Evidence for pulsation in the hydrogen-deficient binary Upsilon Sagittarii

Details Evidence for pulsation in the hydrogen-deficient binary Upsilon Sagittarii Evidence for pulsation in the hydrogen-deficient binary Upsilon Sagittarii

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.222..543m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 222, Oct. 1, 1986, p. 543-547. Research supported by th

Other

12

Abundance, Eclipsing Binary Stars, Hydrogen, Light Curve, Ubv Spectra, Periodic Variations, Spectrum Analysis, Stellar Oscillations

Scientific paper

The authors present the first UBV light curves obtained for the
extremely hydrogen-deficient binary system Upsilon Sagittarii.
Preliminary analysis reveals a periodic variability on the time-scale of
21 day. It seems likely that other frequencies are involved.

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