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European Workshop on White Dwarfs ASP Conference Series, Vol. 999, 2005
 

Summary: 14th
European Workshop on White Dwarfs
ASP Conference Series, Vol. 999, 2005
D. Koester, S. Moehler
Mode identification in pulsating sdB stars from ultracam
observations.
C.S Jeffery,1, V.S. Dhillon,2 T.R. Marsh,3 and B. Ramachandran1
1Armagh Observatory, Armagh BT61 9DG, UK
2 Dept. of Physics and Astronomy, University of Sheffield, Sheffield S3
7RH, UK
3 Dept. of Physics, University of Warwick, Coventry CV4 7AL, UK
Abstract. We present high-speed multicolour photometry for two pulsating
subdwarf B stars, KPD 2109+4401 and HS 0039+4302. The pulsation properties
are compared with models for evolved extended horizontal branch stars.
Jeffery et al. (2004) have presented high-speed multicolour photometry for
two pulsating subdwarf B stars, KPD 2109+4401 and HS 0039+4302. Since the
results have already been published in full, we present here only a brief summary
of the principal conclusions.
Observations were obtained using the high-speed multi-channel photometer
ultracam on the 4.2m William Herschel Telescope with sampling intervals of

  

Source: Armagh Observatory

 

Collections: Physics