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Comparison of Gaia and asteroseismic distances

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arxiv 1705.08313 v1 pith:4KAW4MTQ submitted 2017-05-23 astro-ph.SR

Comparison of Gaia and asteroseismic distances

classification astro-ph.SR
keywords distancesasteroseismicstarsgaiacentdifferenceeffectiveproperties
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Asteroseismology provides fundamental properties (mass, radius and effective temperature) of solar-like oscillating stars using so-called scaling relations. These properties allow the computation of the asteroseismic distance of stars. We compare the asteroseismic distances with the recently released Gaia distances for 74 stars studied in Y{\i}ld{\i}z et al. There is a very good agreement between these two distances; for 64 of these stars, the difference is less than 10 per cent. However, a systematic difference is seen if we use the effective temperature obtained by spectroscopic methods; the Gaia distances are about 5 per cent greater than the asteroseismic distances.

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