Swift/XRT detection of GRS 1741.9-2853 in outburst

Details Swift/XRT detection of GRS 1741.9-2853 in outburst Swift/XRT detection of GRS 1741.9-2853 in outburst

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2236....1k&link_type=abstract

The Astronomer's Telegram, #2236

Astronomy and Astrophysics

Astronomy

1

X-Ray, Transients

Scientific paper

In Swift periodic monitoring of the Galactic Center, we have detected GRB 1741.9-2853 go into outburst, as reported by Chenevez et al. (ATEL #2235). The source is detected at a high significance in a 0.9ks observation on September 29th, in a 0.9ks observation on October 2nd, in a 0.7ks observation on October 5th, 2009, and in a 1.2ks observation on October 8th, 2009. The source was not detected in the in a 0.9ks observation of this region on September 23rd, 2009, or in any previous observations of this region in 2009. The average XRT Photon Counting mode spectrum (corrected for pile-up) during this time is well described by a power-law model with an absorption of 1.6 +/- 0.2 x 1023 cm-2, and a photon index of 3.2 +/- 0.3.

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