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M. A. Mateen, E. D. Araya (New Mexico Institute of Mining and Technology), P. Hofner (New Mexico Institute of Mining and Technology & National Radio Astronomy Observatory)
In this paper we present preliminary results of a survey of the SO NJ = 10 - 01 transition at 30 GHz (1 cm band) conducted with the MPIfR 100 m Radio Telescope toward 48 Ultra Compact (UC) HII regions. Seven of the 48 UC HII regions were also observed with the IRAM 30 m Radio Telescope in the SO NJ = 43 - 32 transition at 138 GHz (2 mm band). The survey aims at establishing the SO NJ = 10 - 01 transition as a probe for physical and chemical conditions in star forming regions. We also investigate how well the SO 10 - 01 transition traces outflows or infall, as well as possible chemical abundance variations.
This research is partly supported by NSF grant AST-0454665.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.