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Photometry of Type II Cepheid Candidates from the ROTSE-I Demonstration Project
2007
Astronomical Journal
We have obtained VR photometry of 205 Cepheid variable star candidates that were discovered in a small section of the Northern Sky Variability Survey. Given their locations and apparent magnitudes, any stars in this sample that are Cepheids are very likely to be type II Cepheids. On the basis of the regularity of variation, revised periods, lightcurve morphology, slope of the color-magnitude relation, and color, we have identified 97 probable Cepheids and 17 possible Cepheids. While some of the
doi:10.1086/510353
fatcat:nbqggrsabjb3vb4xuef4csm4xu