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Read e-book online Dust and Molecules in Evolved Stars: Proceedings of an PDF

By A. G. G. M. Tielens (auth.), Isabelle Cherchneff, Tom J. Millar (eds.)

ISBN-10: 9048150183

ISBN-13: 9789048150182

ISBN-10: 9401713073

ISBN-13: 9789401713078

Dust and molecules are present in a wide number of astrophysical environments, specifically within the circumstellar fabric ejected by way of developed stars. This booklet brings jointly the best astronomers and astrophysicists within the box of molecular astrophysics and stellar physics to debate the $64000 problems with airborne dirt and dust and molecular formation, the function of solids in circumstellar environments, molecules as probes of circumstellar parameters, the stellar contribution to the enrichment of the Galaxy, and the newest observational info in quite a few wavelength domain names, in partiular within the infrared with effects from the Infrared house Observatory. The astrophysical senarios contain late-type stars, novae, Wolf-Rayet stars, Luminous Blue Variables and supernovae.
Audience: Researchers and graduate scholars within the fields of stellar physics, stellar evolution and astrochemistry.

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Read or Download Dust and Molecules in Evolved Stars: Proceedings of an International Workshop held at UMIST, Manchester, United Kingdom, 24–27 March, 1997 PDF

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Additional resources for Dust and Molecules in Evolved Stars: Proceedings of an International Workshop held at UMIST, Manchester, United Kingdom, 24–27 March, 1997

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The relative simplicity of their geometry and kinematics, and the large variety in their physical and chemical (C/0<1 as well as >1) characteristics, make them excellent targets for the study of molecular formation processes. This review presents a compilation of estimated molecular abundances, discusses the uncertainties involved in their estimate, and makes some comparisons with theoretical predictions. 1. Introduction Low- and intermediate-mass stars lose mass as they evolve along the Asymptotic Giant Branch (AGB).

Van Dishoeck E. , 1992, MNRAS, 257, 377 Sylvester R. , 1997, MNRAS, in press 24 Millar: You mentioned several times that the models of Goldrich and Scoville which give the temperature profile adopted in your models need updating. Is this profile crucial to the interpretation of your observations? Barlow: It plays a role, along with several other free parameters in the models. Goldreich and Scoville's pioneering work in 1976 was carried out prior to the observation of the dominant cooling lines from two winds.

Phys. Chern. Ref. , Chevalier R. , 1985, ApJ, 299, 167 Boyle R. , Keady J. , Jennings D. , Hirsch K. nn G. , Tielens A. G. G. , R. Clegg, I. Stevens, W. P. S. Meikle, Circumstellar Media in the Late Stages of Stellar Evolution, Cambridge University Press, p. 232. , Glassgold A. , Barker J. , Tielens A. G. G. , 1992, ApJ, 401, 269 Fox M. , 1985, ApJ, 297, 455 Gensheimer P. , Snyder L. , 1995, ApJ, 439, 455 Howe D. , Millar T. , 1990, MNRAS, 255, 217 Keady J. , Hinkle K. , 1988, ApJ, 331, 539 Keady J.

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Dust and Molecules in Evolved Stars: Proceedings of an International Workshop held at UMIST, Manchester, United Kingdom, 24–27 March, 1997 by A. G. G. M. Tielens (auth.), Isabelle Cherchneff, Tom J. Millar (eds.)


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