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http://hdl.handle.net/20.500.12386/32966
Title: | The nebulae around LBVs: a multiwavelength approach | Authors: | UMANA, Grazia Maria Gloria BUEMI, CARLA SIMONA TRIGILIO, CORRADO LETO, PAOLO Hora, Joseph L. Fazio, Giovanni |
Issue Date: | 2011 | Journal: | BULLETIN DE LA SOCIÉTÉ ROYALE DES SCIENCES DE LIÈGE | Number: | 80 | First Page: | 335 | Abstract: | We present first results of our study of a sample of Galactic LBV, aimed to contribute to a better understanding of the LBV phenomenon, by recovering the mass-loss history of the central object from the analysis of its associated nebula. Mass-loss properties have been derived by a synergistic use of different techniques, at different wavelengths, to obtain high-resolution, multi-wavelength maps, tracing the different emitting components coexisting in the stellar ejecta: the ionized/neutral gas and the dust. Evidence for asymmetric mass-loss and observational evidence of possible mutual interaction between gas and dust components have been observed by the comparison of mid-IR (Spitzer/IRAC, VLT/VISIR) and radio (VLA) images of the nebulae, while important information on the gas and dust composition have been derived from Spitzer/IRS spectra. | URI: | http://hdl.handle.net/20.500.12386/32966 | URL: | https://popups.uliege.be/0037-9565/index.php?id=2785 | ISSN: | 0037-9565 | Bibcode ADS: | 2011BSRSL..80..335U | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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document.pdf | PDF editoriale | 333.52 kB | Adobe PDF | View/Open |
1011.3730.pdf | arXiv | 285.69 kB | Adobe PDF | View/Open |
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