UVBY Photometry of the Magnetic Chemically Peculiar Stars HR 1297, 36 Aurigae, and HR 2722 and the Nonmagnetic Chemically Peculiar Stars HR 1576 and alpha CANCRI

Details UVBY Photometry of the Magnetic Chemically Peculiar Stars HR 1297, 36 Aurigae, and HR 2722 and the Nonmagnetic Chemically Peculiar Stars HR 1576 and alpha CANCRI UVBY Photometry of the Magnetic Chemically Peculiar Stars HR 1297, 36 Aurigae, and HR 2722 and the Nonmagnetic Chemically Peculiar Stars HR 1576 and alpha CANCRI

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998pasp..110.1304a&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 110, Issue 753, pp. 1304-1309.

Astronomy and Astrophysics

Astronomy

9

Stars: Chemically Peculiar, Stars: Individual: Constellation Name: 36 Aurigae, Stars: Individual: Constellation Name: Alpha Cancri, Stars: Individual: Bright Star Number: Hr 1297, Stars: Individual: Bright Star Number: Hr 1576, Stars: Individual: Bright Star Number: Hr 2722

Scientific paper

Differential Strömgren uvby photometric observations from the Four College Automated Photoelectric Telescope are presented for the magnetic CP stars HR 1297, 36 Aur, and HR 2722 and the nonmagnetic CP stars HR 1576 and alpha Cnc. Both the moderately rotating HR 1576, a mercury-manganese star, and alpha Cnc, a metallic-line star, are nonvariable. For HR 1297 we refined Winzer's period to 1.06457 days. Our period of 14.366 days for 36 Aur is an alias of Winzer's period and is in keeping with the sharp-lined nature of this star. We found a more accurate period of 2.31523 days for the low-amplitude variable HR 2722.

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