Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/81228
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Type: | Journal article |
Title: | Interstellar gas towards ctb 37a and the tev gamma-ray source hess j1714-385 |
Author: | Maxted, N. Rowell, G. Dawson, B. Burton, M. Fukui, Y. Walsh, A. Kawamura, A. Horachi, H. Sano, H. Yoshiike, S. Fukuda, T. |
Citation: | Monthly Notices of the Royal Astronomical Society, 2013; 434(3):2188-2201 |
Publisher: | Blackwell Publishing Ltd |
Issue Date: | 2013 |
ISSN: | 0035-8711 1365-2966 |
Statement of Responsibility: | Nigel I. Maxted, Gavin P. Rowell, Bruce R. Dawson, Michael G. Burton, Yasuo Fukui, Andrew Walsh, Akiko Kawamura, Hirotaka Horachi, Hidetoshi Sano, Satoshi Yoshiike and Tatsuya Fukuda |
Abstract: | Observations of dense molecular gas towards the supernova remnants CTB 37A (G348.5+0.1) and G348.5−0.0 were carried out using the Mopra and Nanten2 radio telescopes. We present CO(2–1) and CS(1–0) emission maps of a region encompassing the CTB 37A TeV gamma-ray emission, HESS J1714−385, revealing regions of dense gas within associated molecular clouds. Some gas displays good overlap with gamma-ray emission, consistent with hadronic gamma-ray emission scenarios. Masses of gas towards the HESS J1714−385 TeV gamma-ray emission region were estimated, and were of the order of 10³–10⁴ M⊙. In the case of a purely hadronic origin for the gamma-ray emission, the cosmic ray flux enhancement is ∼80–1100 times the local solar value. This enhancement factor and other considerations allow a discussion of the age of CTB 37A, which is consistent with ∼10⁴ yr. |
Keywords: | Cosmic rays Gamma-rays: ISM Ism: clouds molecular data Supernovae: individual: CTB 37A |
Rights: | © 2013 The Authors. |
DOI: | 10.1093/mnras/stt1159 |
Grant ID: | http://purl.org/au-research/grants/arc/DP0662810 http://purl.org/au-research/grants/arc/DP1096533 |
Published version: | http://dx.doi.org/10.1093/mnras/stt1159 |
Appears in Collections: | Aurora harvest Chemistry and Physics publications |
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hdl_81228.pdf | Published version | 6.87 MB | Adobe PDF | View/Open |
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