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X-ray absorption by ionized oxygen in ASCA spectra of the infrared quasar IRAS 13349+2438
W. N. Brandt, S. Mathur, C. S. Reynolds +1
We present evidence for X-ray absorption by ionized oxygen in ASCA spectra of the prototype infrared quasar IRAS 13349+2438. This powerful (2E46 erg/s) quasar was studied in detail…
Obscuration in the Host Galaxies of Soft X-ray Selected Seyferts
Robert Simcoe, K. K. McLeod, Jonathan Schachter +1
We define a new sample of 96 low-redshift (z<0.1), soft X-ray selected Seyferts from the catalog of the Einstein Slew Survey (Elvis etal. 1992, Plummer et al. 1994). We probe the g…
Deriving the Quasar Luminosity Function from Accretion Disk Instabilities
Aneta Siemiginowska, Martin Elvis
We have derived the quasar luminosity function assuming that the quasar activity is driven by a thermal-viscous unstable accretion disk around a supermassive black hole. The instab…