Release 11.12 ("Hergest Ridge")


Gclusters :: Bibliographic item "gc506"

Article ID: gc506
AuthorJurcsik, J. et al.
TitleOvertone and Multi-mode RR Lyrae Stars in the Globular Cluster M3
JournalThe Astrophysical Journal Supplement Series, Volume 219, Issue 2, article id. 25, 26 pp.
Year of publication2015 (on gclusters from 2015-12-17 10:43:54 )
AbstractThe overtone and multi-mode RR Lyrae stars in the globular cluster M3 are studied (...) 70% of the 52 overtone variables observed show some kind of multi-periodicity (...). A signal at the 0.587 frequency ratio to the fundamental-mode frequency is detected in the double-mode star, V13, which may be identified as the second radial overtone mode. If this mode identification is correct, than V13 is the first RR Lyrae star showing triple-mode pulsation of the first three radial modes. (...) The changes of the Blazhko and double-mode properties of the stars are also reviewed using the recent and archive photometric data.
Also available at:http://arxiv.org/abs/1504.06215
TagsNGC 5272

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