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astro-ph2002★ 53 cited
The optical counterpart of the ultra-luminous x-ray source NGC 5204 X-1
M. R. Goad, T. P. Roberts, C. Knigge +1
We use archival HST/WFPC2 V and I band images to show that the optical counterpart to the ultra-luminous x-ray source NGC 5204 X-1, reported by Roberts et al., is composed of two s…
astro-ph2002
The nature of ultraluminous X-ray sources in nearby galaxies
T. P. Roberts, M. R. Goad, M. J. Ward +2
The advanced capabilities of the Chandra and XMM-Newton observatories mean that, for the first time, the detailed study of the brightest point-like X-ray sources in nearby galaxies…