Post-AGB Objects as a Phase of Stellar Evolution: Proceedings of the Toruń Workshop held July 5–7, 2000
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1. Verfasser: | |
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Format: | Elektronisch E-Book |
Sprache: | English |
Veröffentlicht: |
Dordrecht
Springer Netherlands
2001
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Schriftenreihe: | Astrophysics and Space Science Library
265 |
Schlagworte: | |
Online-Zugang: | Volltext |
Beschreibung: | The term proto-planetary nebulae (PPNe) in the context of the late stages of stellar evolution was created only slightly more than 20 years ago to express the belief that in the near future these objects will become planetary nebulae (PNe). The first proto-planetary nebulae (called also post-Asymptotic Giant Branch, or shortly post-AGB objects) AFGL 2688 and AFGL 618 were discovered in mid seventies in course of the Air Force Sky Survey. Investigation of this phase of stellar evolution developed very rapidly in 1980's after the IRAS mission when it became clear that proto-planetary nebulae emit a significant part of their energy in the mid-and far-infrared. Hundreds of new candidates have been proposed but the recognition of the real proto-planetary nebulae is not a simple task and needs a substantial effort to exclude cases that represent different evolutionary stages. High resolution spectroscopy of stellar atmospheres is of much importance in this respect. Surprisingly, only a small group of central stars, the so called 21 11m emitters, show chemical signatures of the 3 rd dredge up process. Very recently, a more detailed studies of mid-infrared spectra from the Infrared Space Observatory (ISO) allow for a better understanding of chemical composition and evolution of circumstellar material around these stars. A new impetus in the field of proto-planetary nebulae research was started in the 1990's with high spatial resolution imaging in mid-infrared and optical wavelength ranges |
Beschreibung: | 1 Online-Ressource (XXI, 448 p) |
ISBN: | 9789401596886 9789048157587 |
ISSN: | 0067-0057 |
DOI: | 10.1007/978-94-015-9688-6 |
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author | Szczerba, Ryszard |
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spelling | Szczerba, Ryszard Verfasser aut Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 edited by Ryszard Szczerba, Sławomir K. Górny Proceedings of the Torun Workshop held July 5-7, 2000 Dordrecht Springer Netherlands 2001 1 Online-Ressource (XXI, 448 p) txt rdacontent c rdamedia cr rdacarrier Astrophysics and Space Science Library 265 0067-0057 The term proto-planetary nebulae (PPNe) in the context of the late stages of stellar evolution was created only slightly more than 20 years ago to express the belief that in the near future these objects will become planetary nebulae (PNe). The first proto-planetary nebulae (called also post-Asymptotic Giant Branch, or shortly post-AGB objects) AFGL 2688 and AFGL 618 were discovered in mid seventies in course of the Air Force Sky Survey. Investigation of this phase of stellar evolution developed very rapidly in 1980's after the IRAS mission when it became clear that proto-planetary nebulae emit a significant part of their energy in the mid-and far-infrared. Hundreds of new candidates have been proposed but the recognition of the real proto-planetary nebulae is not a simple task and needs a substantial effort to exclude cases that represent different evolutionary stages. High resolution spectroscopy of stellar atmospheres is of much importance in this respect. Surprisingly, only a small group of central stars, the so called 21 11m emitters, show chemical signatures of the 3 rd dredge up process. Very recently, a more detailed studies of mid-infrared spectra from the Infrared Space Observatory (ISO) allow for a better understanding of chemical composition and evolution of circumstellar material around these stars. A new impetus in the field of proto-planetary nebulae research was started in the 1990's with high spatial resolution imaging in mid-infrared and optical wavelength ranges Physics Astronomy, Observations and Techniques Astrophysics and Astroparticles Górny, Sławomir K. Sonstige oth https://doi.org/10.1007/978-94-015-9688-6 Verlag Volltext |
spellingShingle | Szczerba, Ryszard Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 Physics Astronomy, Observations and Techniques Astrophysics and Astroparticles |
title | Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 |
title_alt | Proceedings of the Torun Workshop held July 5-7, 2000 |
title_auth | Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 |
title_exact_search | Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 |
title_full | Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 edited by Ryszard Szczerba, Sławomir K. Górny |
title_fullStr | Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 edited by Ryszard Szczerba, Sławomir K. Górny |
title_full_unstemmed | Post-AGB Objects as a Phase of Stellar Evolution Proceedings of the Toruń Workshop held July 5–7, 2000 edited by Ryszard Szczerba, Sławomir K. Górny |
title_short | Post-AGB Objects as a Phase of Stellar Evolution |
title_sort | post agb objects as a phase of stellar evolution proceedings of the torun workshop held july 5 7 2000 |
title_sub | Proceedings of the Toruń Workshop held July 5–7, 2000 |
topic | Physics Astronomy, Observations and Techniques Astrophysics and Astroparticles |
topic_facet | Physics Astronomy, Observations and Techniques Astrophysics and Astroparticles |
url | https://doi.org/10.1007/978-94-015-9688-6 |
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