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ATEL # 1251; A.K.H. Kong (NTHU)
on 28 Oct 2007; 15:41 UT
Password Certification: Albert Kong (firstname.lastname@example.org)
Subjects: 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.