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The nature of very faint X-ray binaries; hints from light curves
C. O. Heinke, A. Bahramian, N. Degenaar +1
Very faint X-ray binaries (VFXBs), defined as having peak luminosities Lx of 10^34-10^36 erg/s, have been uncovered in significant numbers, but remain poorly understood. We analyse…
Low-level accretion in neutron-star X-ray binaries
R. Wijnands, N. Degenaar, M. Armas Padilla +5
We search the literature for reports on the spectral properties of neutron-star low-mass X-ray binaries when they have accretion luminosities between 1E34 and 1E36 ergs/s. We found…
The 2013 outburst of a transient very faint X-ray binary, 23" from Sgr A*
E. W. Koch, A. Bahramian, C. O. Heinke +12
We report observations using the Swift/XRT, NuSTAR, and Chandra X-ray telescopes of the transient X-ray source CXOGC J174540.0-290005, during its 2013 outburst. Due to its location…
Revealing a new symbiotic X-ray binary with Gemini NIFS
Arash Bahramian, Jeanette C. Gladstone, Craig O. Heinke +3
We use K-band spectroscopy of the counterpart to the rapidly variable X-ray transient XMMU J174445.5-295044 to identify it as a new symbiotic X-ray binary. XMMU J174445.5-295044 ha…