A Survey for Infall Motions toward Starless Cores. I. CS (2-1) and N$_2$H$^+$ (1-0) Observations

Chang Won Lee (CfA & Korea Astronomy Observatory); & Mario Tafalla (CfA & OAN); Philip C. Myers (CfA)

arxiv: astro-ph/9906468 · v1 · submitted 1999-06-29 · 🌌 astro-ph

A Survey for Infall Motions toward Starless Cores. I. CS (2-1) and N₂H^+ (1-0) Observations

Chang Won Lee (CfA & Korea Astronomy Observatory) , Philip C. Myers (CfA) , & Mario Tafalla (CfA & OAN) This is my paper

classification 🌌 astro-ph

keywords coresinfallstarlessmotionssurveytowardcandidatesfind

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In this paper, we present the first results of a survey of 220 starless cores selected primarily by their optical obscuration (Lee & Myers 1999) and observed in CS (2-1), N$_2$H$^+$ (1-0), and C$^{18}$O (1-0) using the NEROC Haystack 37-m telescope, to quantify the incidence of infall motions toward starless cores and find infall candidates for further study in the future.

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A Survey for Infall Motions toward Starless Cores. I. CS (2-1) and N₂H^+ (1-0) Observations

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