2007/09/18 by Yancy L. Shirley, Shirley, Yancy L.
Chemistry · Physics and Astronomy · #Astro and Planetary Science #Astronomy and Astrophysical Research #Astrophysics (astro-ph) #Astrophysics and Star Formation Studies #Biology #Chemistry #FOS: Physical sciences #Genetics #Sequence (biology) #astro-ph
paper · pdf · doi:10.48550/arxiv.0709.2927
To appear in "Molecules in Space & Laboratory", Paris 2007, eds. J.L. Lemaire & F. Combes. Corrected typo, otherwise "more or less" the same
openalex publication_date 2007/09/18 · arxiv created 2007/11/29 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
I review the basic processes that may be used to develop a chemical evolutionary sequence for low-mass starless cores. I highlight observational results from the Arizona Radio Observatory-Green Bank Survey. Observations were performed with the SMT 10-m, ARO 12-m, and GBT 100-m toward a sample of 25 nearby (D < 400 pc) low-mass starless cores which have radiative transfer models of the 850 μm emission and observed SED (160 - 1300 um). The cores were observed in the lines of NH3 (1,1) and (2,2), o-NH2D 111 - 101, C2S 12 - 21, C3S 4 - 3, HCN 1 - 0, HC5N 9 - 8, HC7N 21 - 20, C18O and C17O 2 - 1, and p-H2CO 101 - 000.