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Paper: Oscillation Patterns of SX Phoenicis Variables in Globular Clusters
Volume: 203, The Impact of Large-Scale Surveys on Pulsating Star Research, IAU Colloquium 176
Page: 497
Authors: Petersen, J. O.; Quaade, M.; Andersen, M. I.; Freyhammer, L. M.
Abstract: Based on new analyses of light curves of SX Phoenicis variables in globular clusters and on results taken from the literature, an overview of oscillation patterns in this subgroup of δ Scuti variables is given. Belonging to the Blue Straggler stars, they are expected to have a more complicated life history than ``normal'' δ Scuti stars in the field or in open clusters. The overall picture is that the patterns found in this SX Phe group seem to be similar to the patterns that are well established for standard field δ Sct stars.
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