PoS - Proceedings of Science
Volume 395 - 37th International Cosmic Ray Conference (ICRC2021) - GAD - Gamma Ray Direct
The gamma-ray emission in the region of W49A with Fermi-LAT
Y. Xin* and X. Guo
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Pre-published on: July 06, 2021
Published on: March 18, 2022
The young star clusters/star forming regions have been believed to be the Galactic CRs contributors. As the CR acceleration sites, the collective effect of stellar winds and/or supernova activity in the young stellar associations can produce a large-scale shock, which will accelerate the particles up to energies of hundreds of TeV. W49A is one of the massive and luminous star forming region in the Galaxy and one of the richest clusters known. Using the Fermi-LAT Pass 8 data, here we report the detection of the gamma-ray emission around W49A.
DOI: https://doi.org/10.22323/1.395.0626
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