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The Orbit of the High-Mass X-Ray Binary Pulsar 1E1145.1-6141
P. S. Ray, D. Chakrabarty
Observations of the 297 s X-ray pulsar 1E1145.1-6141 with the Rossi X-Ray Timing Explorer have revealed its 14.4 d eccentric orbit around its B supergiant companion. The best-fit o…
Rotational Broadening Measurement for the Neutron Star X-Ray Transient XTE J2123-058
John A. Tomsick, William A. Heindl, Deepto Chakrabarty +1
We used optical spectroscopy of the neutron star X-ray transient XTE J2123-058 to measure the rotational broadening of the binary companion's stellar absorption lines and determine…
X-ray Spectroscopy of the Accreting Millisecond Pulsar XTE J0929-314 in Outburst
Adrienne M. Juett, Duncan K. Galloway, Deepto Chakrabarty
We present the high-resolution spectrum of the accretion-powered millisecond pulsar XTE J0929-314 during its 2002 outburst, measured using the Low Energy Transmission Grating Spect…
Eddington-limited X-ray Bursts as Distance Indicators. I. Systematic Trends and Spherical Symmetry in Bursts from 4U 1728-34
Duncan K. Galloway, Dimitrios Psaltis, Deepto Chakrabarty +1
We investigate the limitations of thermonuclear X-ray bursts as a distance indicator for the weakly-magnetized accreting neutron star 4U 1728-34. We measured the unabsorbed peak fl…
XMM-Newton Spectroscopy of the Accretion-Driven Millisecond X-ray Pulsar XTE J1751-305 in Outburst
J. M. Miller, R. Wijnands, M. Mendez +6
We present an analysis of the first high-resolution spectra measured from an accretion-driven millisecond X-ray pulsar in outburst. We observed XTE J1751-305 with XMM-Newton on 200…
The Likely Near-Infrared Counterpart to the Anomalous X-Ray Pulsar 1E 1048.1-5937
Zhongxiang Wang, Deepto Chakrabarty
We report our discovery of the likely near-infrared counterpart to the anomalous X-ray pulsar (AXP) 1E1048.1-5937, using observations from the 6.5-m Baade (Magellan-I) telescope in…