The X-ray spectrum and variability of active galaxies

Details The X-ray spectrum and variability of active galaxies The X-ray spectrum and variability of active galaxies

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979rspsa.366..435s&link_type=abstract

(Royal Society, Discussion on Some Recent Results in X-Ray Astronomy, London, England, Apr. 25, 26, 1978.) Royal Society (London

Astronomy and Astrophysics

Astronomy

6

Active Galaxies, Ariel 5 Satellite, Galactic Radiation, Seyfert Galaxies, X Ray Sources, X Ray Spectra, Flux Density, Galactic Structure, Graphs (Charts), X Ray Astronomy

Scientific paper

Spectra have been obtained with the use of the M.S.S.L. proportional counter system, experiment C on board Ariel 5, for 13 X-ray sources for which identifications as active galaxies seem to be reasonably sound. The data for 12 of these sources are presented here. Spectra have been obtained at different epochs for the sources NGC 5128 and NGC 4151. These data indicate that for both of these sources not only intensity variability has been observed, but also changes in the line of sight hydrogen column density.

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