Ensemble Asteroseimology of 16,000 Kepler red giants Jie Yu 1,2 , - - PowerPoint PPT Presentation
Ensemble Asteroseimology of 16,000 Kepler red giants Jie Yu 1,2 , Tim Bedding 1,2 , Daniel Huber 1,2,3 , Dennis Stello 1,2,4 , and Marc Hon 4 1 . University of Sydney. 2. Aarhus University. 3. University of Hawaii, 4. University of New
Jie Yu1,2, Tim Bedding1,2, Daniel Huber1,2,3, Dennis Stello1,2,4, and Marc Hon4
2
4
misclassified as MS
unclassified in KIC
misclassified
as Subgiants
majority
0 5 10. 15
Comparison
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Hekker et al. 2011
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Hekker et al. 2011
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Huber et al. (2011). The correction factor f is determined using the method from Sharma et al. (2016)
Where
Masses and radii are inferred with the scaling relations:
Mathur et al. (2017)
mass loss ? uncertain scaling relations ?
Characterisation of power excess: Amp, Width, Granulation
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Characterisation of power excess: Amp, Width, Granulation
power excess width
granulation amplitude
from Mathur et al. (2017)
Kjeldsen & Bedding (2008)
Stello el al. (2011)
Mathur et al. (2017)
Pinsonneault et al. (2014)