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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…
The X-ray Flux Distribution of Sagittarius A* as Seen by Chandra
J. Neilsen, S. Markoff, M. A. Nowak +11
We present a statistical analysis of the X-ray flux distribution of Sgr A* from the Chandra X-ray Observatory's 3 Ms Sgr A* X-ray Visionary Project (XVP) in 2012. Our analysis indi…
High-Resolution X-Ray Spectroscopy of the Bursting Pulsar GRO J1744-28
N. Degenaar, J. M. Miller, F. A. Harrison +3
The bursting pulsar GRO J1744-28 is a Galactic low-mass X-ray binary that distinguishes itself by displaying type-II X-ray bursts: brief, bright flashes of X-ray emission that like…
On the Fe K absorption - accretion state connection in the Galactic center neutron star X-ray binary AX J1745.6-2901
G. Ponti, S. Bianchi, T. Munoz-Darias +17
AX J1745.6-2901 is a high-inclination (eclipsing) neutron star Low Mass X-ray Binary (LMXB) located less than ~1.5 arcmin from Sgr A*. Ongoing monitoring campaigns have targeted Sg…
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…
Gravitational waves from rapidly rotating neutron stars
Brynmor Haskell, Nils Andersson, Caroline D`Angelo +8
Rapidly rotating neutron stars in Low Mass X-ray Binaries have been proposed as an interesting source of gravitational waves. In this chapter we present estimates of the gravitatio…