PZ Aquilae: Period Changes in a Population II Cepheid
Volume 13 number 1 (1984)
- Derek Wallentinsen
- Maria Mitchell Observatory,
Abstract
The photometric behavior of the galactic variable PZ Aquilae is examined during the fifty years 1934 - 1983. Using photographic observations from the Maria Mitchell Observatory, two intervals of constant period were found. The current period is 8.7546 days.