Fermi/LAT and Swift/XRT detection of increased activity from the binary system PSR B1259-63/SS 2883

Details Fermi/LAT and Swift/XRT detection of increased activity from the binary system PSR B1259-63/SS 2883 Fermi/LAT and Swift/XRT detection of increased activity from the binary system PSR B1259-63/SS 2883

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.3046....1t&link_type=abstract

The Astronomer's Telegram, #3046

Astronomy and Astrophysics

Astronomy

2

X-Ray, Gamma Ray, Request For Observations, Binary, Pulsar

Scientific paper

We report on the gamma-ray detection by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope from the sky position of the binary system PSR B1259-63/SS2883. A preliminary analysis of the region around the system has resulted in a detection significance of about 4 standard deviations using data taken between 2010-11-18 00:00:00 (UT) to 2010-11-21 00:04:42 (UT).
Based on the same data set and using a single power law model for the source, the averaged gamma-ray flux is around 4 x 10^-8 photons/s/cm^2 over the energy range 300 MeV to 100 GeV and the photon index is about 1.7.

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