Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242p..20p&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Jan. 1, 1990, p. 20P-23P.
Astronomy and Astrophysics
Astronomy
15
Astronomical Spectroscopy, Radio Galaxies, X Ray Spectra, Abundance, Bremsstrahlung, Emission Spectra, Metallicity, Spectral Line Width, Spectrum Analysis
Scientific paper
The first X-ray spectrum of the giant radio galaxy 3C445 is reported. The spectrum is well fitted by a power law of slope close to the 'canonical' value for emission-line galaxies. This suggests that the X-ray emission of 3C445 is dominated by its Seyfert nucleus and is not directly related to the radio flux, a conclusion supported by the large low-energy absorption evident from the X-ray spectrum. The implied intrinsic absorbing column of about 1.7 x 10 to the 23rd/sq cm is the largest ever seen for such a high-luminosity source as 3C445.
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