A study of dense molecular gas towards galactic TeV γ-ray sources

de Wilt, P., Rowell, G., Dawson, B., Walsh, A.J., Burton, M., Brooks, K.J., Rathborne, J., and Aharonian, F. (2012) A study of dense molecular gas towards galactic TeV γ-ray sources. In: AIP Confereence Proceedings (1505) pp. 277-280. From: 5th International Meeting on High Energy Gamma-Ray Astronomy, 9-13 July 2012, Heidelberg, Germany.

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H.E.S.S. has revealed many new TeV γ-ray sources along the Galactic Plane. Many of these sources do not have identified counterparts at other wavelengths. The morphology and dynamics of dense gas can provide insight into the conditions of the interstellar medium coincident and surrounding the γ-ray emission, which can also provide clues about the nature of the TeV emission. The H2O Galactic Plane Survey (HOPS) undertaken with the Mopra radio telescope, includes several dense gas tracers, such as NH3 (n,n) transitions and HC3N (3-2), star formation tracers including H2O masers, and radio recombination lines which trace ionised gas. The HOPS data and additional observations undertaken by the authors have been used to search for dense gas toward Galactic TeV sources. Preliminary results towards a selected sample of three TeV sources are presented here.

Item ID: 25380
Item Type: Conference Item (Non-Refereed Research Paper)
ISBN: 978-0-7354-1123-4
ISSN: 1551-7616
Funders: Australian Research Council (ARC)
Projects and Grants: ARC Discovery Project grant : DP 1096533
Date Deposited: 16 Apr 2013 05:26
FoR Codes: 02 PHYSICAL SCIENCES > 0201 Astronomical and Space Sciences > 020104 Galactic Astronomy @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
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