A survey for gamma-ray emission from OB associations with INTEGRAL: some preliminary results

Details A survey for gamma-ray emission from OB associations with INTEGRAL: some preliminary results A survey for gamma-ray emission from OB associations with INTEGRAL: some preliminary results

Nov 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005mshe.work..115l&link_type=abstract

"Proceedings of "Massive Stars and High-Energy Emission in OB Associations", a workshop of the JENAM 2005, "Distant Worlds", hel

Physics

Scientific paper

Recent studies indicated that there might be a correlation between OB associations and unidentified gamma-ray sources from the 3EG catalogue. Moreover, when extrapolating the fluxes measured by EGRET at energies higher than 100 MeV with a power-law down to the energy range of ISGRI, the expected count rates should be large enough to be detected with INTEGRAL. As most of these OB associations are located within the Galactic plane, they are being observed by INTEGRAL as part of the Core Program (CP) during both the Galactic Plane Scans (GPS) and the Galactic Center Deep Exposure (GCDE). Combining public and CP data, we have performed a survey for gamma-ray emission from OB associations and the first results are presented in this paper.

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