Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mss..conferf02a&link_type=abstract
"International Symposium On Molecular Spectroscopy, 65th Meeting, Held 21-25 June, 2010 at Ohio State University. http://molspec
Astronomy and Astrophysics
Astronomy
Astronomical Species And Processes
Scientific paper
The formation of the metastable isomer pair, HNCS and HSCN, has been investigated in the warm molecular cloud SgrB2 and the dense cold core TMC-1. In Sagitarius B2, the 8_0_,_8--7_0_,_7 and 9_0_,_9--8_0_,_8 transitions of both isomers have been mapped over a 5 * 3 region around the central hot core SgrB2(M), using the Arizona Radio Observatory (ARO) 12m telescope. In TMC-1, the 8_0_,_8--7_0_,_7 and 7_0_,_7--6_0_,_6 lines of both isomers have been detected. Both molecules show extended emission across SgrB2 with a ratio [HNCS]/[HSCN] 1-10. In TMC-1, the ratio is 1. The high abundance of the metastable isomer HSCN relative to HNCS suggests that the main production route to both molecules is electron recombination from the ionic precursor HNCSH+, in analogy to HCN and HNC.
Adande G.
Halfen DeWayne T.
Ziurys Lucy M.
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