VX Hydrae: Observation of a Sudden Change in a Pulsating Star
Volume 39 number 1 (2011)
- Michel Bonnardeau
- 116 Jonquille Arzelier, 38650 Chateau-Bernard, France; arzelier1@free.fr
- Shawn Dvorak
- Rolling Hills Observatory, 1643 Nightfall Drive, Clermont, FL 34711; sdvorak@cfl.rr.com
- Rudy Poklar
- 14084 N. Willow Bend Drive, Tucson, AZ 85737; rfpoklar@aol.com
- Gerard Samolyk
- P.O. Box 20677; Greenfield, WI 53220; gsamolyk@wi.rr.com
Abstract
Time-series of VX Hya from March 2005 to April 2010 are analyzed. A period jump is discovered to happen in 2008 in all the pulsation modes, being at its strongest for the overtone.