71 citations · 465 across the 28 of their papers we have counts for
28 papers
On the Spin of the Black Hole in IC 10 X-1
James F. Steiner, Dominic J. Walton, Javier A. Garcia +5
The compact X-ray source in the eclipsing X-ray binary IC 10 X-1 has reigned for years as ostensibly the most massive stellar-mass black hole, with a mass estimated to be about twi…
Chandra, XMM-Newton and HST observations of a transient in M31 with a possible asymmetric, precessing disk
R. Barnard, M. R. Garcia, S. S. Murray
The transient X-ray source CXOM31 004205.77+411330.43 exhibited several outbursts during our long-term monitoring campaign of ~monthly observations of the M31 center with Chandra.…
XMM-Newton and Chandra observations of the M31 globular cluster black hole candidate XB135: a heavyweight contender cut down to size
R. Barnard, F. Primini, M. R. Garcia +2
CXOM31 J004252.030+413107.87 is one of the brightest X-ray sources within the D_25 region of M31, and associated with a globular cluster (GC) known as B135; we therefore call this…
Swift reveals a ~5.7 day super-orbital period in the M31 globular cluster X-ray binary XB158
R. Barnard, M. R. Garcia, S. S. Murrray
The M31 globular cluster X-ray binary XB158 (a.k.a. Bo 158) exhibits intensity dips on a 2.78 hr period in some observations, but not others. The short period suggests a low mass r…
Energy-dependent evolution in IC10 X-1: hard evidence for an extended corona, and implications
R. Barnard, J. F. Steiner, A. F. Prestwich +3
We have analyzed a ~130 ks XMM-Newton observation of the dynamically confirmed black hole + Wolf-Rayet (BH+WR) X-ray binary (XB) IC10 X-1, covering ~1 orbital cycle. This system ex…
50 M31 black hole candidates identified by Chandra and XMM-Newton
R. Barnard, M. R. Garcia, F. Primini +1
Over the last ~5 years we have identified ~35 black hole candidates (BHCs) in M31 from their X-ray spectra. Our BHCs exhibited 0.3--10 keV spectra consistent with the X-ray binary…