2 papers
astro-ph.CO2011
On the X-ray Baldwin Effect in Active Galactic Nuclei Observed by the Chandra High Energy Grating
Xinwen Shu, Junxian Wang, Tahir Yaqoob +2
Using Chandra High Energy Grating (HEG) observations of 32 AGNs, we present a systematic study of the X-ray Baldwin effect (XBE, i.e. the anti-correlation between narrow Fe Kα line…
astro-ph2000
The X-Ray Absorber in Broad Absorption Line Quasars
T. G. Wang, W. Brinkmann, W. Yuan +2
Recent observations of Broad Absorption Line (BAL) quasars demonstrated that the soft X-ray emission of these objects is extremely weak and convincing evidence for very strong abso…