1999/11/05 by T. R. Bedding, Bedding, T. R., B. C. Conn +3
Physics and Astronomy · #Astrophysics (astro-ph) #FOS: Physical sciences #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/9911070
4 pages with figures. To appear in Proc. IAU Colloquium 176, The Impact of Large-Scale Surveys on Pulsating Star Research, ASP Conf. Series, edited by L. Szabados and D.W. Kurtz
arxiv created 1999/11/05 · arxiv updated 2009/12/01
We use wavelets to investigate period and amplitude changes in Mira and semiregular variables and found a variety of behaviours. Period and amplitude changes often go together, perhaps because changes in amplitude are causing period changes via non-linear effects.