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Mining Sky Surveys for Astrophysically Interesting Variable Stars: The Cepheid Period Range
2009
AIP Conference Proceedings
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We have undertaken a project to discover new type I1 Cepheids in two large-area sky surveys. However, most of the candidates from the surveys differ from type I1 Cepheids in their amplitude and period distributions and they form a separate, cooler sequence relative to the Cepheids in a temperature-gravity plot. We refer to these objects as "Cepheid-lke" stars. Many e h b i t unstable pulsation which we illustrate with representative light curves.
doi:10.1063/1.3246581
fatcat:oev3fjrikndpxaq2aarn7s3gma