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XMM-Newton observations of the black hole X-ray transient XTE J1650-500 in quiescence
Jeroen Homan, Rudy Wijnands, Albert Kong +4
We report the result of an XMM-Newton observation of the black-hole X-ray transient XTE J1650-500 in quiescence. The source was not detected and we set upper limits on the 0.5-10 k…
A Potential Supernova Remnant/X-ray Binary Association in M31
Benjamin F. Williams, Robin Barnard, Michael R. Garcia +3
The well-studied X-ray/Optical/Radio supernova remnant DDB 1-15 (CXOM31 J004327.8+411829; r3-63) in M31 has been investigated with archival XMM-Newton and Chandra observations. The…
An X-ray Transient and Optical Counterpart in the M31 Bulge
Benjamin F. Williams, Michael R. Garcia, Jeffrey E. McClintock +3
We have obtained snapshot images of a transient X-ray source in M31 from Chandra ACIS-I and the Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS). The Chandra position…
Multiwavelength Observations and State Transitions of an Ultra-luminous Supersoft X-ray Source: Evidence for an Intermediate-Mass Black Hole
A. K. H. Kong, M. P. Rupen, L. O. Sjouwerman +1
We report the results of Chandra and XMM-Newton observations of an ultra-luminous supersoft X-ray source in M101. M101 ULX-1 underwent 2 outbursts in 2004 during which the peak bol…