An INTEGRAL ToO Observation of SGR1806-20

Details An INTEGRAL ToO Observation of SGR1806-20 An INTEGRAL ToO Observation of SGR1806-20

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.6207h&link_type=abstract

American Astronomical Society Meeting 203, #62.07; Bulletin of the American Astronomical Society, Vol. 35, p.1309

Astronomy and Astrophysics

Astronomy

Scientific paper

The Soft Gamma Repeater SGR1806-20 entered a new period of activity in July 2003. An INTEGRAL target of opportunity observation was triggered, and it took place during the waning phase of this period. The observation lasted 240 ks starting on September 3, and included both "stare" and "dither" modes to optimize IBIS/JEM-X observations and SPI observations, respectively.
At least three weak bursts were detected by IBIS/ISGRI in the 15-100 keV range, with fluences between ˜ 10-9 and 10-8 erg cm-2. Analysis is underway to determine whether the quiescent source associated with SGR1806-20 was detected, and whether a source associated with the possible new SGR, 1808-20, was present. Preliminary results on the continuum and on the possible line spectrum of SGR1806 will be presented.
This work was supported by the NASA INTEGRAL Guest Investigator program.

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