MBCAA Observatory

VX Hydrae: observation of a sudden change in a pulsating star

Observed: March 2005-April 2010

Michel Bonnardeau, Shawn Dvorak, Rudy Poklar, Gerard Samolyk
Published 20 Dec 2010


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.

Accepted for pulication in the JAAVSO.

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2010-2011 season and 2011-2012 season follow-up observations.
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