Interstellar Glycine

TitleInterstellar Glycine
Publication TypeJournal Article
Year of Publication2003
AuthorsKuan, Yi‐Jehng, Charnley Steven B., Huang Hui‐Chun, Tseng Wei‐Ling, and Kisiel Zbigniew
JournalThe Astrophysical Journal
Pagination848 - 867
Date Published08/2003
KeywordsAnalytical chemistry
Short TitleApJ
Citation Key169
Full Text

Abstract. We have searched for interstellar conformer I glycine (NH2CH2COOH), the simplest amino acid, in the hot molecular cores Sgr B2(N-LMH), Orion KL, and W51 e1/e2. An improved search strategy for intrinsically weak molecular lines, involving multisource observations, has been developed and implemented. In total, 82 spectral frequency bands, in the millimeter-wave region, were observed over a 4 yr period; 27 glycine lines were detected in 19 different spectral bands in one or more sourc

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