Swift observes an outburst from the Supergiant Fast X-ray Transient IGR J16479-4514

Details Swift observes an outburst from the Supergiant Fast X-ray Transient IGR J16479-4514 Swift observes an outburst from the Supergiant Fast X-ray Transient IGR J16479-4514

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.1920....1r&link_type=abstract

The Astronomer's Telegram, #1920

Astronomy and Astrophysics

Astronomy

5

X-Ray, Gamma Ray, Request For Observations, Binaries, Transients

Scientific paper

The Swift/BAT caught a new outburst from the Supergiant Fast X- ray Transient IGR J16479-4514 on January 29 at 06:33:07 UT. The Swift/BAT light curve shows a broad peak with maximum around the trigger time. The time- averaged spectrum from T-419 to T+964 s is best fit by a simple power-law model with a photon index of 2.5+/-0.3 (90% c.l.). The 15-150 keV flux is 2E-9 ergs/cm2/s. Swift slewed to the target, so that the XRT started observing the field at 06:46:46.9 UT, 819.3s after the BAT trigger.

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