THOMAS J. MOFFETT
Abstract
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Cepheids with periods around 15 days sometimes show a reversal, or dip, in their light curves near phase 0.85. The theoretical interpretation of this feature is still in doubt. We present a list of suspected dip Cepheids, accessible to small telescopes, which need additional photometry to verify the dip.
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Cepheids with periods around 15 days sometimes show a reversal, or dip, in their light curves near phase 0.85. The theoretical interpretation of this feature is still in doubt. We present a list of suspected dip Cepheids, accessible to small telescopes, which need additional photometry to verify the dip.
Key concepts: Cepheid variable, Photometry (optics), Physics, Astronomy, Astrophysics, Light curve, Stars