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Search for the Optical Counterparts of Southern Anomalous X-Ray Pulsars and Radio-Quiet Neutron Stars in Young Supernova Remnants
Zhongxiang Wang, Deepto Chakrabarty
We report on our search for the optical counterparts of the Southern Hemisphere anomalous X-ray pulsar 1E1048.1-5937 and the radio-quiet neutron stars in supernova remnants Puppis…
15 Years Going Steady - Timing the Magnetar 1E 1841-045
E. V. Gotthelf, F. P. Gavriil, V. M. Kaspi +2
We report on a long-term monitoring campaign of 1E 1841-045, the 12-s anomalous X-ray pulsar and magnetar candidate at the center of the supernova remnant Kes 73. We have obtained…
Long-Term Monitoring of Anomalous X-ray Pulsars
Fotis P. Gavriil, Victoria M. Kaspi, Deepto Chakrabarty
We report on long-term monitoring of anomalous X-ray pulsars (AXPs) using the Rossi X-ray Timing Explorer. Using phase-coherent timing, we find a wide variety of behaviors among th…
How Do Z and Atoll X-ray Binaries Differ?
Michael P. Muno, Ronald A. Remillard, Deepto Chakrabarty
Low-mass X-ray binaries containing weakly magnetized neutron stars may be divided into two classes, Z and atoll sources, based in large part upon the patterns which they trace in p…
The burst behavior of the eclipsing low-mass X-ray binary MXB 1659-298
R. Wijnands, M. P. Muno, J. M. Miller +4
We present a detailed study of the correlations between the burst properties and the inferred mass accretion rate for the X-ray transient MXB 1659-298. The bursts which exhibited o…
Double-Peaked X-Ray Lines from the Oxygen/Neon-Rich Accretion Disk in 4U1626-67
Norbert S. Schulz, Deepto Chakrabarty, Herman L. Marshall +3
We report on a 39 ks observation of the 7.7-s low-mass X-ray binary pulsar 4U1626-67 with the High Energy Transmission Grating Spectrometer (HETGS) on the Chandra X-Ray Observatory…