SIMBAD references

1999MNRAS.309..969H - Mon. Not. R. Astron. Soc., 309, 969-990 (1999/November-2)

ROSAT X-ray observations of 3CRR radio sources.

HARDCASTLE M.J. and WORRALL D.M.

Abstract (from CDS):

Over half the 3CRR sample of radio galaxies and quasars has been observed in X-rays with ROSAT pointed observations, and we present results from these observations, discussing many of the sources in detail. The improved spatial resolution of ROSAT over earlier missions allows a better separation of the nuclear and extended components of the X-ray emission. We investigate the relationship between nuclear X-ray and core radio luminosity, and show that our results support a model in which every radio galaxy and quasar has a beamed nuclear soft X-ray component directly related to the radio core. We report evidence for rich cluster environments around several powerful quasars. These X-ray environments are comparable to those of high-redshift radio galaxies.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): galaxies: active - quasars: general - X-rays: galaxies

Simbad objects: 90

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