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Oscillation spectra with regular patterns

Oscillation spectra with regular patterns. Bill Chaplin, School of Physics & Astronomy University of Birmingham. IAU Symposium 301, 2013 August 20. Ah! signatures of terrestrial seismology. Pulsations in the HR diagram. Aerts, Christensen-Dalsgaard & Kurtz (2009). .

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Oscillation spectra with regular patterns

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  1. Oscillation spectra with regular patterns Bill Chaplin, School of Physics & Astronomy University of Birmingham IAU Symposium 301, 2013 August 20

  2. Ah! signatures of terrestrial seismology

  3. Pulsations in the HR diagram Aerts, Christensen-Dalsgaard & Kurtz (2009) 

  4. CoRoT ground-based telescopes asteroseismic solar-type & red-giant targets

  5. Kepler asteroseismic solar-type & red-giant targets

  6. CoRoT Non-radial oscillations in red giants De Ridder et al. 2009, Nature 459, 398

  7. Asteroseismic KOI ensemble High-quality solar-like oscillations spectra of Kepler Objects of Interest

  8. Helioseismology: Sun as a star Detection of overtone spacing, low-degree p modes Courtesy T. Roca Cortés

  9. Solar-like oscillations in  Boo Equivalent width observations of Balmer lines Kjeldsen et al., 1995, AJ,109, 1313

  10. Kepler’s “best in class” The A-component of the solar-type binary 16 Cyg

  11. Regularity in  Scuti spectra? Analysis of CoRoT observations of HD174936 Garcia Hernandez et al., 2009, A&A, 506, 79

  12. Regularity in  Scuti spectra? Analysis of CoRoT observations of HD174936 Garcia Hernandez et al., 2009, A&A, 506, 79

  13. Guilty as charged…

  14. Toward automated peak-bagging of Sun-like stars Homogeneous analysis of 61 solar-type stars Appourchaux et al., 2012, A&A, 543, A54

  15. Modelling and fitting “background” Instrumental, activity, granulation, shot noise CoRoT HD169392A Mathur et al., 2013, A&A, 549, 12

  16. Kepler’s “best in class” The A-component of the solar-type binary 16 Cyg

  17. F-type star syndrome The prototypical “Bl**dy F star” HD49933 1200 1400 1600 1800 2000 2200 2400 Frequency (Hz) Appourchaux et al., 2008, A&A, 488, 705 Benomar et al., 2009, A&A, 507, L13

  18. F-type star syndrome Bl**dy F stars F-type star HD49933 G-type star 16 Cyg A

  19. Which one are you? Bayesian vs. Frequentist Humour … and the nights flew by…

  20. Acoustic glitches The Sun Houdek & Gough MNRAS, 2007, 375, 861 MNRAS, 2011, 418, 1217

  21. Red giant HR 7349 Acoustic glitches Miglio et al., 2010, A&A, 520, L6 CoRoT Results The F-type star HD49933 Mazumdar et al., 2012, A&A, 540, A31

  22. Acoustic glitches Kepler results Examples: three solar-type stars Mazumdar et al., 2013, ApJ, submitted

  23. Buoyancy glitches CoRoT results B3V star HD 50320 Degroote et al., 2010, Nature, 464, 259

  24. main sequence Sequence of 1M stars main sequence sub giant Increasing radius sub giant red giant

  25. Mixed modes and avoided crossings in sub-giants KIC 6442183 Coupled oscillators See: Benomar et al., 2012, ApJ, 745, L33 Deheuvels & Michel, 2011, A&A, 535, A91

  26. Period spacings in red giants Mosser et al., 2012, A&A, 540, 143

  27. Frequency  (Hz) Automated analysis of red-giant oscillation spectra 130 120 Stello et al., 2013, ApJ, 765, L41 Mosser et al., 2011, A&A, 525, L9 110 100 20 40 60 1/ mod P (Hz)

  28. g-mode period spacings sdB stars Reed et al., 2011 MNRAS, 414, 2885

  29. Period spacings in red giants inertia ratio Christensen-Dalsgaard, 2011, arXiv:1110.5012

  30. PLATO

  31. End

  32. Automated analysis of red-giant oscillation spectra Frequency  (Hz) Stello et al., 2013, ApJ, 765, L41 Mosser et al., 2011, A&A, 525, L9 1/ mod P (Hz)

  33. Internal rotation of a subgiant Core rotates five-times faster than surface Deheuvels et al., 2012, ApJ, 756, 19

  34. Kepler-50 and Kepler-65 Two stars with multiple small planets Chaplin et al., 2013, ApJ, 766, 101

  35. Spin-orbit alignment Kepler 50 and 65: stars with multiple small planets Chaplin et al., 2013, ApJ, 766, 101

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