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Astron. Astrophys. Suppl. Ser.
Volume 128, Number 2, March I 1998
Page(s) 245 - 250
Published online 15 March 1998
DOI: 10.1051/aas:1998138

A&A Supplement series, Vol. 128, March I 1998, 245-250

Received May 6; accepted July 10, 1997

uvby photometry of the chemically peculiar stars AR Aurigae, 3 Hydrae, 49 Cancri, and BX Bootisgif

Saul J. Adelman

Send offprint request: S.J. Adelman
Department of Physics, The Citadel, 171 Moultrie Street, Charleston, SC 29409, U.S.A.


Differential Strömgren uvby photometric observations from the Four College Automated Photoelectric Telescope are presented for four Chemically Peculiar stars of the upper main sequence: the HgMn star binary AR Aurigae and the magnetic stars 3 Hydrae, 49 Cancri, and BX Bootis. AR Aurigae shows little variability except during the primary and secondary eclipses. The 11.305 day period of Maitzen et al. for 3 Hya is confirmed. A new period of 7.0501 days is found for 49 Cancri while a slightly refined period of 2.88756 days is derived for BX Boo.

keywords: stars: individual; AR Aurigae -- stars: individual; 3 Hydrae -- stars: individual; 49 Cancri -- stars: individual; BX Bootis -- stars: chemically peculiar

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