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Title:
Pulse timing of the ongoing outburst of SAX J1808.4-3658 with RXTE
Authors:
Patruno, A.; Hartman, J. M.; Wijnands, R.; van der Klis, M.; Chakrabarty, D.; Morgan, E. H.; Markwardt, C. B.
Publication:
The Astronomer's Telegram, #1760
Publication Date:
10/2008
Origin:
ATEL
Keywords:
X-ray, Binaries, Neutron Stars, Pulsars, Transients
Bibliographic Code:
2008ATel.1760....1P

Abstract

Since the start of its current X-ray outburst on 2008 Sep 21 (ATel #1728), the accretion-powered millisecond pulsar SAX J1808.4-3658 has been observed for roughly 10 ks per day with the RXTE PCA. Coherent 401 Hz pulsations are clear throughout at an amplitude of 3-6% rms (2-16 keV). We have derived a pulse timing solution for this new outburst by phase connecting the pulsations observed during the interval MJD 54731-54739.
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Database: Astronomy
Physics
arXiv e-prints