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Breaking the AMSP mould: the increasingly strange case of HETE J1900.1-2455
Duncan K. Galloway, Edward H. Morgan, Deepto Chakrabarty
We present ongoing Rossi X-ray Timing Explorer (RXTE) monitoring observations of the 377.3 Hz accretion-powered pulsar, HETE J1900.1-2455 Activity continues in this system more tha…
The Accretion Disk Wind in the Black Hole GRO J1655-40
J. M. Miller, J. Raymond, C. S. Reynolds +3
We report on simultaneous Chandra/HETGS and RXTE observations of the transient stellar-mass black hole GRO J1655-40, made during its 2005 outburst. Chandra reveals a line-rich X-ra…
Constraints on the Self-Gravity of Radiation Pressure via Big Bang Nucleosynthesis
Saul Rappaport, Josiah Schwab, Scott Burles
Using standard big-bang nucleosynthesis and present, high-precision measurements of light element abundances, we place constraints on the self-gravity of radiation pressure in the…
Parallel tracks in infrared versus X-ray emission in black hole X-ray transient outbursts: a hysteresis effect?
D. M. Russell, T. J. Maccarone, E. G. Koerding +1
We report the discovery of a new hysteresis effect in black hole X-ray binary state transitions, that of the near-infrared (NIR) flux (which most likely originates in the jets) ver…
Outer jet X-ray and radio emission in R Aquarii: 1999.8 to 2004.0
E. Kellogg, C. Anderson, K. Korreck +5
Chandra and VLA observations of the symbiotic star R Aqr in 2004 reveal significant changes over the three to four year interval between these observations and previous observation…
Discovery of X-ray burst triplets in EXO 0748-676
L. Boirin, L. Keek, M. Mendez +5
[Abridged] Type-I X-ray bursts are thermonuclear flashes that take place on the surface of accreting neutron stars. The wait time between consecutive bursts is set by the time requ…