124 citations · 857 across the 30 of their papers we have counts for
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astro-ph.HE2012★ 21 cited
A variable ultraluminous X-ray source in a globular cluster in NGC 4649
T. P. Roberts, G. Fabbiano, B. Luo +9
We report the discovery of a new ultraluminous X-ray source (ULX) associated with a globular cluster in the elliptical galaxy NGC 4649. The X-ray source was initially detected with…
astro-ph.HE2012★ 37 cited
The nature of the bright ULX X-2 in NGC3921: a Chandra position and HST candidate counterpart
P. G. Jonker, M. Heida, M. A. P. Torres +6
We report on Chandra observations of the bright ultra-luminous X-ray (ULX) source in NGC3921. Previous XMM observations reported in the literature show the presence of a bright ULX…