FCAPT uvby Photometry of the mCP Stars HD 20629, HR 3724, 45 Leo, and HD 192678

Details FCAPT uvby Photometry of the mCP Stars HD 20629, HR 3724, 45 Leo, and HD 192678 FCAPT uvby Photometry of the mCP Stars HD 20629, HR 3724, 45 Leo, and HD 192678

Jan 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006pasp..118...77a&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 118, Issue 839, pp. 77-83.

Astronomy and Astrophysics

Astronomy

8

Stars: Chemically Peculiar, Stars: Individual (Hd 20629), Stars: Individual (Hr 3724), Stars: Individual (45 Leo), Stars: Individual (Hd 192678)

Scientific paper

The Four College Automated Photoelectric Telescope obtained differential Strömgren uvby observations of the magnetic chemically peculiar (mCP) stars HD 20629, HR 3724, 45 Leo, and HD 192678. HD 20629, a moderately large amplitude variable, has a period of 2.9934 days. Analyses of this new photometry with published uvby values show that HR 3724 and 45 Leo had periods of 33.984 and 1.44404 days, respectively, for at least 30 yr. New observations of HD 192678 refine the period of this small-amplitude variable to 6.4193 days.

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