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The Timing Evolution of 4U 1630-47 During its 1998 Outburst
S. W. Dieters, T. Belloni, E. Kuulkers +8
We report on the evolution of the timing of 4U1630-47 during its 1998 outburst using data obtained with the Rossi X-ray Timing Explorer (RXTE). The count rate and position in hardn…
Statistical properties of SGR 1900+14 bursts
Ersin Gogus, Peter M. Woods, Chryssa Kouveliotou +4
We study the statistics of soft gamma repeater (SGR) bursts, using a data base of 187 events detected with BATSE and 837 events detected with RXTE PCA, all from SGR 1900+14 during…
Hard Burst Emission from the Soft Gamma Repeater SGR 1900+14
Peter M. Woods, Chryssa Kouveliotou, Jan van Paradijs +7
We present evidence for burst emission from SGR 1900+14 with a power-law high energy spectrum extending beyond 500 keV. Unlike previous detections of high energy photons during bur…
Physical Mechanisms for the Variable Spin-down of SGR 1900+14
C. Thompson, R. C. Duncan, P. M. Woods +3
We consider the physical implications of the rapid spindown of Soft Gamma Repeater 1900+14, and of the apparent "braking glitch", ΔP/P = l x 10^-4, that was concurrent with the Aug…
Variable Spin-down in the Soft Gamma Repeater SGR 1900+14 and Correlations with Burst Activity
Peter M. Woods, Chryssa Kouveliotou, Jan van Paradijs +7
We have analyzed Rossi X-ray Timing Explorer Proportional Counter Array observations of the pulsed emission from SGR 1900+14 during September 1996, June - October 1998, and early 1…
Precise Interplanetary Network Localization of a New Soft Gamma Repeater, SGR1627-41
K. Hurley, C. Kouveliotou, P. Woods +5
We present Ulysses, KONUS-WIND, and BATSE observations of bursts from a new soft gamma repeater which was active in 1998 June and July. Triangulation of the bursts results in a ~ 1…