Precision Stellar Astrophysics and Galactic Archaeology

Transcription

1 Precision Stellar Astrophysics and Galactic Archaeology FINAL REPORT January 12 - April Jo Bovy, Charlie Conroy, Juna Kollmeier, Marc Pinsonneault

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6 1. Gyroseismochronology of KOIs: do planets break the clock? T. Ceillier, J. van Saders, R. A. Garcia, T.S. Metcalfe, O. Creevey, S. Mathis, S. Mathur, M.H. Pinsonneault, D. Salabert and J. Tayar Submitted to MNRAS (2nd tour with the referee) 2. Strong Internal Magnetic Fields Explain Suppressed Oscillation Modes in Red Giant Stars J. Fuller, M. Cantiello, D. Stello R.A. Garcia and L. Bildsten Submitted to Science 3. Faulty Clocks and Failing Fields: Anomalous Stellar Rotation in Old Field Stars Jennifer L. van Saders, Tugdual Ceillier, Travis S. Metcalfe, Victor Silva Aguirre, Marc H. Pinsonneault, Rafael A. Garcia, Savita Mathur, Guy R. Davies Submitted to Nature 4. Dynamo-generated magnetic fields common in the con- vective cores of intermediate-mass stars

7 Dennis Stello, Matteo Cantiello, Jim Fuller, Daniel Huber, Rafael A. Garcia, Tim Bedding, Lars Bildsten, Victor Silva Aguirre. Submitted to Nature 5. Surface rotation of Kepler red giants stars T. Ceillier, J. Tayar, D. Salabert, S. Mathur, R. A. Garcıa, M.H. Pinsonneault, J. van Saders, P. Beck1, and S. Bloemen. To be submitted to A&A in July 6. Probing the deep end of the milky way with Kepler: Asteroseismic Analysis of 900 red giants misclassified as cool dwarfs S. Mathur, R.A. Garcia, D. Huber, C. Regulo,D. Stello, P. Beck and K. Houmani To be submitted ApJ. in August 7. Testing of Kepler Asteroseismic Results Against Predictions of a Stellar Population Synthesis Based Model of the Milky Way Sanjib Sharma, Dennis Stello, Joss Bland-Hawthorn, Dan Huber, Tim Bedding, Bill Chaplin, 2015, Astrophysical Journal, submitted 8. Dwarf Galaxies -- The Lowest Mass Relics from Before Reionization Bland-Hawthorn, J., Sutherland, R.S. & Webster, D. 2015, Astrophysical Journal, submitted 9. Chemical Tagging in the Milky Way Ting, Conroy, Rix, 2015 in prep 10. Beacons in the Dark: Using Novae and Supernovae to Detect Dwarf Galaxies in the local Universe Charlie Conroy & James Buullock, 2015, ApJL, 805, 2C 11. Asteroseismology with Euclid Gould, A., Huber, D. & Stello, D. 2015, JKAS, submitted. 12. Stellar substructures in the solar neighbourhood: IV. Kinematic Group 1 in the Geneva-Copenhagen survey R. Zˇ enoviene, G. Tautvaisˇiene, B. Nordstro m, E. Stonkute, and G. Barisevicˇius, A&A 576, A113 (2015) 13. The Role of Binaries in the Enrichment of the Early Galactic halo I. The r-process-enhanced extremely metal-poor stars T. Hansen, J. Andersen, B. Nordström and T. C. Beers: To be submitted to A&A in 2-3 days (June 2015) 14. Formation of carbon enhanced metal-poor stars: Abundances of light and neutron capture elements

8 C.J. Hansen, B. Nordström, C.R. Kennedy, V.M. Placco, T.C. Beers, T. T. Hansen, and C. Chiappini To be submitted to A&A (June 2015) 15. Observational Evidence of Chemical Evolution of the Milky Way (in Danish) Birgitta Nordström: 16. Asteroseismic Fingerprints of Rotation and Mixing in the Slowly Pulsating B8 V Star KIC Papics, P.I., Tkachenko, A., Aerts, C., Van Reeth, T., De Smedt, K., Hillen, M., Ostensen, R., Moravveji, E. 17. The Stellar Population Structure of the Galactic Disk Jo Bovy, Hans-Walter Rix, et al., to be submitted 18. On Galactic phase-space inference in the presence of dust extinction Jo Bovy, et al., to be submitted 19. Spiral and bar driven peculiar velocities in Milky Way sized galaxy simulations Robert Grand, Jo Bovy, Daisuke Kawata, et al., submitted to MNRAS (arxiv: ) 20. KIC : An eccentric binary system containing two pressure and gravity mode hybrid pulsators Valentina Schmid et al. (including Conny Aerts, Steven Bloemen, Peter Papics) Will be submitted within a few weeks from now 21. KADACS: An Automated Software to Calibrate Kepler Data for Asteroseismology S. Mathur, S. Bloemen, R. Garcia,., Papics, et al. In prep 22. Chemical abundances of giant stars in the Crater stellar system Bonifacio, P.; Caffau, E.; Zaggia, S.; François, P.; Sbordone, L.; Andrievsky, S. M.; Korotin, S. A. 23. A high-velocity bulge RR Lyrae variable on a halo-like orbit Andrea Kunder, R. Michael Rich, Keith Hawkins, Radek Poleski et al., ApJ accepted 24. Measuring the vertical age structure of the Galactic disc using asteroseismology and SAGA

9 Casagrande L., Silva Aguirre V., Schlesinger K.J., Stello D., Huber D., Serenelli A.M., Schoenrich R., Cassisi S., Pietrinferni A., Hodgkin S., Milone A.P., Feltzing S., Asplund M., MNRAS submitted 25. Test for Radial Mixing of Stars in M31 Andrew Gould & Hans-Walter Rix, JKAS, submitted 26. Probing the deep end of the Milky Way with Kepler: Asteroseismic Analysis of 900 red giants misclassified as cool dwarfs Mathur, Garcia, Huber et al., in prep 27. The K2 Ecliptic Plane Input Catalog Huber et al., in prep 28. The stellar kinematics of co-rotating spiral arms in Gaia mock observations Kawata, Hunt, MNRAS in press 29. The Unexpected Diversity of Galaxy Rotation Curves Oman, Navarro et al. MNRAS accepted 30. Oscillating red giants observed during Campaign 1 of the Kepler K2 mission: New prospects for galactic archaeology Stello et al submitted 31. Asteroseismology Aerts, 2015, Physics Today 32. The Age and Internal Rotation of Stars from Asteroseismology Aerts, C., 2015, Astronomische Nachrichten in press 33. The Internal Rotation Problem of the B-type star KIC from frequency inversion of its dipole gravity modes Triana, S. A., Moravveji, E., Papics, P. I., Aerts, C., Kawaler, S. D., Christensen- Dalsgaard, J 34. Gravity-mode period spacings as seismic diagnostic for a sample of γ Doradus stars from Kepler photometry and hig-resolution groundbased spectroscopy Van Reeth, T., Tkachenko, A., Aerts, C., Papics, P. I., Triana, S. A., Zwintz, K., Degroote, P., Debosscher, J., Bloemen, S., Schmid, V., De Smedt, K et al. The Astrophysical Journal Supplement Series, submitted

10 35. Asteroseismic constraints on the core overshooting and extra diffusive mixing in the B8.3V star KIC Moravveji, E., Aerts, C., Papics, P. I., Triana, S. A., Vandoren, B., 2015, Astronomy and Astrophysics, submitted DIVERSITY and INCLUSION