Pulsation stability of helium-rich subdwarf B stars

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Helium-Rich Subdwarf B Stars, Pulsations, Photometry

Scientific paper

We present results of the pulsation monitoring of helium-rich subdwarf B
(He-sdB) stars using high-speed differential photometry observations
made with the SAAO (1.0m), NOT (2.6m) and the IAC80 (0.8m) telescopes.
Although we did not find a pulsator in our sample of He-sdB stars, some
of the stars show hints of pulsations which need further investigation.

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