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2005PASP..117..928V - Publ. Astron. Soc. Pac., 117, 928-930 (2005/September-0)
Discovery of nonradial pulsations in PQ Andromedae.
VANLANDINGHAM K.M., SCHWARZ G.J. and HOWELL S.B.
Abstract (from CDS):
We have detected pulsations in time-series photometry of the WZ Sge dwarf nova PQ Andromedae. The strongest peak in the power spectrum occurs at a period of 10.5 minutes. Similar periods have been observed in other WZ Sge systems and are attributed to ZZ Ceti-type nonradial pulsations. There is no indication in the photometry of an approximately 1.7 hr orbital period, as reported in previous spectroscopic observations.
Abstract Copyright: ∼
Journal keyword(s): Stars: Binaries: Close - stars: dwarf novae - stars: individual (PQ Andromedae)
Simbad objects: 1
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