AR Herculis: Examination of Recent Behavior (Abstract)
Volume 20 number 1 (1991)
- Marvin E. Baldwin
- Butlerville, IN
Abstract
(Abstract only) Visual observation of 51 maxima of this RR Lyrae type star over a period of 1,800 days reveals a strong Blazhko effect and a major change of the fundamental period. New periods are determined for both the fundamental variation and for the secondary Blazhko variations.