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Title:
Herschel-PACS observations of Nebulae Ejected by Massive Stars
Authors:
Vamvatira-Nakou, Chloi; Royer, Pierre; Hutsemékers, Damien; Rauw, Gregor; Nazé, Yaël; Exter, Katrina; Waelkens, Christoffel; Groenewegen, Martin
Affiliation:
AA(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium), AB(Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Belgium), AC(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium), AD(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium), AE(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium), AF(Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Belgium), AG(Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Belgium), AH(Royal Observatory of Belgium)
Publication:
Société Royale des Sciences de Liège, Bulletin, vol. 80, p. 435-439 (Proceedings of the 39th Liège Astrophysical Colloquium, held in Liège 12-16 July 2010, edited by G. Rauw, M. De Becker, Y. Nazé, J.-M. Vreux, P. Williams)
Publication Date:
01/2011
Origin:
AUTHOR
Bibliographic Code:
2011BSRSL..80..435V

Abstract

The study of the nebulae ejected from Luminous Blue Variables and the circumstellar bubbles around Wolf-Rayet stars, which radiate strongly in the infrared due to the heating of dust, is crucial for the understanding of the massive stars evolution. With Herschel we are able to observe these objects in the far-infrared region. In the context of the Mass-loss from Evolved StarS guaranteed time key program, we obtained imaging and spectroscopic observations of nebulae associated with Luminous Blue Variable and Wolf-Rayet stars using PACS, one of the three instruments on-board Herschel. A description of these observations, data analysis and preliminary results are presented.
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