Speaker
Mr
xiao zhang
(Nanjing University)
Description
SNR G35.6-0.4 shows complex components in the radio bands and partially overlaps in space with an unidentified TeV source HESS J1858+020. In this study, we reanalyze CO, HI, and Fermi data toward SNR G35.6-0.4 region. The results obtained from the CO and HI data suggest that SNR G35.6-0.4 and HII region G35.6-0.5 locate at different distances. Based on the Fermi data, a GeV source (SrcB) is found to be spatially coincident with both HESS J1858+020 and HII region G35.6-0.5. The spectra of SrcB and HESS J1858+020 can be smoothly connected by a Power-law function with a hard index of ~2.2. Our results may imply that HII regions (or star-forming regions) are the potential PeVatrons.
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Primary author
Mr
xiao zhang
(Nanjing University)
Co-authors
Mr
Fa-xiang Zheng
(Nanjing Univ.)
Dr
Ping Zhou
(Nanjing Univ.)
Dr
Qian-cheng Liu
(Nanjing Univ.)
Dr
Yang Chen
(Department of Astronomy, Nanjing University)
