Period variations in SX Phe stars: CY Aqr, DY Peg and HD 94033.
Abstract
An analysis of the times of maximum light of three SX Phe stars was carried out. The results support a monotonous decrement of the period which is consistent with the theoretical models of pre-white-dwarfs of 0.2 M_sun;.
- Publication:
-
Revista Mexicana de Astronomia y Astrofisica, vol. 14
- Pub Date:
- May 1987
- Bibcode:
- 1987RMxAA..14..429P
- Keywords:
-
- Delta Scuti Stars:Period Changes;
- Period Changes:Delta Scuti Stars