395 citations · 8.1k across the 171 of their papers we have counts for
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astro-ph2003★ 91 cited
The Lack of Very Ultraluminous X-ray Sources in Early-type Galaxies
Jimmy A. Irwin, Joel N. Bregman, Alex E. Athey
We have searched for ultraluminous X-ray sources (ULXs) in a sample of 28 elliptical and S0 galaxies observed with Chandra. We find that the number of X-ray sources detected at a f…
astro-ph2003★ 7 cited
Small-Scale structure in the Galactic ISM: Implications for Galaxy Cluster Studies
Joel N. Bregman, Megan C. Novicki, Jessica E. Krick +1
Observations of extragalactic objects need to be corrected for Galactic absorption and this is often accomplished by using the measured 21 cm HI column. However, within the beam of…