The impact of high-accuracy astrometry on asteroseismology

Details The impact of high-accuracy astrometry on asteroseismology The impact of high-accuracy astrometry on asteroseismology

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mons.proc...89f&link_type=abstract

The First MONS Workshop: Science with a Small Space Telescope, held in Aarhus, Denmark, June 29 - 30, 1998, Eds.: H. Kjeldsen, T

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Global space astrometry has been demonstrated by the Hipparcos mission to be a powerful tool for the determination of absolute stellar parallaxes, and thus for the determination of accurate stellar fundamental parameters (in particular luminosity and mass). The same parameters are needed, together with the oscillation frequencies determined by asteroseismologic observations, to provide stringent tests of stellar structure models. In the present paper I will thus review the status of current and future accurate parallax determination in the framework of the proposed asteroseismology mission MONS, with emphasis on the future space astrometry mission GAIA, currently under study at the European Space Agency.

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