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Asteroseismology in Open Clusters

Published online by Cambridge University Press:  12 April 2016

S. Frandsen ,
M. Viskum ,
M.M. Hernandéz  and
J.A. Belmonte
S. Frandsen
Affiliation:
Institute of Physics and Astronomy, Aarhus University, Denmark
M. Viskum
Affiliation:
Institute of Physics and Astronomy, Aarhus University, Denmark
M.M. Hernandéz
Affiliation:
Institute de Astrofisica de Canarias, Tenerife, Spain
J.A. Belmonte
Affiliation:
Institute de Astrofisica de Canarias, Tenerife, Spain

Extract

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Within two groups or networks we are trying to build the observational fundamentals for better tests of stellar evolution. The first group is STACC (Small Telescope Array with CCD Cameras) and the second the EU HCM program ANTENA (involving institutes in Spain, France and Denmark).

The first information needed is photometric data. Colour-Luminosity diagrams and time series photometry must be obtained. The time series require extensive campaigns in order to give the high quality data needed for asteroseismology. Ideally one should have time series of several quantities (see Balona & Stobie 1979, Mantegazza et al. 1994).

The second type of observations is of spectroscopic nature. It is needed to ascertain membership of the stars in a given cluster and to check binarity. Also rotational velocities must be observed to help the attempt to identify the modes in 6 Scuti stars. Finally some information about metallicity and peculiarity is required.

Type
Part 2. Poster Papers
Information
International Astronomical Union Colloquium , Volume 155: Astrophysical Applications of Stellar Pulsation , 1995 , pp. 327 - 328
Copyright
Copyright © Astronomical Society of the Pacific 1995

References

Balona, L.A., & Stobie, R.S. 1979, MNRAS, 189, 649 CrossRefGoogle Scholar
Breger, M. 1990, in “Confrontation between stellar pulsation and evolution”, (eds.) Cacciari, C. & Clementini, G., ASP Conf. Ser. 11, 263 Google Scholar
Gilliland, R.L., & Brown, T.M. 1994, ARA&A, 32, 37 Google Scholar
Frandsen, S., Jones, A., Kjeldsen, H., et al. 1995, A&A, in pressGoogle Scholar
Kjeldsen, H., & Frandsen, S. 1992, PASP, 104, 413 CrossRefGoogle Scholar
Mantegazza, L., Poretti, E., & Bossi, M. 1994, A&A, 287, 95 Google Scholar