The Ages of Stars (IAU S258)
Eric E. Mamajek, David R. Soderblom, Rosemary F. G. Wyse
Cambridge University Press, Jun 25, 2009 - Science - 490 pages
Estimating accurate stellar ages is one of the most difficult challenges in astrophysics. A star's age cannot be measured directly, and currently we only know the accurate age for one star: the Sun. Stellar ages lie at the heart of much of astrophysics. The accurate determination of timescales for physical processes in the stars allows us to compare the properties of stars at different stages in their lives. In IAU Symposium 258 astrophysicists from around the world discuss the current state of the problem of estimating ages of stars and stellar populations. They describe their efforts to better constrain the ages of individual stars and groups of stars through improved observations and physical models. IAU S258 highlights where the advances are being made and predicts what the near future offers.
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Guido De Marchi
Signatures of heating processes in the Galactic thin disk
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2009 International Astronomical accretion activity asteroseismology Astronomical Union E.E. Astrophysics binary brown dwarfs calibration chemical chromospheric cluster age color constraints convective cooling core D.R. Soderblom Demarque derived dispersion distance distribution dynamical effects emission errors estimate evolutionary Fe/H field stars Figure frequency function Galactic galaxies globular clusters halo helium Hillenbrand Hipparcos HR diagram Hyades International Astronomical Union isochrones kinematic low-mass stars luminosity magnitude main sequence main-sequence measured metal-poor metallicity Meynet Milky MNRAS models MSTO observed open clusters orbits overshooting panel parameters photometric Piotto planets predicted r-process R.F.G. Wyse reddening regions rotation periods RR Lyrae sample Sarajedini scenario solar solar-type stars spectral type spectroscopic star clusters star formation stellar ages stellar evolution stellar populations technique Telescope temperature theoretical thick disk thin disk timescale uncertainties Union E.E. Mamajek velocity white dwarfs young