HAWC and Fermi-LAT Detection of Extended Emission from the Unidentified Source 2HWC J2006+341

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Department of Physics


The discovery of the TeV point source 2HWC J2006+341 was reported in the second HAWC gamma-ray catalog. We present a follow-up study of this source here. The TeV emission is best described by an extended source with a soft spectrum. At GeV energies, an extended source is significantly detected in Fermi-LAT data. The matching locations, sizes, and spectra suggest that both gamma-ray detections correspond to the same source. Different scenarios for the origin of the emission are considered and we rule out an association to the pulsar PSR J2004 +3429 due to extreme energetics required, if located at a distance of 10.8 kpc.

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© 2020. The American Astronomical Society. All rights reserved. Publisher’s version of record: https://doi.org/10.3847/2041-8213/abbfae

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Astrophysical Journal Letters