Spectroscopic and astrometric radial velocities: hyades as a benchmark
We study the accuracy of spectroscopic RVs by comparing spectroscopic and astrometric RVs for stars of the Hyades open cluster. Rather accurate astrometric RVs are available for the Hyades' stars, based on Hipparcos and on the first Gaia data release. We obtained HARPS spectra for a large sampl...
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| Main Authors: | , |
|---|---|
| Format: | Article (Journal) Chapter/Article |
| Language: | English |
| Published: |
20 Nov 2018
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| In: |
Arxiv
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| Online Access: | Verlag, Volltext: http://arxiv.org/abs/1811.08771
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| Author Notes: | I.C. Leão, L. Pasquini, Ludwig, H.-G., and J.R. de Medeiros |
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