Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds

The effects of rapid rotation and bi-stability upon the density contrast between the equatorial and polar directions of a B[e] supergiant are re-investigated. Based on a new slow solution for different high rotational radiation-driven winds and the fact that bi-stability allows a change in the line-...

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Autores principales: Curé, M., Rial, D.F., Cidale, L.
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: 2005
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Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00046361_v437_n3_p929_Cure
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spelling paperaa:paper_00046361_v437_n3_p929_Cure2023-06-12T16:40:46Z Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds Astron. Astrophys. 2005;437(3):929-933 Curé, M. Rial, D.F. Cidale, L. Stars: early-type Stars: mass-loss Stars: rotation Stars: winds, outflows Bifurcation (mathematics) Ionization Mathematical models Optical bistability Parameter estimation Radiation Temperature measurement Velocity measurement Stars:early-type Stars:mass-loss Stars:rotation Stars:winds, outflows Astrophysics The effects of rapid rotation and bi-stability upon the density contrast between the equatorial and polar directions of a B[e] supergiant are re-investigated. Based on a new slow solution for different high rotational radiation-driven winds and the fact that bi-stability allows a change in the line-force parameters (α, k, and δ), the equatorial densities are about 102-104 times higher than the polar ones. These values are in qualitative agreement with the observations. © ESO 2005. Fil:Rial, D.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2005 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00046361_v437_n3_p929_Cure
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
topic Stars: early-type
Stars: mass-loss
Stars: rotation
Stars: winds, outflows
Bifurcation (mathematics)
Ionization
Mathematical models
Optical bistability
Parameter estimation
Radiation
Temperature measurement
Velocity measurement
Stars:early-type
Stars:mass-loss
Stars:rotation
Stars:winds, outflows
Astrophysics
spellingShingle Stars: early-type
Stars: mass-loss
Stars: rotation
Stars: winds, outflows
Bifurcation (mathematics)
Ionization
Mathematical models
Optical bistability
Parameter estimation
Radiation
Temperature measurement
Velocity measurement
Stars:early-type
Stars:mass-loss
Stars:rotation
Stars:winds, outflows
Astrophysics
Curé, M.
Rial, D.F.
Cidale, L.
Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds
topic_facet Stars: early-type
Stars: mass-loss
Stars: rotation
Stars: winds, outflows
Bifurcation (mathematics)
Ionization
Mathematical models
Optical bistability
Parameter estimation
Radiation
Temperature measurement
Velocity measurement
Stars:early-type
Stars:mass-loss
Stars:rotation
Stars:winds, outflows
Astrophysics
description The effects of rapid rotation and bi-stability upon the density contrast between the equatorial and polar directions of a B[e] supergiant are re-investigated. Based on a new slow solution for different high rotational radiation-driven winds and the fact that bi-stability allows a change in the line-force parameters (α, k, and δ), the equatorial densities are about 102-104 times higher than the polar ones. These values are in qualitative agreement with the observations. © ESO 2005.
format Artículo
Artículo
publishedVersion
author Curé, M.
Rial, D.F.
Cidale, L.
author_facet Curé, M.
Rial, D.F.
Cidale, L.
author_sort Curé, M.
title Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds
title_short Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds
title_full Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds
title_fullStr Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds
title_full_unstemmed Outflowing disk formation in B[e] supergiants due to rotation and bi-stability in radiation driven winds
title_sort outflowing disk formation in b[e] supergiants due to rotation and bi-stability in radiation driven winds
publishDate 2005
url http://hdl.handle.net/20.500.12110/paper_00046361_v437_n3_p929_Cure
work_keys_str_mv AT curem outflowingdiskformationinbesupergiantsduetorotationandbistabilityinradiationdrivenwinds
AT rialdf outflowingdiskformationinbesupergiantsduetorotationandbistabilityinradiationdrivenwinds
AT cidalel outflowingdiskformationinbesupergiantsduetorotationandbistabilityinradiationdrivenwinds
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