X-ray Spectra of Powerful Narrow-Line Radio Galaxies

Details X-ray Spectra of Powerful Narrow-Line Radio Galaxies X-ray Spectra of Powerful Narrow-Line Radio Galaxies

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...190.3902r&link_type=abstract

American Astronomical Society, 190th AAS Meeting, #39.02; Bulletin of the American Astronomical Society, Vol. 29, p.829

Astronomy and Astrophysics

Astronomy

Scientific paper

Apart from the nearest example Cygnus A, to date there have been only limited spectral studies in X-rays of Faranoff--Riley class ii narrow--line radio galaxies (NLRGs). We present Asca observations of the NLRGs 3C219, 3C234, and 3C321. Despite their faintness in the Einstein energy range, unlike Cygnus A these objects are not known to reside in X-ray luminous clusters, nor are they placed at low Galactic latitude. Therefore we can expect to measure the 0.5---7keV continuum and set limits on Fe K lines originating from the AGN. 3C234 and 3C321 have been shown to possess optically hidden broad--line regions visible in scattered (polarized) light, while 3C219 is a classical NLRG. We shall relate our X-ray data to the spectral properties of these objects at longer wavelengths. We shall explore the relationship powerful NLRGs to radio--loud quasars in terms of the unified scheme.

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