Radial velocities , IX. Measurements of 2800 B2-F5 stars for Hipparcos
- Grenier, S.
- Baylac, M.-O
- Rolland, L.
- Burnage, R
- Arenou, Frédéric
- Briot, D.
- Delmas, F.
- Duflot, M
- Genty, V.
- Gómez, A, E
- Halbwachs, J.-L
- Marouard, M
- Oblak, E
- Sellier, Annie
DOIAbstract
International audienceRadial velocities have been determined for a sample of 2930 B2-F5 stars, 95% observed by the Hipparcos satellite in the north hemisphere and 80% without reliable radial velocity up to now. Observations were obtained at the Observatoire de Haute Provence with a dispersion of 80Å80Å mm −1 with the aim of studying stellar and galactic dynamics. Radial velocities have been measured by correlation with templates of the same spectral class. The mean obtained precision is 3.0 km s −1 with three observations. A new MK spectral classification is estimated for all stars
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