Recent Data on IY Cygni
Volume 15 number 2 (1986)
- Margaret G. Lysaght
- Maria Mitchell Observatory,
Abstract
The Cepheid variable IY Cygni was studied, and its O-C curve was found to be a straight line when compared to the original elements found by A. A. Wachmann. The new elements are JD(max) = 244005.769(+/-0.056) + 21.75661(+/-0.00070) E. Possible change over time in the mean light curve are indicated.