Period Changes in Pulsating Red Supergiant Stars: A Science and Education Project
John R. Percy
Department of Astronomy and Astrophysics, University of Toronto, Toronto ON Canada M5S 3H4
David G. Turner
Department of Astronomy and Physics, Saint Mary's University, Halifax NS B3H 3C3
Based on a paper presented at the 96th Fall Meeting of the AAVSO, Cambridge MA, November 3, 2007.
Received February 22, 2008; accepted March 26, 2008