On the discrepancy between asteroseismic and Gaia DR1 TGAS parallaxes
Recently, a deviation of the Gaia Tycho–Gaia Astrometric Solution (TGAS) parallaxes from the asteroseismic ones for giants was found. We show that for parallaxes ϖ < 1.5 mas it can be explained by a selection effect in favour of bright and luminous giants in the Tycho-2 and TGAS catalogues. Anoth...
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| Veröffentlicht in: | Monthly notices of the Royal Astronomical Society. Letters 2017-09, Vol.470 (1), p.L97-L101 |
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| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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