Ages of the oldest stars and the connection to the halo and accretion. Three questions about the ages of old stars

Transcription

1 ages 2 : Taking stellar ages to the next power Daily Agenda Monday, September 18, 2017 Ages of the oldest stars and the connection to the halo and accretion 9:15 S. Cassisi, S. Degl Innocenti Three questions about the ages of old stars 9:30 S. Hidalgo (I) Local Group dwarf galaxies and the Milky Way: implications for assembly 10:00 V. Hill (C) Th and U as cosmo-chronometers for old stars 11:00 A. Dotter (I) The influence of chemical composition on evolution of metal-poor stars 11:30 G.. Piotto (I) Globular cluster ages: Multiple populations and age-dating implications 12:00 A. Savino (C) Modeling the horizontal branch: Unlocking the secrets of ancient star formation 12:15 A. Bellini (C) Omega Centauri: Main-sequence multiple pops galore! 12:30 E. Valenti (I) On the age-dating of old field stars 13:00 G. Fontaine (I) Ages from white dwarf cooling sequences 16:00 M. Correnti (C) Sub-Gyr ages of globulars using IR photometry 16:15 S. Ortolani (C) The oldest stars in the galactic halo: not so old 16:30 S. Hekker (C) Improvements in ages from isochrone fitting using Gaia parallaxes 16:45 refreshments 17:15 quick poster presentations 18:45 adjourn

2 Tuesday, September 19, 2017 Solar-type and low-mass stars and the connection to exoplanets 9:00 O. Benomar, D. Huber Three questions about the ages of solar-type and low-mass stars 9:15 O. Creevey (I) How accurate are asteroseismic ages for solar-type stars? 9:45 J. van Saders (I) Kepler s eye on stellar spindown 10:45 M. Agueros Setting stellar chronometers: The PTF(+) open cluster survey 11:00 T.. Dupuy (C) Brown dwarfs as clocks: The age distribution in the solar neighborhood 11:15 R. Booth (C) An improved age-activity relationship for cool stars older than a Gigayear 11:30 A. Burgasser (C) Ages of the lowest mass stars and brown dwarfs: a case study of TRAPPIST-1 11:45 T. Ayres (C) The age of our nearest stellar neighbor 12:00 E. Newton (C) The ages and evolution of field M dwarfs from rotation, activity, and kinematics 12:15 K. Poppenhaeger (I) Precise stellar ages as the key to exoplanet evolution 12:45 special session: discussion on sharing relevant software 16:00 R. Kopparapu (I) The effect of stellar ages and activity on the habitable zone and habitability of planets Pre-main sequence stars and the connection to the formation and early evolution of stars and planetary systems 16:30 L. Hillenbrand, R. Jefries, E. Mamajek Three questions about the ages of pre-main sequence stars 16:45 G. Somers (I) Testing the accuracy of PMS models with rotation, inflation, and Li abundances 17:15 poster viewing and refreshments 17:45 G. Herczeg (I) Testing the early evolution of pre-main sequence stars 18:15 G. Sacco (I) Ages of pre-main sequence stars with the surveys Gaia/ESO and Gaia 18:45 K. Zwintz (C) Constraints on PMS ages from asteroseismology 19:00 R. Jackson (C) Stellar radius inflation in the Pleiades and its consequences 19:15 E. Tognelli (C) Planet ingestion on a PMS star: A case study in the gamma Velorum cluster 19:30 adjourn

3 Wednesday, September 20, :00 M. Janson (C) Assessing the ages of young moving-group binaries 9:15 V. D Orazi (C) Barium abundances as diagnostics of stellar youth High- and intermediate-mass stars and the connection to clusters 9:30 C. Aerts, S. de Mink, E. Sabbi Three questions about the ages of massive stars and of clusters 9:45 N. Bastian (I) Challenges for age-dating young stellar clusters 10:45 A. Tkachenko (I) The mass discrepancy in massive eclipsing binaries and its effect on ages 11:15 J. Kalirai (C) The initial-final mass relation as an input to deriving accurate stellar ages 11:30 J. Choi (C) Stellar evolution with open clusters 11:45 A. Dupree (C) First spectroscopic detection of fast-rotating stars in a young LMC cluster 12:00 C. Georgy (I) Ages of B stars: Effects of rotation and apparent age spreads 12:30 F. Schneider (I) Ages of O stars: Effects of mergers and rejuvenated binary products 13:00 M. Cignoni (C) CMD modelling with LEGUS: recent SFH of dwarf galaxies between 3 13:15 adjourn and 12 Mpc

4 Thursday, September 21, 2017 Evolved stars and the connection to Galactic archaeology 9:00 S. Hekker, A. Miglio, E. Tolstoy Three questions about the ages of evolved stars 9:15 V. Silva Aguirre (I) How well can we determine ages from asteroseismology for giants? 9:45 C. Chiappini (I) How old are the different components of the Galaxy and over what timespan did they form? 10:45 N. Lagarde (C) Can we use chemical properties of red giants as age indicators? 11:00 M. Schultheis (C) Ages of red giants in the Galactic Bulge 11:15 N. Themessl (C) Testing seismic ages of red giants in open clusters with isochrones 11:30 D. Stello (C) Stellar ages for Galactic archaeology with K2 and TESS 11:45 M. Tosi (I) Star formation histories of dwarf galaxies in the local universe 12:15 C.. Conroy (I) How ages can help us understand the assembly and growth of the Milky Way 12:45 P.-E. Tremblay (I) Rediscovering the Milky Way formation history with Gaia white dwarfs 13:15 F. Ferraro (C) Terzan 5: A site of recent stars formation in the Bulge 16:00 J. Lin (C) Temporal evolution of the elements in the context of GALAH: method description and preliminary results 16:15 D. Bossini (C) Ages of asteroseismic targets: Going beyond scaling relations 16:30 M. Pinsonneault (C) Calibrating spectroscopic ages for giants with asteroseismology 16:45 S. Randich (I) Constraints on models from the combined Gaia/ESO and Gaia surveys 17:15 R. Mathieu (I) Alternative Stellar Evolutionary Paths in Open Star Clusters: Stars Whose Ages Aren't What They Seem 17:45 coffee 18:15 J. Hermes (C) Improved white dwarf cooling ages using asteroseismology and eclipsing binaries 18:30 T. Constantino (C) Refining stellar evolution with the time-implicit hydrodynamic code MUSIC 18:45 J. Mosumgaard (C) Improving stellar models with 3D atmospheres 19:00 L. Girardi (C) Convective Core Overshooting and Ages: Probabilistic Constraints from Color Magnitude Diagrams of LMC Clusters 19:15 J. Kirkby-Kent (C) High-precision binary parameters for calibrating stellar evolutionary models 19:30 adjourn

5 Friday, September 22, 2017 Stellar models and their limitations 9:00 Y. Lebreton, M. Pinsonneault Three questions about stellar models 9:15 A. Serenelli (I) From micro- to macrophyiscs: the status of stellar models for solar-like stars 9:45 E. Caffau (I) Stellar models and their limitations: the abundance scale 10:45 J. Bailey (I) Opacity data for stellar models and its uncertainties 11:15 A. Guglielmetti (I) Nuclear reaction rates in stellar conditions as input for stellar models 11:45 F. D Antona (I) Ages and age spreads in young and old massive clusters 12:15 conference close and farewell Special Events Sunday, September 17, 2017 Opening reception 19:00 Opening reception for all participants and companions Wednesday, September 20, 2017 Special talk M. Razzano: The dawn of gravitational wave astronomy and the multimessenger Universe Thursday, September 21, 2017 Conference banquet