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Solving the mode identification problem in asteroseismology of F stars observed with Kepler by White, Timothy R.; Bedding, Timothy R.; Gruberbauer, Michael; Benomar, Othman; Stello, Dennis; Appourchaux, Thierry; Chaplin, William J.; Christensen-Dalsgaard, Jørgen; Elsworth, Yvonne P.; García, Rafael A.; Hekker, Saskia; Huber, Daniel; Kjeldsen, Hans; Mosser, Benoît; Kinemuchi, Karen; Mullally, Fergal; Still, Martin is a scholarly article available to read on EtoBox.

What is Solving the mode identification problem in asteroseismology of F stars observed with Kepler about?

Asteroseismology of F-type stars has been hindered by an ambiguity in identification of their oscillation modes. The regular mode pattern that makes this task trivial in cooler stars is masked by increased linewidths. The absolute mode frequencies, encapsulated in the asteroseismic variable epsilon, can help solve this impasse because the values of epsilon implied by the two possible mode identifications are distinct. We find that the correct epsilon can be deduced from the effective temperature and the linewidths and we apply these methods to a sample of solar-like oscillators observed with Kepler.

Author

White, Timothy R.; Bedding, Timothy R.; Gruberbauer, Michael; Benomar, Othman; Stello, Dennis; Appourchaux, Thierry; Chaplin, William J.; Christensen-Dalsgaard, Jørgen; Elsworth, Yvonne P.; García, Rafael A.; Hekker, Saskia; Huber, Daniel; Kjeldsen, Hans; Mosser, Benoît; Kinemuchi, Karen; Mullally, Fergal; Still, Martin

Published

2012

Language

EN