Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1317....1b&link_type=abstract
The Astronomer's Telegram, #1317
Astronomy and Astrophysics
Astronomy
1
Optical, Ultra-Violet, X-Ray, Gamma Ray, Agn
Scientific paper
Following the report of a bright hard X-ray state of 1ES 1959+650 as seen in INTEGRAL IBIS/ISGRI (ATel #1315: 3.2e-11 erg/cm**2/sec at 20-40 keV), Swift performed a pointed observation of the source. The observation started at 2007-11-30T17:57 with an effective exposure time of the XRT of 1279 sec. The XRT data are well represented by a single power law model with photon index 1.76+-0.04 plus Galactic absorption (NH = 1.0e21 1/cm**2).
Ajello Marco
Beckmann Volker
Bottacini Eugenio
Greiner Jochen
Ishibashi W.
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