A test field for Gaia. Radial velocity catalogue of stars in the South Ecliptic Pole

Y., Frémat 1 M., Altmann 2 E., Pancino C. Soubiran 3 P., Jofré Y., Damerdji 4, 5 U., Heiter F., Royer 6 G., Seabroke R., Sordo S., Blanco-Cuaresma 7 G., Jasniewicz 8 C., Martayan 9 F., Thévenin 10 A., Vallenari R., Blomme 1 M., David 11 E., Gosset 12 D., Katz 13 Y., Viala 14, 15 S., Boudreault 16 T., Cantat-Gaudin A., Lobel 1 K., Meisenheimer T., Nordlander G., Raskin P., Royer 17 J., Zorec 18
1 Royal Observatory of Belgium [Brussels]
2 SYRTE - Systèmes de Référence Temps Espace
3 M2A 2017
LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac]
4 OHP - Observatoire de Haute-Provence
5 CESR - Centre d'étude spatiale des rayonnements
6 Datasio
7 ObsGE - Observatoire Astronomique de l'Université de Genève
8 LUPM - Laboratoire Univers et Particules de Montpellier
9 ESO - European Southern Observatory
10 UCA - Université Côte d'Azur
11 GEODE - Géographie de l'environnement
12 UPJV - Université de Picardie Jules Verne
13 UIUC - University of Illinois at Urbana Champaign
14 GEPI - Galaxies, Etoiles, Physique, Instrumentation
15 OP - Observatoire de Paris - Site de Paris
16 MPS - Max-Planck-Institut für Sonnensystemforschung
17 LNIO - Laboratoire de Nanotechnologie et d'Instrumentation Optique / Institut Charles Delaunay / CNRS UMR 6281 / Université de technologie de Troyes
18 IAP - Institut d'Astrophysique de Paris
Abstract : Gaia is a space mission currently measuring the five astrometric parameters as well as spectrophotometry of at least 1 billion stars to G = 20.7 mag with unprecedented precision. The sixth parameter in phase space (radial velocity) is also measured thanks to medium-resolution spectroscopy being obtained for the 150 million brightest stars. During the commissioning phase, two fields, one around each ecliptic pole, have been repeatedly observed to assess and to improve the overall satellite performances as well as the associated reduction and analysis software. A ground-based photometric and spectroscopic survey was therefore initiated in 2007, and is still running in order to gather as much information as possible about the stars in these fields. This work is of particular interest to the validation of the Radial Velocity Spectrometer (RVS) outputs. The paper presents the radial velocity measurements performed for the Southern targets in the 12 - 17 R magnitude range on high- to mid-resolution spectra obtained with the GIRAFFE and UVES spectrographs.
Keywords : Astrophysics - Solar and Stellar Astrophysics
Type de document :
Article dans une revue
Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 597, pp.id.A10. <10.1051/0004-6361/201629549>
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https://hal.archives-ouvertes.fr/hal-01373037
Contributeur : Marie-Paule Pomies <>
Soumis le : mercredi 28 septembre 2016 - 10:05:59
Dernière modification le : dimanche 15 janvier 2017 - 09:25:29

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L3AB | PSL | OHP | OBSPM | SYRTE | GEPI | OMP-IRAP | UPMC | OSU-INSTITUT-PYTHEAS | LUPM | IAP | GEODE | OMP | UNIV-TLSE3 | UNIV-TLSE2 | UNIV-AMU | INSU | USPC

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Y., Frémat, M., Altmann, E., Pancino, C. Soubiran, P., Jofré, et al.. A test field for Gaia. Radial velocity catalogue of stars in the South Ecliptic Pole. Astronomy and Astrophysics - A&A, EDP Sciences, 2017, 597, pp.id.A10. <10.1051/0004-6361/201629549>. <hal-01373037>

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