A Pulsational Study of V823 Cas

Details A Pulsational Study of V823 Cas A Pulsational Study of V823 Cas

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20921605w&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #216.05; Bulletin of the American Astronomical Society,

Astronomy and Astrophysics

Astronomy

Scientific paper

V823 Cas is a triple mode pulsating variable, thought to be pulsating in the fundamental, first and second overtone modes. It is one of only a handful of such stars known to exist in our galaxy, along with AC And, and V829 Aql. The period ratios for V823 Cas, P1/P0 and P2/P1, can be used to derive a range of metallicity, mass, luminosity and temperature values appropriate for the star. We used linear non-adiabatic static pulsation models to determine the parameter space that this star appears to be in, and we will compare these values to the known physical characteristics of the star and stellar evolution models.

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