A new class of rapidly pulsating star - II. PB 8783

Details A new class of rapidly pulsating star - II. PB 8783 A new class of rapidly pulsating star - II. PB 8783

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997mnras.285..645k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 285, Issue 3, pp. 645-650.

Other

61

Binaries: General, Stars: Individual: Pb 8783, Stars: Oscillations, Stars: Variables: Other

Scientific paper

Some 27h of high-speed photometric monitoring of the sdB+star PB 8783 has revealed it to be a rapidly pulsating star of the EC 14026 class. Six periodicities in the range 120 to 135s have been tentatively identified in the light curve. The pulsation amplitudes of all the modes are small, mostly below 5mmag. Spectrograms show the star to be composite, and UBVRIJHK photometry indicates that the companion to the subdwarf is of early-F spectral type.

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