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Chemical composition of interstellar material

Published online by Cambridge University Press:  04 August 2017

S. R. Pottasch
S. R. Pottasch*
Affiliation:
Kapteyn Astronomical Institute Groningen, The Netherlands

Abstract

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Abundances in interstellar clouds, as determined from interstellar absorption lines, are discussed first, including abundances in ‘abnormal’ (high-velocity) clouds. HII-region abundances are then discussed and compared to results from the interstellar clouds. The present status of an abundance gradient as determined from HII regions is given. Abundances in planetary nebulae are then given for various categories of nebulae, and compared to HII regions. Finally a short status report on abundances near the galactic center is given.

Type
PART III: Dynamics and Evolution
Information
Symposium - International Astronomical Union , Volume 106: The Milky Way Galaxy , 1985 , pp. 575 - 584
Copyright
Copyright © Reidel 1985 

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