Angular Momentum and Mass Loss for Hot Stars:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Dordrecht
Springer Netherlands
1990
|
| Schriftenreihe: | NATO ASI Series, Series C: Mathematical and Physical Sciences
316 |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Beschreibung: | Fundamental unsolved problems of stellar astrophysics include the effects of angular momentum on stellar structure and evolution, the nature and efficiency of the processes by which angular momentum is redistributed within and lost from stars, and the role that stellar rotation plays in enhancing or driving stellar mass loss. There appears to be a qualitative change in the nature and efficiency of these mechanisms near spectral type FO: hotter (more massive) stars typically retain more angular momentum at least until they reach the main sequence, while cooler stars typically spin down quickly. For the hotter stars, recent work suggests a strong link between the type of pulsation behavior, the mass loss rates, and the rotation velocity. If the same mechanisms are able to drive mass loss from the main sequence A stars, as has recently been proposed, then the current interpretations of a number of observations will be drastically affected: e. g. the ages of clusters may be incorrect by up to a factor of two, and the surface abundances of isotopes of He, Li and Be may no longer give constraints on cosmological nucleosynthesis. There are also effects on the evolution of the abundances of elements in the interstellar medium and on the general evolution of populations of stars. Thus the questions of the mechanisms of angular momentum and mass loss of stars more massive than the sun is important not only for stellar studies but for the foundations of much of modern astrophysics |
| Beschreibung: | 1 Online-Ressource (XIV, 365 p) |
| ISBN: | 9789400921054 9789401074469 |
| ISSN: | 1389-2185 |
| DOI: | 10.1007/978-94-009-2105-4 |
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| 245 | 1 | 0 | |a Angular Momentum and Mass Loss for Hot Stars |c edited by L. A. Willson, R. Stalio |
| 246 | 1 | 3 | |a Proceedings of the NATO Advanced Research Workshop, Ames, Iowa, U.S.A., October 23-27, 1989 |
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| 500 | |a Fundamental unsolved problems of stellar astrophysics include the effects of angular momentum on stellar structure and evolution, the nature and efficiency of the processes by which angular momentum is redistributed within and lost from stars, and the role that stellar rotation plays in enhancing or driving stellar mass loss. There appears to be a qualitative change in the nature and efficiency of these mechanisms near spectral type FO: hotter (more massive) stars typically retain more angular momentum at least until they reach the main sequence, while cooler stars typically spin down quickly. For the hotter stars, recent work suggests a strong link between the type of pulsation behavior, the mass loss rates, and the rotation velocity. If the same mechanisms are able to drive mass loss from the main sequence A stars, as has recently been proposed, then the current interpretations of a number of observations will be drastically affected: e. g. the ages of clusters may be incorrect by up to a factor of two, and the surface abundances of isotopes of He, Li and Be may no longer give constraints on cosmological nucleosynthesis. There are also effects on the evolution of the abundances of elements in the interstellar medium and on the general evolution of populations of stars. Thus the questions of the mechanisms of angular momentum and mass loss of stars more massive than the sun is important not only for stellar studies but for the foundations of much of modern astrophysics | ||
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Datensatz im Suchindex
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| illustrated | Not Illustrated |
| indexdate | 2024-07-10T01:20:56Z |
| institution | BVB |
| isbn | 9789400921054 9789401074469 |
| issn | 1389-2185 |
| language | English |
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| spelling | Willson, L. A. Verfasser aut Angular Momentum and Mass Loss for Hot Stars edited by L. A. Willson, R. Stalio Proceedings of the NATO Advanced Research Workshop, Ames, Iowa, U.S.A., October 23-27, 1989 Dordrecht Springer Netherlands 1990 1 Online-Ressource (XIV, 365 p) txt rdacontent c rdamedia cr rdacarrier NATO ASI Series, Series C: Mathematical and Physical Sciences 316 1389-2185 Fundamental unsolved problems of stellar astrophysics include the effects of angular momentum on stellar structure and evolution, the nature and efficiency of the processes by which angular momentum is redistributed within and lost from stars, and the role that stellar rotation plays in enhancing or driving stellar mass loss. There appears to be a qualitative change in the nature and efficiency of these mechanisms near spectral type FO: hotter (more massive) stars typically retain more angular momentum at least until they reach the main sequence, while cooler stars typically spin down quickly. For the hotter stars, recent work suggests a strong link between the type of pulsation behavior, the mass loss rates, and the rotation velocity. If the same mechanisms are able to drive mass loss from the main sequence A stars, as has recently been proposed, then the current interpretations of a number of observations will be drastically affected: e. g. the ages of clusters may be incorrect by up to a factor of two, and the surface abundances of isotopes of He, Li and Be may no longer give constraints on cosmological nucleosynthesis. There are also effects on the evolution of the abundances of elements in the interstellar medium and on the general evolution of populations of stars. Thus the questions of the mechanisms of angular momentum and mass loss of stars more massive than the sun is important not only for stellar studies but for the foundations of much of modern astrophysics Physics Astrophysics and Astroparticles Astronomy, Observations and Techniques Stalio, R. Sonstige oth https://doi.org/10.1007/978-94-009-2105-4 Verlag Volltext |
| spellingShingle | Willson, L. A. Angular Momentum and Mass Loss for Hot Stars Physics Astrophysics and Astroparticles Astronomy, Observations and Techniques |
| title | Angular Momentum and Mass Loss for Hot Stars |
| title_alt | Proceedings of the NATO Advanced Research Workshop, Ames, Iowa, U.S.A., October 23-27, 1989 |
| title_auth | Angular Momentum and Mass Loss for Hot Stars |
| title_exact_search | Angular Momentum and Mass Loss for Hot Stars |
| title_full | Angular Momentum and Mass Loss for Hot Stars edited by L. A. Willson, R. Stalio |
| title_fullStr | Angular Momentum and Mass Loss for Hot Stars edited by L. A. Willson, R. Stalio |
| title_full_unstemmed | Angular Momentum and Mass Loss for Hot Stars edited by L. A. Willson, R. Stalio |
| title_short | Angular Momentum and Mass Loss for Hot Stars |
| title_sort | angular momentum and mass loss for hot stars |
| topic | Physics Astrophysics and Astroparticles Astronomy, Observations and Techniques |
| topic_facet | Physics Astrophysics and Astroparticles Astronomy, Observations and Techniques |
| url | https://doi.org/10.1007/978-94-009-2105-4 |
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