Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1308....1c&link_type=abstract
The Astronomer's Telegram, #1308
Astronomy and Astrophysics
Astronomy
6
Gamma Ray, >Gev, Transients
Scientific paper
The AGILE satellite, currently in its Science Verification Phase, during the Observing Block that started on 2007-11-02 12:00 UT, detected significant and strongly variable gamma-ray emission from the Cygnus region lasting only about 1 day. The variable source positional error box is centered at Galactic coordinates l = 75.0 deg, b = -0.4 deg, and has a radius of about 1 degree. A preliminary maximum likelihood analysis of the AGILE-GRID (Gamma-Ray Imaging Detector) data obtained between 2007-11-23 03:58:55 and 2007-11-24 03:58:55 for photon energies above 100 MeV results in a detection significance of over 5 sigma.
Antonelli Lucio Angelo
Argan Andrea
Barbiellini Guido
Bulgarelli Andrea
Caraveo Patrizia
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