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RECENT ECLIPSES OF U CEPHEI
RICHARD C. CRAWFORD
Publications of the Astronomical Society of the Pacific
Vol. 91, No. 539 (February 1979), pp. 111-116
Published by: Astronomical Society of the Pacific
Stable URL: http://www.jstor.org/stable/40677456
Page Count: 6
You can always find the topics here!Topics: Eclipses, Mathematical minima, Light curves, B stars, G stars, Optical filters, Light, Keels, Observational astronomy, Binary systems
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Photoelectric observations of U Cep were obtained to determine times of minimum light for twelve eclipses between August 1975 and September 1977. Two minima in 1976 were distorted in the sense that the ingress halves of the light curves were displaced toward later times, producing anomalously late times of minimum light. This distortion is attributed to luminous matter above the trailing hemisphere of the hotter component, and the physical conditions in this matter are discussed.
Publications of the Astronomical Society of the Pacific © 1979 The University of Chicago Press