Detection of coherent millisecond pulsations at ~518 Hz in the LMXB Swift J1749.4-2807 (GRB060602B)

Details Detection of coherent millisecond pulsations at ~518 Hz in the LMXB Swift J1749.4-2807 (GRB060602B) Detection of coherent millisecond pulsations at ~518 Hz in the LMXB Swift J1749.4-2807 (GRB060602B)

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2565....1a&link_type=abstract

The Astronomer's Telegram, #2565

Astronomy and Astrophysics

Astronomy

4

X-Ray, Request For Observations, Binaries, Neutron Stars, Pulsars, Transients

Scientific paper

On April 10th, it was discovered (ATel #2548) using INTEGRAL that the neutron-star X-ray binary Swift J1749.4-2807 (Wijnands et al. 2009, MNRAS, 393, 126) was again in outburst. Using follow-up Swift and INTEGRAL observations the source activity was confirmed (ATel #2548 and #2561). On April 14th, 2010 (20:58:00 UT), RXTE performed a pointed observation of Swift J1749.4-2807. The observation lasted for about 1.6 ksec, at a background-corrected count rate of ~30 cts/sec/PCU (2 PCUs were active during this observation) in the 2-16 keV range.

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