The Complicated Period Changes of IV Cygni

Volume 20 number 1 (1991)

Download this article (pdf)

Sandra M. Sweller
Maria Mitchell Observatory, Nantucket, MA 02554

Abstract

IV Cygni is a short-period RRab star with frequent period changes. Data spanning the years 1948-1990 are analyzed. Two previously known periods are confirmed, and four new periods are presented.