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The discovery outburst of the X-ray transient IGR J17497-2821 observed with RXTE and ATCA
Jerome Rodriguez, Marion Cadolle Bel, John A. Tomsick +4
We report the results of a series of RXTE and ATCA observations of the recently-discovered X-ray transient IGR J17497-2821. Our 3-200 keV PCA+HEXTE spectral analysis shows very lit…
Evidence for 1122 Hz X-Ray Burst Oscillations from the Neutron-Star X-Ray Transient XTE J1739-285
P. Kaaret, Z. Prieskorn, J. J. M. in 't Zand +6
We report on millisecond variability from the X-ray transient XTE J1739-285. We detected six X-ray type I bursts and found evidence for oscillations at 1122 +/- 0.3 Hz in the brigh…
Geometrical Distance Determination using Type I X-ray Bursts
Thomas W. J. Thompson, Richard E. Rothschild, John A. Tomsick
With the excellent angular resolution of the Chandra X-ray Observatory, it is possible to geometrically determine the distance to variable Galactic sources, based on the phenomenon…
Orbital Parameters for the X-ray Pulsar IGR J16393-4643
T. W. J. Thompson, J. A. Tomsick, R. E. Rothschild +2
With recent and archival Rossi X-Ray Timing Explorer (RXTE) X-ray measurements of the heavily obscured X-ray pulsar IGR J16393-4643, we carried out a pulse timing analysis to deter…
Spitzer Reveals Infrared Optically-Thin Synchrotron Emission from the Compact Jet of the Neutron Star X-Ray Binary 4U 0614+091
S. Migliari, J. A. Tomsick, T. J. Maccarone +4
Spitzer observations of the neutron star (ultra-compact) X-ray binary (XRB) 4U 0614+091 with the Infrared Array Camera reveal emission of non-thermal origin in the range 3.5-8 um.…
Identifications of Four INTEGRAL Sources in the Galactic Plane via Chandra Localizations
John A. Tomsick, Sylvain Chaty, Jerome Rodriguez +3
Hard X-ray imaging of the Galactic plane by the INTEGRAL satellite is uncovering large numbers of 20-100 keV "IGR" sources. We present results from Chandra, INTEGRAL, optical, and…
The Inclination Angle of and Mass of the Black Hole in XTE J1118+480
Dawn M. Gelino, Solen Balman, Umit Kizilouglu +3
We have obtained optical and infrared photometry of the quiescent soft X-ray transient XTE J1118+480. In addition to optical and J-band variations, we present the first observed H-…