Photoelectric photometry of the dwarf cepheid AD CMi.

Astronomy and Astrophysics – Astronomy

Scientific paper

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Dwarf Cepheids:Light Curves, Dwarf Cepheids:Stroemgren Photometry, Light Curves:Dwarf Cepheids, Stroemgren Photometry:Dwarf Cepheids

Scientific paper

New uvbyβ photoelectric photometry of the dwarf cepheid AD CMi has been carried out. Six new times of maximum light have been obtained. Analysis of the times of maximum light suggests the possibility of a quadratic ephemeris for AD CMi. The following physical parameters have been determined: Te = 7550K, log g = 3.83 and MV = 1.68 mag. Wesselink's method provides a radius of 2.8 R_sun; and a mass of 1.9 M_sun;.

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