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Molecular Line Studies of Dense Core Motions
Published online by Cambridge University Press: 07 August 2017
Abstract
Molecular lines have revealed various supporting motions in dense cores. Line widths and emission region sizes of NH3 and CS in the same kind of cores or of the same line in cores with or without sources are different and can not be explained with the line width- size relationship. Outflows in dense cores show rich characteristics which can account for the NH3 emission difference between the two kinds of the cores; CS emission is consistent with the chemical effects in shocked regions. Rotation exists in both kinds of cores and may be related to the observed polarities and collimations of outflows.
- Type
- Quiescent Clouds and Regions of Star Formation
- Information
- Symposium - International Astronomical Union , Volume 150: Astrochemistry of Cosmic Phenomena , 1992 , pp. 217 - 222
- Copyright
- Copyright © Kluwer 1992