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The MACHO Project Large Magellanic Cloud Variable Star Inventory. XI. Frequency Analysis of the Fundamental-mode RR Lyrae Stars

Alcock, Charles; Alves, David R; Becker, Andrew C; Bennett, D P; Cook, Kem H; Drake, Andrew J; Freeman, Kenneth; Geha, M; Griest, K; Kovacs, G; Lehner, M J; Marshall, S L; Minniti, Dante; Nelson, C A; Peterson, Bruce; Popowski, P; Pratt, M; Quinn, Peter J; Rodgers, Alexander; Stubbs, Christopher W; Sutherland, William J; Vandehei, T; Welch, D L

Description

We have frequency-analyzed 6391 variables classified earlier as fundamental-mode RR Lyrae (RRO) stars in the MACHO database on the Large Magellanic Cloud (LMC). The overwhelming majority (i.e., 96%) of these variables have been proved to be indeed RR0 stars, whereas the remaining ones have fallen into one of the following categories: single- and double-mode Cepheids, binaries, first-overtone and double-mode RR Lyrae stars, and nonclassified variables. Special attention has been paid to the...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/86961
Source: Astrophysical Journal, The
DOI: 10.1086/378689

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