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 Bootis

Saul J. Adelman

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

Abstract:

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

• 1. Introduction
• 2. AR Aurigiae
• 3. 3 Hya
• 4. 49 Cancri
• 5. BX Boo
• 6. Final comments
• References