69 citations · 125 across the 2 of their papers we have counts for
2 papers
astro-ph2006★ 56 cited
Optical Counterparts of Ultra-Luminous X-ray Sources identified from Archival Hubble Space Telescope/WFPC2
A. Ptak, E. Colbert, R. Van der Marel +3
We present a systematic analysis of archival HST WFPC2 ``Association'' data sets that correlate with the Chandra positions of a set of 44 ultra-luminous X-ray sources (ULXs) of nea…
astro-ph2000★ 69 cited
Identifying Old Tidal Dwarf Irregulars
Deidre A. Hunter, Sally D. Hunsberger, Erin W. Roye
We examine the observational consequences of the two possible origins for irregular galaxies: formation from collapse of a primordial cloud of gas early in the age of the Universe,…