Correlation between regions of star formation and gamma-ray sources
K. Belotsky, A. Galper, B. Luchkov
TL;DR
This study finds a significant correlation between unidentified gamma-ray sources and star formation regions, suggesting dark matter annihilation in these regions could explain some gamma-ray emissions.
Contribution
It provides the first statistical evidence linking gamma-ray sources to star formation regions and explores dark matter annihilation as a potential origin.
Findings
47% of UGS coincide with RSF
Coinciding sources have harder spectra and higher intensities
Dark matter annihilation may explain gamma-ray emissions in RSF
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 %. 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.
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae · Dark Matter and Cosmic Phenomena