[en] Thanks to the CoRoT and Kepler spacecrafts, scaling relations (linking seismic indices and global stellar parameters) are becoming the cornerstone of ensemble asteroseismology. Among them, the relation between the cut-off frequency and the frequency of the maximum in the power spectrum of solar-like pulsators as well as the relation between mode lifetime and the effective temperature remain poorly understood. However, a solid theoretical background is essential to assess the accuracy of those relations and subsequently of the derived stellar parameters. We will thus present recent advances on the understanding of the underlying mechanisms governing those relations and show that the physics of mode lifetime (thus of mode damping) plays a major role.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Belkacem, K.; LESIA, UMR8109, Observatoire de Paris, Université Pierre et Marie Curie, Université Denis Diderot, 92195, Meudon Cedex, France
Appourchaux, T.; Institut d'Astrophysique Spatiale, CNRS, Université Paris XI, 91405, Orsay Cedex, France
Baudin, F.; Institut d'Astrophysique Spatiale, CNRS, Université Paris XI, 91405, Orsay Cedex, France
Goupil, M. J.; LESIA, UMR8109, Observatoire de Paris, Université Pierre et Marie Curie, Université Denis Diderot, 92195, Meudon Cedex, France
Marques, J. P.; Georg-August-Universität Göttingen, Institut für Astrophysik, Friedrich-Hund-Platz 1, 37077, Göttingen, Germany
Noels-Grötsch, Arlette ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Samadi, R.; LESIA, UMR8109, Observatoire de Paris, Université Pierre et Marie Curie, Université Denis Diderot, 92195, Meudon Cedex, France)
Language :
English
Title :
Mode lifetime and associated scaling relations
Publication date :
01 March 2013
Event name :
40th Liège International Astrophysical Colloquium. Ageing Low Mass Stars: From Red Giants to White Dwarfs
A. Baglin, M. Auvergne, P. Barge, M. Deleuil, C. Catala, E. Michel, W. Weiss, COROT Team, Scientific Objectives for a Minisat: CoRoT, in ESA Special Publication, edited by M. Fridlund, A. Baglin, J. Lochard, L. Conroy (2006), Vol. 1306 of ESA Special Publication, p. 33
A. Baglin, M. Auvergne, L. Boisnard, T. Lam-Trong, P. Barge, C. Catala, M. Deleuil, E. Michel, W.Weiss, CoRoT: a high precision photometer for stellar ecolution and exoplanet finding, in 36th COSPAR Scientific Assembly (2006), Vol. 36 of COSPAR Meeting, p. 3749
E.Michel, A. Baglin,M. Auvergne, C. Catala, R. Samadi, F. Baudin, T. Appourchaux, C. Barban, W.W. Weiss, G. Berthomieu et al., Science 322, 558 (2008), 0812.1267
W.J. Borucki, D. Koch, G. Basri, N. Batalha, T. Brown, D. Caldwell, J. Caldwell, J. Christensen-Dalsgaard, W.D. Cochran, E. DeVore et al., Science 327, 977 (2010)
H. Kjeldsen, T.R. Bedding, A&A 293, 87 (1995), arXiv:astro-ph/9403015
B. Mosser, K. Belkacem, M.J. Goupil, A. Miglio, T. Morel, C. Barban, F. Baudin, S. Hekker, R. Samadi, J. De Ridder et al., A&A 517, A22 (2010), 1004.0449
