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Pulsation of AGB stars in the Small Magellanic Cloud cluster NGC 419

Kamath, Devika; Wood, Peter R; Soszyński, Igor; Lebzelter, Thomas

Description

The intermediate-age Magellanic Cloud clusters NGC 1978 and 419 are each found to contain substantial numbers of pulsating asymptotic giant branch (AGB) stars, both oxygen rich and carbon rich. Each cluster also contains two pulsating AGB stars which are infrared sources with a large mass-loss rate. Pulsation masses have been derived for the AGB variables, from the lowest luminosity O-rich variables to the most evolved infrared sources. It is found that the stars in NGC 1978 have a mass of 1.55...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/38207
Source: Memorie Della Societa Astronomica Italiana

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