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Driving g-mode Pulsations in γ Doradus Variables

Published online by Cambridge University Press:  12 April 2016

J. A. Guzik ,
A. B. Kaye ,
P. A. Bradley ,
A. N. Cox  and
C. Neuforge
J. A. Guzik
Affiliation:
Applied Physics Division, X-2, MS B220, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
A. B. Kaye
Affiliation:
Applied Physics Division, X-2, MS B220, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
P. A. Bradley
Affiliation:
Applied Physics Division, X-2, MS B220, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
A. N. Cox
Affiliation:
Applied Physics Division, X-2, MS B220, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
C. Neuforge
Affiliation:
Applied Physics Division, X-2, MS B220, Los Alamos National Laboratory, Los Alamos, NM 87545, USA

Abstract

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We suggest that the modulation of radiative flux by convection at the base of a deep envelope convection zone during the pulsation cycle is responsible for driving high-order g modes with periods 0.4 to 3 d observed in γ Doradus variables.

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. 445 - 446
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Cox, A.N. 1993, in IAU Coll. 139, New Perspectives on Stellar Pulsation and Pulsating Variable Stars, ed. Nemec, J. M. & Matthews, J. M. (Cambridge: Cambridge Univ. Press), 107 Google Scholar
Cox, A.N., Starrfield, S.G., Kidman, R.B., & Pesnell, W.D. 1987, ApJ, 317, 303 CrossRefGoogle Scholar
Kaye, A. B., Handler, G., Krisciunas, K., Poretti, E., & Zerbi, F.M. 1999, PASP, 111, 840 Google Scholar
Kaye, A. B., Handler, G., Krisciunas, K., Poretti, E., & Zerbi, F.M. 2000, in these proceedings, p. 426CrossRefGoogle Scholar
Li, Y. 1992, A&A, 275, 145 Google Scholar
Pesnell, W.D. 1987, ApJ, 314, 598 Google Scholar
Pesnell, W.D. 1990, ApJ, 363, 227 Google Scholar