INTEGRAL Observations of SGR1806-20

Details INTEGRAL Observations of SGR1806-20 INTEGRAL Observations of SGR1806-20

Dec 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.8306h&link_type=abstract

American Astronomical Society Meeting 205, #83.06; Bulletin of the American Astronomical Society, Vol. 36, p.1480

Astronomy and Astrophysics

Astronomy

Scientific paper

INTEGRAL has observed the soft gamma repeater SGR1806-20 for over 2.2 million seconds in the course of two target of opportunity observations and two Galactic center deep exposures in the AO-1 and AO-2 periods. In these observations, the quiescent emission was detected and its spectrum measured to over 100 keV for the first time by IBIS. More than 100 bursts were detected by IBIS in the 15-200 keV energy range, and more than 30 of them were also detected by JEM-X in the 3-35 keV energy range. We discuss the fluence distribution of SGR1806 bursts, and their spectral evolution. We also set an upper limit to the quiescent flux from the SGR-like source discovered by HETE, SGR1808-20.
This work was supported by the INTEGRAL U.S. Guest Investigator program under NASA grant NAG5-13738.

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