7 papers
X-ray intensity-hardness correlation in Cyg X-1
Linqing Wen, Wei Cui, Hale V. Bradt
Using data from the All-Sky Monitor aboard the Rossi X-ray Timing Explorer (RXTE), we found that the 1.5-12 keV X-ray count rate of Cyg X-1 is, on time scales from 90 seconds to at…
Transient X--Ray Sources Observed with the Rxte All-Sky Monitor after 3.5 Years
Hale Bradt, Alan M. Levine, Ronald A. Remillard +1
We present light curves of a sample of "transient" sources observed with the All-Sky Monitor (ASM) of the Rossi X-ray Timing Explorer (RXTE). The light curves extend over 3.5 years…
Localizations of Thirteen Gamma-ray Bursts by the All-Sky Monitor on RXTE
D. A. Smith, A. M. Levine, H. V. Bradt +9
The All-Sky Monitor (ASM) on the Rossi X-ray Timing Explorer (RXTE) has been used to localize thirteen confirmed X-ray counterparts to Gamma-Ray Bursts (GRBs) detected over three y…
X-ray Orbital Modulation of Cygnus X-1
Linqing Wen, Wei Cui, Alan M. Levine +1
We have analyzed over 2 years of RXTE/ASM data for Cygnus X-1. We have detected the 5.6-day orbital period in Lomb-Scargle periodograms of both light curves and hardness ratios whe…
RXTE All-Sky Monitor Localization of SGR 1627-41
Donald A. Smith, Hale V. Bradt, Alan M. Levine
The fourth unambiguously identified Soft Gamma Repeater (SGR), SGR1627-41, was discovered with the BATSE instrument on 1998 June 15 (Kouveliotou et al. 1998). Interplanetary Networ…
Highlights from RXTE after 2.5 Years: Neutron-star Spins at KiloHertz Frequencies, Microquasars and More
Hale V. Bradt
The Rossi X-ray Timing Explorer (RXTE) satellite was launched on 30 December 1995. It has made substantial contributions pertaining to compact objects and their environs. Broad-ban…