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Wind properties of variable B supergiants Evidence of pulsations connected with mass-loss episodes
| Indexado |
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| DOI | 10.1051/0004-6361/201731678 | ||||
| Año | 2018 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
Conclusions. Our results also suggest that radial pulsation modes with periods longer than 6 days might be responsible for the wind variability in the mid/late-type. These radial modes might be identified with strange modes, which are known to facilitate (enhanced) mass loss. On the other hand, we propose that the wind behaviour of stars on the cool side of the bi-stability jump could fit with predictions of the delta-slow hydrodynamics solution for radiation-driven winds with highly variable ionization.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Haucke, Maximiliano | Hombre |
UNIV NACL LA PLATA - Argentina
CONICET UNLP - Argentina Universidad Nacional de La Plata - Argentina Instituto de Astrofísica de La Plata (CONICET- Universidad Nacional de La Plata) - Argentina Instituto de Astrofisica de La Plata - Argentina |
| 2 | Cidale, Lydia | Mujer |
UNIV NACL LA PLATA - Argentina
CONICET UNLP - Argentina Universidad de Valparaíso - Chile Universidad Nacional de La Plata - Argentina Instituto de Astrofísica de La Plata (CONICET- Universidad Nacional de La Plata) - Argentina Instituto de Astrofisica de La Plata - Argentina |
| 3 | Venero, Roberto | Hombre |
UNIV NACL LA PLATA - Argentina
CONICET UNLP - Argentina Universidad Nacional de La Plata - Argentina Instituto de Astrofísica de La Plata (CONICET- Universidad Nacional de La Plata) - Argentina Instituto de Astrofisica de La Plata - Argentina |
| 4 | CURE-OJEDA, MICHEL | Hombre |
Universidad de Valparaíso - Chile
|
| 5 | Kraus, M. | Mujer |
Akad Ceske Republiky Vvi - República Checa
Tartu Observ - Estonia Academy of Sciences of the Czech Republic - República Checa Tartu Observatoorium - Estonia |
| 6 | Kanaan, Samer | Hombre |
Universidad de Valparaíso - Chile
|
| 7 | ARCOS-HERRERA, CAROL ELIZABETH | Mujer |
Universidad de Valparaíso - Chile
|
| Fuente |
|---|
| Agencia Nacional de Promoción Científica y Tecnológica |
| CONICET |
| Universidad Nacional de La Plata |
| National Science Foundation |
| GACR |
| Comisión Nacional de Investigación Científica y Tecnológica |
| European Regional Development Fund |
| UNLP |
| Estonian Ministry of Education and Research |
| Comisión Nacional de Investigación CientÃfica y Tecnológica |
| Centro de Astrofísica y Tecnologías Afines |
| Centro de Astrofisica de Valparaiso |
| Agencia Nacional de Promoción CientÃfica y Tecnológica |
| Centro de AstrofÃsica y TecnologÃas Afines |
| Haridus- ja Teadusministeerium |
| project CONICYT + PAI/Atraccion de capital humano avanzado del extranjero |
| Programa de Incentivos of the Universidad Nacional de La Plata (UNLP), Argentina |
| International Cooperation of the Czech Republic and Argentina |
| La Agencia Nacional de Promocion Cientifica y Tecnologica |
| European Union European Regional Development Fund, project "Benefits for Estonian Society from Space Research and Application" (KOMEET) |
| International Cooperation of the Czech Republic |
| Agradecimiento |
|---|
| We thanks our anonymous referee for the helpful comments and suggestions. We also want to acknowledge J. Puls for allowing us to use the FASTWIND code, for his help and advice with the code, and for the fruitful suggestions. This research has also made use of the SIMBAD database, operated at CDS, Strasbourg, France, and the International Variable Star Index (VSX) database, operated at AAVSO, Cambridge, Massachusetts, USA. L.C. and M.C. acknowledge support from the project CONICYT + PAI/Atraccion de capital humano avanzado del extranjero (folio PAI80160057). L.C. also acknowledges financial support from CONICET (PIP 0177), La Agencia Nacional de Promocion Cientifica y Tecnologica (PICT 2016-1971) and the Programa de Incentivos (G11/137) of the Universidad Nacional de La Plata (UNLP), Argentina. R.V. is grateful for the finantial support from the UNLP under programme PPID/G003. M.C., S.K., and C.A. acknowledge support from Centro de Astrofisica de Valparaiso. C.A. also thanks BECAS DE DOCTORADO NACIONAL CONICYT 2016-2017. M.K. acknowledges support from GACR (17-02337S). The Astronomical Institute Ondrejov is supported by the project RVO:67985815. This work was partly supported by the European Union European Regional Development Fund, project "Benefits for Estonian Society from Space Research and Application" (KOMEET, 2014 - 2020.4.01.16 - 0029), and by the institutional research funding IUT40 - 1 of the Estonian Ministry of Education and Research. Financial support for International Cooperation of the Czech Republic and Argentina (AVCR-CONICET/14/003) is acknowledged. |
| Acknowledgements. We thanks our anonymous referee for the helpful comments and suggestions. We also want to acknowledge J. Puls for allowing us to use the FASTWIND code, for his help and advice with the code, and for the fruitful suggestions. This research has also made use of the SIMBAD database, operated at CDS, Strasbourg, France, and the International Variable Star Index (VSX) database, operated at AAVSO, Cambridge, Massachusetts, USA. L.C. and M.C. acknowledge support from the project CONICYT + PAI/Atracción de capital humano avanzado del extranjero (folio PAI80160057). L.C. also acknowledges financial support from CONICET (PIP 0177), La Agencia Nacional de Promo-ción Científica y Tecnológica (PICT 2016-1971) and the Programa de Incentivos (G11/137) of the Universidad Nacional de La Plata (UNLP), Argentina. R.V. is grateful for the finantial support from the UNLP under programme PPID/G003. M.C., S.K., and C.A. acknowledge support from Centro de Astrofísica de Val-paraíso. C.A. also thanks BECAS DE DOCTORADO NACIONAL CONICYT 2016-2017. M.K. acknowledges support from GACˇ R (17-02337S). The Astronomical Institute Ondˇejov is supported by the project RVO:67985815. This work was partly supported by the European Union European Regional Development Fund, project “Benefits for Estonian Society from Space Research and Application” (KOMEET, 2014 - 2020. 4. 01. 16 - 0029), and by the institutional research funding IUT40 − 1 of the Estonian Ministry of Education and Research. Financial support for International Cooperation of the Czech Republic and Argentina (AVCR-CONICET/14/003) is acknowledged. |
