SIMBAD references

1996A&A...313..269T - Astronomy and Astrophysics, volume 313, 269-276 (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.

Abstract Copyright:

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

Status at CDS:  

Simbad objects: 4

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2020.04.07-20:21:29

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