Period Changes in the RR Lyrae Star IM Aquilae
Volume 10 number 2 (1981)
- Elizabeth Anne Lada
- Emilia P. Belserene
- Maria Mitchell Observatory,
Abstract
Maria Mitchell observations of the RR Lyrae (RRab) variable IM Aquilae confirm the size of the published decrease in period but show that a single, abrupt change must be rejected in favor of two changes or continuous change.