F. Baudin, C. Barban, K. Belkacem, S. Hekker, T. Morel, R. Samadi, O. Benomar, M.J. Goupil, F. Carrier, J. Ballot et al., A&A 529, A84 (2011), 1102.1896
B. Mosser, C. Barban, J. Montalbán, P.G. Beck, A. Miglio, K. Belkacem, M.J. Goupil, S. Hekker, J. De Ridder, M.A. Dupret et al., A&A 532, A86 (2011), 1105.6113
B. Mosser, K. Belkacem, M.J. Goupil, E.Michel, Y. lsworth, C.Barban, T. allinger, S. Hekker, J.De Ridder, R. amadi et al., A&A 525, L9 (2011), 1011.1928
B. Mosser, M.J. Goupil, K. Belkacem, E.Michel, D. Stello, J.P.Marques, Y. Elsworth, C. Barban, P.G. Beck, T.R. Bedding et al., A&A 540, A143 (2012), 1203.0689
B. Mosser, Y. Elsworth, S. Hekker, D. Huber, T. Kallinger, S. Mathur, K. Belkacem, M.J. Goupil, R. Samadi, C. Barban et al., A&A 537, A30 (2012), 1110.0980
R. Samadi, K. Belkacem, M.A. Dupret, H.G. Ludwig, F. Baudin, E. Caffau, M.J. Goupil, C. Barban, A&A 543, A120 (2012), 1205.4846
F. Baudin, R. Samadi, M.J. Goupil, T. Appourchaux, C. Barban, P. Boumier, W.J. Chaplin, P. Gouttebroze, A&A 433, 349 (2005)
W.J. Chaplin, G. Houdek, Y. Elsworth, D.O. Gough, G.R. Isaak, R. New, MNRAS 360, 859 (2005)
K. Belkacem, R. Samadi, M.J. Goupil, F. Kupka, F. Baudin, A&A 460, 183 (2006), arXiv:astro-ph/0607570
G. Houdek, N.J. Balmforth, J. Christensen-Dalsgaard, D.O. Gough, A&A 351, 582 (1999), arXiv:astro-ph/9909107
W.J. Chaplin, G. Houdek, T. Appourchaux, Y. Elsworth, R. New, T. Toutain, A&A 485, 813 (2008), 0804.4371
K. Belkacem, M.J. Goupil, M.A. Dupret, R. Samadi, F. Baudin, A. Noels, B. Mosser, A&A 530, A142 (2011), 1104.0630
K. Belkacem, M.A. Dupret, F. Baudin, T. Appourchaux, J.P. Marques, R. Samadi, A&A 540, L7 (2012), 1203.1737
T. Appourchaux, O. Benomar, M. Gruberbauer, W.J. Chaplin, R.A. García, R. Handberg, G.A. Verner, H.M. Antia, T.L. Campante, G.R. Davies et al., A&A 537, A134 (2012), 1112.3295
J.P. Cox, Reports on Progress in Physics 37, 563 (1974)
J.P. Cox, Theory of stellar pulsation (1980)
J.P. Cox, R.T. Giuli, Principles of stellar structure (1968)
A.A. Pamyatnykh, Acta Astron. 49, 119 (1999)
W.J. Chaplin, G. Houdek, C. Karoff, Y. Elsworth, R. New, A&A 500, L21 (2009), 0905.1722
F. Baudin, C. Barban, K. Belkacem, S. Hekker, T. Morel, R. Samadi, O. Benomar, M.J. Goupil, F. Carrier, J. Ballot et al., A&A 535, C1 (2011)
E. Corsaro, D. Stello, D. Huber, T.R. Bedding, A. Bonanno, K. Brogaard, T. Kallinger, O. Benomar, T.R. White, B. Mosser et al., ApJ 757, 190 (2012), 1205.4023
G. Houdek, ArXiv e-prints (2012), 1201.0194
A. Grigahcène, M.A. Dupret, M. Gabriel, R. Garrido, R. Scuflaire, A&A 434, 1055 (2005)
M.H. Pinsonneault, D. An, J. Molenda-? Zakowicz, W.J. Chaplin, T.S. Metcalfe, H. Bruntt, ApJS 199, 30 (2012), 1110.4456
L. Casagrande, L. Portinari, C. Flynn, MNRAS 373, 13 (2006), arXiv:astro-ph/0608504
L. Casagrande, I. Ramírez, J. Meléndez, M. Bessell, M. Asplund, A&A 512, A54 (2010), 1001.3142
