Mass transfer in TV Cassiopeiae

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Binary Stars, Cassiopeia Constellation, Mass Transfer, Stellar Mass Ejection, Variable Stars, Astrophysics, Dynamic Stability, Periodic Variations

Scientific paper

The period variations of TV Cassiopeiae between 1901 and 1977 are discussed in the light of the period-change model proposed by Biermann and Hall (1973). During each period decrease 4.0 millionths of a solar mass is transferred from the secondary star to the primary. The average observable mass-transfer rate is found to be 430 billionths of a solar mass per year. This average rate corresponds to the thermal time scale of the mass-losing star.

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