1996A&A...313..269T

Query : 1996A&A...313..269T

1996A&A...313..269T - Astronomy and Astrophysics, volume 313269-276 (1996/9-1)

The distribution of CS and NH3 in star-forming regions.

TAYLOR S.D., MORATA O. and WILLIAMS D.A.

Abstract (from CDS):

The molecules CS and NH3 are expected on theoretical grounds to trace high density interstellar gas in a similar fashion. However, observations show that CS is often widespread while NH3 appears concentrated in dense cores. This result is interpreted here in terms of a clumpy model of molecular clouds, and a differential rate for chemistry of the two species. These CS cores are unresolved and numerous; most of them probably disperse rather than collapse to form a star.

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Journal keyword(s): ISM: clouds - molecules - structure - molecular process

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 LDN 1455 DNe 03 28 00.6480 +30 07 58.800           ~ 198 1
2 LDN 1524 DNe 04 27 57.7 +24 39 18           ~ 87 0
3 TMC-1 MoC 04 41 45.9 +25 41 27           ~ 1872 0
4 LDN 43 DNe 16 34 29.3 -15 47 11           ~ 147 1

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