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Paper: The case for U Carinae as a long-period Cepheid calibrator in a Galactic OB association
Volume: 4, The Extragalactic Distance Scale: Proceedings of the ASP 100th Anniversary Symposium
Page: 178
Authors: Turner, David G.
Abstract: The problems involved in using cluster and association Cepheids as distance calibrators are summarized, and an attempt to use the 39-day association Cepheid U Carinae as a long-period Cepheid calibrator is briefly reported. Car OB2 members consisting of three somewhat dissimilar spatial subgroups are identified. Values are given for the spatial extent of the U Car subgroup, and for the space reddening, mean distance modulus, and derived luminosity of U Car.
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