uvby photometry of 2 Am and 2 mCP stars (Adelman+, 2003)

Details uvby photometry of 2 Am and 2 mCP stars (Adelman+, 2003) uvby photometry of 2 Am and 2 mCP stars (Adelman+, 2003)

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..34010357a&link_type=abstract

VizieR On-line Data Catalog: J/A+A/401/357. Originally published in: 2003A&A...401..357A

Physics

Stars: Peculiar, Stars: Am, Photometry: Uvby

Scientific paper

Differential Stroemgren uvby observations from the Four College Automated Photoelectric Telescope (FCAPT) are presented for the metallic-lined stars 60 Tau and HR 1528 and the magnetic Chemically Peculiar stars HR 8216 and HR 8770. The first star, which is a {delta} Scuti variable, was found not to change its mean magnitudes. HR 1528 is best described as constant. A decade of photometry of HR 8216 shows that its b and y values have changed by -0.016 and -0.010mag, respectively, over this time and now can be considered a photometric variable. For HR 8770 a period of 5.3923 days is derived with the photometric variability being generally in phase. The light curves also suggest possible surface abundance inhomogeneities.
(5 data files).

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