Correlation between regions of star formation and gamma-ray sources

Abstract

Statistically significant correlation between positions of unidentified gamma-ray sources (UGS) and the regions of star formation (RSF) is found. Fraction of UGS, coincided in position with RSF, makes up $47\pm 8$%. The coincided discrete gamma-ray sources possess, on average, harder energetic spectra and larger intensities with respect to the rest UGS. Annihilation of dark matter concentrating in RSF is supposed to account for a possible origin of gamma-radiation.

5 pages, 3 figures; report given at 29th Russian Conference on Cosmic Rays (3--7 Auguast 2006)

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