TY  - JOUR
AU  - HAWC Collaboration (Albert, A. et al
AU  - Salesa Greus, F.
PY  - 2023
DA  - 2023//
TI  - Detailed Analysis of the TeV gamma-Ray Sources 3HWC J1928+178, 3HWC J1930+188, and the New Source HAWC J1932+192
T2  - Astrophys. J.
JO  - Astrophysical Journal
SP  - 96 - 18pp
VL  - 942
IS  - 2
PB  - IOP Publishing Ltd
AB  - The latest High Altitude Water Cherenkov (HAWC) point-like source catalog up to 56 TeV reported the detection of two sources in the region of the Galactic plane at galactic longitude 52 degrees < l < 55 degrees, 3HWC J1930+188 and 3HWC J1928+178. The first one is associated with a known TeV source, the supernova remnant SNR G054.1+00.3. It was discovered by one of the currently operating Imaging Atmospheric Cherenkov Telescope (IACT), the Very Energetic Radiation Imaging Telescope Array System (VERITAS), detected by the High Energy Stereoscopic System (H.E.S.S), and identified as a composite SNR. However, the source 3HWC J1928+178, discovered by HAWC and coincident with the pulsar PSR J1928+1746, was not detected by any IACT despite their long exposure on the region, until a recent new analysis of H.E.S.S. data was able to confirm it. Moreover, no X-ray counterpart has been detected from this pulsar. We present a multicomponent fit of this region using the latest HAWC data. This reveals an additional new source, HAWC J1932+192, which is potentially associated with the pulsar PSR J1932+1916, whose gamma-ray emission could come from the acceleration of particles in its pulsar wind nebula. In the case of 3HWC J1928+178, several possible explanations are explored, in an attempt to unveil the origins of the very-high-energy gamma-ray emission.
SN  - 0004-637x
UR  - https://arxiv.org/abs/2302.14137
UR  - https://doi.org/10.3847/1538-4357/ac8de3
DO  - 10.3847/1538-4357/ac8de3
LA  - English
N1  - WOS:000942614000001
ID  - HAWCCollaborationAlbert+SalesaGreus2023
ER  -