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research article
Non-linear behaviour of the pulsating white dwarf G29-38 - I.Evolution of the temporal spectrum
Vuille, François
An analysis of the evolution of the amplitude spectrum over many seasons of the DA pulsating white dwarf G29-38 has been performed. Neither beating nor resonant mode coupling can account for the observed appearance and disappearance of modes, although some of them clearly grow while others get damped. Therefore some unknown non-adiabatic, non-linear process has to be invoked that affects both the mode selection mechanism and the driving efficiency on a time-scale as short as a day.
Type
research article
Authors
Vuille, François
Publication date
2000
Volume
313
Start page
170
End page
178
Peer reviewed
NON-REVIEWED
EPFL units
Available on Infoscience
July 5, 2016
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