Soft X and Gamma ray emission from TeV sources observed with Swift and   INTEGRAL
  The soft X-ray and soft gamma observations of the new discovered TeV sources by HESS and MAGIC are crucial to discriminate between various emitting scenarios and to fully understand their nature. The INTEGRAL Observatory has regularly observed the entire galactic plane during the first 1000 day in orbit providing a survey in the 20-100 keV range resulted in a soft gamma-ray sky populated with more than 200 sources. In the case of HESS J1813-178 INTEGRAL found the hard X-ray counterpart IGR J18135-1751 and Swift/XRT Telescope performed follow-up observations on this source. Here we present the soft/hard X-ray spectral study. We reported on the INTEGRAL observation of LS 5039, the first microquasar that have been observed by HESS up to now. 
A.De Rosa, P. Ubertini, A. Bazzano, L. Bassani, R. Landi, A. Malizia,   J.B. Stephen (for the IBIS Survey team)