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Pulsation stability of helium-rich subdwarf B stars |
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| Authors: | A. Ahmad C.S. Jeffery J.-E. Solheim R. Østensen |
| Affiliation: | 1. Armagh Observatory, College Hill, Armagh, BT61 9DG, N. Ireland 2. Department of Physics, University of Troms?, 9037, Troms?, Norway 3. ING, 37800, Santa Cruz de La Palma, Canary Islands, Spain |
| Abstract: | 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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