ST Ursae Majoris: An Interesting Binocular Variable Star
Volume 15 number 2 (1986)
- Christopher P. Stephan
- Science Department, Sebring
Abstract
Observations of the semiregular star, ST Ursae Majoris, show an approximate period of 81 days. However, there are occasions when the period is as long as approximately 120 days or as short as approximately 60 days. In 1980 - 81, one cycle lasted approximately 150 days.