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Boundaries of the δ Scuti Instability Region

Published online by Cambridge University Press:  12 April 2016

Alexei A. Pamyatnykh
Alexei A. Pamyatnykh*
Affiliation:
Copernicus Astronomical Center, Bartycka 18, 00–716 Warsaw, Poland Institute of Astronomy, Pyatnitskaya Str. 48, 109017 Moscow, Russia

Extract

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With new data on stellar opacity and equation of state, we computed the theoretical blue edges of the classical instability strip in the vicinity of the main sequence. The results were compared with observational data on δ Scuti variables using various diagrams (HR, log g – log Teff, Mv – (b – y)0 and so on). An example of these diagrams is shown in Fig. 1. Detailed results can be found in Pamyatnykh (2000).

Type
Part 6. Variables Close to the Main Sequence
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 443
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Iglesias, C.A. & Rogers, F.J. 1996, ApJ, 464, 943 CrossRefGoogle Scholar
Pamyatnykh, A.A. 2000, in ASP Conf. Ser., 6th Vienna Workshop in Astrophysics; Delta Scuti and Related Stars, ed. Breger, M. & Montgomery, M. (San Francisco: ASP), in pressGoogle Scholar
Rodríguez, E., Lopez de Coca, P., Rolland, A., Garrido, R., & Costa, V. 1994, A&AS, 106, 21 Google Scholar