Photographic Studies of Neglected Variables, II: MO Aurigae, RY Canis Minoris, HI Geminorum, OO Puppis, and OP Puppis
Volume 24 number 2 (1996)
- David B. Williams
- 9270-A Racquetball Way
Abstract
Observations on Harvard patrol plates have been used to determine new or improved periods for the poorly studied eclipsing binaries MO Aur, RY CMi, and HI Gem and the Cepheid variable OO Pup. OP Pup is a previously unrecognized Cephied with a period of 2.6 days.