most citedCyclical period changes in HT Cas: a clear difference between systems above and below the period gap

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astro-ph2007★ 33 cited

Cyclical period changes in HT Cas: a clear difference between systems above and below the period gap

B. W. Borges, R. Baptista, C. Papadimitriou +1

We report the identification of cyclical changes in the orbital period of the eclipsing cataclysmic variable HT Cas. We measured new white dwarf mid-eclipse timings and combined wi…