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Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/4646
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dc.contributor.authorThévenin, F-
dc.contributor.authorJasniewicz, G-
dc.contributor.authorParthasarathy, M-
dc.date.accessioned2009-07-16T13:40:54Z-
dc.date.available2009-07-16T13:40:54Z-
dc.date.issued2001-08-
dc.identifier.citationSzczerba, R. and Garny, S. K., eds., Post-AGB objects as a phase of stellar evolution, Astrophysics and Space Science Library, Vol. 265, Proceedings of the Torun Workshop held July 5 - 7, 2000, pp. 313 – 316en
dc.identifier.isbn0-7923-7145-3-
dc.identifier.urihttp://hdl.handle.net/2248/4646-
dc.descriptionRestricted Access-
dc.description.abstractHD 179821 (IRAS 19114+0002) is classified as a moderately metal-poor ([Fe/H] = - 0.5) post-AGB star of Teff = 5660 K and also as a very massive supergiant of Teff = 6750 K. Recent detailed studies of this star are not able to establish whether HD 179821 is a low mass star in post-AGB stage of evolution or a massive (30 Solar Mass) yellow supergiant caught in between RGB and Wolf Rayet phase (Reddy and Hrivnak (1999), Jura and Werner (1999), Thévenin et.al (2000)). Our LTE analysis of the spectrum of HD 179821 and the recent radio study of circumstellar envelope by Josselin and Lébre (2000) favours the hypothesis that it is a low mass star in post-AGB stage of evolution.en
dc.language.isoenen
dc.publisherKluwer Academic Publishersen
dc.relation.ispartofseriesAstrophysics and Space Science Library; Vol. 265-
dc.relation.urihttp://adsabs.harvard.edu/abs/2001ASSL..265..313Ten
dc.subjectHD 179821en
dc.subjectStar in Post-AGB Stageen
dc.titleThe evolutionary status of HD 179821en
dc.typeArticleen
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