Wavelength Dependence and Long-Term Time Variation of Polarization of Three RV Tau Stars (Abstract)

Volume 29 number 1 (2001)

Hideo Sato

National Astronomical Observatory of Japan Mitaka, Tokyo 181-8588 Japan

Kazuo Yoshioka

The University of the Air Maebashi-shi, Gunma 371-0032 Japan

Keiichi Saijo

National Science Museum Shinjuku-ku, Tokyo 169-0073 Japan

Abstract

(Abstract only) The authors have studied polarimetric photometry data collected at Dodaira Observatory using a 91-cm eight-channel polarimeter. Three RV Tau stars (U Mon, SS Gem, and RV Tau) which show some interesting behavior in the light variation and pulsation period are discussed