463 citations · 3.5k across the 67 of their papers we have counts for
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Chandra and XMM Observations of Type II Quasars from the SDSS
A. Ptak, N. Zakamska, M. Strauss +4
We are carrying out sensitive X-ray observations with Chandra and XMM of type II quasars selected from the Sloan Digital Sky Survey based on their optical emission line properties.…
The Antennae Ultraluminous X-Ray Source, X-37, Is A Background Quasar
D. M. Clark, M. H. Christopher, S. S. Eikenberry +8
In this paper we report that a bright, X-ray source in the Antennae galaxies (NGC 4038/9), previously identified as an ultra-luminous X-ray source, is in fact a background quasar.…
A Chandra X-ray Investigation of the Violent Interstellar Medium: From Dwarf Starbursts to Ultraluminous Infrared Galaxies
J. P. Grimes, T. Heckman, D. Strickland +1
We have analyzed observations with the Chandra X-ray Observatory of the diffuse emission by hot gas in 7 dwarf starburst galaxies, 6 edge-on starburst galaxies, and 9 Ultra Luminou…