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Swift/XRT non-detection of the VHE source HESS J1908+063
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Swift/XRT non-detection of the VHE source HESS J1908+063

Albert K. H. Kong
The Astronomer's Telegram
2007

Abstract

X-ray;Gamma Ray;>GeV
We report on a Swift/XRT observation of the possible radio and IR counterparts of the new VHE source HESS J1908+063 (ATel #1247). The Swift/XRT observations were taken between 2007 October 26 and 27 for a total on-source time of 6.6 ks. No sources are detected within the field-of-view of XRT. We derive a 3-sigma upper limit on the source unabsorbed 0.3-10 keV flux of 2.8e-13 erg cm^-2 s^-1 assuming a power-law model with a photon index of 2 and Galactic absorption of 1.5e22 cm^-2.

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