Constraining sulfur isotope abundances in molecular clouds: A meteoritic perspective
Bernal, Jacob
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https://hdl.handle.net/2142/100585
Description
Title
Constraining sulfur isotope abundances in molecular clouds: A meteoritic perspective
Author(s)
Bernal, Jacob
Contributor(s)
Ziurys, Lucy M.
Bose, Maitrayee
Issue Date
2018-06-21
Keyword(s)
Astronomy
Abstract
Carbonaceous chondrite class meteorites exhibit isotopic enrichments in deuterium, 13C, 15N, and possibly 33S, implying interstellar origins. To study possible sulfur enrichments, we have been conducting observations of SO in molecular clouds to determine abundance ratios between 32S, 34S, and 33S. The N=2-1 3mm transitions of SO have been measured towards W51M, DR21, G34.3, W3(OH), and NGC7538 using the ARO 12m telescope. The sulfur isotope ratios are currently being calculated and will be compared to meteoritic samples (Bose et al. 2017). The results presented will help to determine the connection between molecular cloud and meteoritic materials.
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