Swift/XRT Observations of Anomalous X-ray Pulsar 4U 0142+61 Following a Burst

Details Swift/XRT Observations of Anomalous X-ray Pulsar 4U 0142+61 Following a Burst Swift/XRT Observations of Anomalous X-ray Pulsar 4U 0142+61 Following a Burst

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3520....1g&link_type=abstract

The Astronomer's Telegram, #3520

Astronomy and Astrophysics

Astronomy

X-Ray, Neutron Star, Soft Gamma-Ray Repeater, Pulsar

Scientific paper

We report on Swift/XRT observations of the Anomalous X-ray Pulsar 4U 0142+61 after its most recent burst detected by Swift/BAT (GCN 12209). A preliminary analysis of the Windowed Timing mode data from MJD 55771.47 to 55771.55 shows that the source's persistent 2-10 keV flux (unabsorbed) increased by a factor of ~5.5, and in 3 hrs decayed down to 1.6 times the quiescent level. Similarly, the pulsed flux went from a factor of 10+/-2 to 2.1+/-0.6 above the quiescent level in the same time frame.

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