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Semiregular variables with periods lying between the period-luminosity sequences C', C, and D

Soszynski, I.; Wood, Peter R


We analyze the distribution of semiregular variables and Mira stars in the period-luminosity plane. Our sample consists of 6169 oxygen-rich long-period variables in the Large Magellanic Cloud included in the OGLE-III Catalog of Variable Stars. There are many stars with periods that lie between the well-known sequences C and C′. Most of these stars are multi-periodic and the period ratios suggest that these stars oscillate in the same mode as the sequence C stars. Models suggest that this mode...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/763/2/103
Access Rights: Open Access


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