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Radial Velocity Standard Stars for the Gaia RVS

Published online by Cambridge University Press:  15 February 2011

C. Turon ,
F. Meynadier ,
F. Arenou ,
G. Jasniewicz ,
F. Crifo ,
C. Soubiran ,
D. Hestroffer ,
A. Siebert ,
L. Veltz  and
L. Bigot
...Show all authors
G. Jasniewicz
Affiliation:
GRAAL, CNRS, Université Montpellier 2, 34095 Montpellier Cedex 05, France
F. Crifo
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, 5 place Jules Janssen, 92190 Meudon, France
C. Soubiran
Affiliation:
Laboratoire d’Astrophysique de Bordeaux, CNRS, Université Bordeaux 1, 33270 Floirac, France
D. Hestroffer
Affiliation:
IMCCE, Observatoire de Paris, CNRS, 77 Av. Denfert-Rochereau, 75014 Paris, France
A. Siebert
Affiliation:
Observatoire astronomique, Université de Strasbourg, CNRS, 11 rue de l’Université, 67000 Strasbourg, France
L. Veltz
Affiliation:
Astrophysikalisches Institut Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
L. Bigot
Affiliation:
Université de Nice-Sophia Antipolis, Observatoire de la Côte d’Azur, CNRS UMR 6202, BP. 4229, 06304 Nice Cedex 4, France
L. Chemin
Affiliation:
Laboratoire d’Astrophysique de Bordeaux, CNRS, Université Bordeaux 1, 33270 Floirac, France
P. David
Affiliation:
IMCCE, Observatoire de Paris, CNRS, 77 Av. Denfert-Rochereau, 75014 Paris, France
A. Guerrier
Affiliation:
Capgemini-CNES, 18 avenue Edouard Belin, 31401 Toulouse Cedex 9, France
D. Katz
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, 5 place Jules Janssen, 92190 Meudon, France
H.-G. Ludwig
Affiliation:
LSW, ZAH of Heidelberg University, Königstuhl 12, 69117 Heidelberg, Germany
P. Richard
Affiliation:
CNES, 18 avenue Edouard Belin, 31401 Toulouse Cedex 9, France
F. Royer
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, 5 place Jules Janssen, 92190 Meudon, France
P. Sartoretti
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, 5 place Jules Janssen, 92190 Meudon, France
S. Udry
Affiliation:
Observatoire de Genève, 51 Ch. des Maillettes, 1290 Sauverny, Switzerland
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Abstract

The calibration of the Radial Velocity Zero-Point (RVZP) of the Radial VelocitySpectrometer (RVS) will be performed with the help of Radial Velocity (RV) standard starsand asteroids. A full-sky list of RV standard stars candidates has been built for thispurpose within the Development Unit (DU) 640 of the Gaia DPAC Consortium. A ground-basedcampaign of RV observations has been initiated to eliminate unsuitable candidates.Simulations have also been performed in order to estimate in advance the number of RVstandard stars and asteroids crossing the RVS field of view. These standard stars andasteroids will also be very helpful for controlling any harmful effect (especially the CCDradiation damage) on calibration and RVZP during the lifetime of the Gaia project.Kinematic RV are expected to be published at the end of the project for the brighteststars, taking into account gravitational redshift and convective shifts for the linespresent in the RVS spectral wavelength range.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 45: GAIA: At the Frontiers of Astrometry , 2010 , pp. 195 - 200
Copyright
© EAS, EDP Sciences 2011

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References

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