per sq cm. The corresponding luminosity is 2.3 by 10 to the 44th power erg/s for the source at 200 Mpc. Synchrotron-Compton and hot plasma models are discussed.

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