The detection of small-amplitude variations in the extreme helium star LSS 3184

Details The detection of small-amplitude variations in the extreme helium star LSS 3184 The detection of small-amplitude variations in the extreme helium star LSS 3184

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.275..327k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 275, Issue 2, pp. 327-330.

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20

Stars: Chemically Peculiar, Stars: Individual: Lss 3184, Stars: Oscillations, Stars: Variables: Other

Scientific paper

A search for variability in the extreme helium star LSS 3184 shows at
least one frequency (period ~0.107d semi-amplitude ~0.01 mag in B) and
the first harmonic. This agrees with the prediction by Saio that the
star should pulsate, unless very metal-weak, due to the classical kappa
mechanism and the iron opacity bump near 2x10^5K.

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