| Type de publication : |
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Articles dans des revues avec comité de lecture |
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| Domaine : |
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Physique/Astrophysique/Cosmologie et astrophysique extra-galactique
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| Titre : |
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GH $\alpha$ FaS : Galaxy H-alpha Fabry-Perot System for the WHT |
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| Auteur(s) : |
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O. Hernandez 1, K. Fathi 2, 3, C. Carignan 1, J. Beckman 2, J. -L. Gach 4, P. Balard 4, P. Amram 4, 5, J. Boulesteix 4, R. L. M. Corradi 6, 7, M-M. de Denus-Baillargeon 8, B. Epinat 4, M. Relaño 9, S. Thibault 10, P. Vallée 11 |
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| Laboratoire : |
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| 1 : |
Département de Physique [Montréal] |
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http://www.phys.umontreal.ca/ |
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Université de Montréal |
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Département de physique Université de Montréal C.P. 6128, succ. centre-ville Montréal (Québec) H3C 3J7 Canada |
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Canada |
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| 2 : |
Instituto de Astrofísica de Canarias |
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Observatorio Norte Europeo (ENO) |
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C/ Vía Láctea s/n, 38200 La Laguna, Tenerife, Spain |
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Espagne |
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| 3 : |
Stockholm Observatory |
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Albanova University Center |
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106 91 Stockholm, Sweden |
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Suède |
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| 4 : |
Laboratoire d'Astrophysique de Marseille (LAM) |
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http://www.oamp.fr/infoglueDeliverLive/www/LAM |
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CNRS : UMR6110 – INSU – Université de Provence - Aix-Marseille I |
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Pôle de l'Étoile Site de Château-Gombert 38, rue Frédéric Joliot-Curie 13388 Marseille cedex 13 |
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France |
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| 5 : |
Galaxies, Etoiles, Physique, Instrumentation (GEPI) |
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http://gepi.obspm.fr/ |
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CNRS : UMR8111 – INSU – Observatoire de Paris – Université Paris VII - Paris Diderot |
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5, place Jules Janssen 92195 MEUDON CEDEX |
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France |
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| 6 : |
Instituto de Astrofisica de Canarias (IAC) |
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IAC |
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Espagne |
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| 7 : |
Isaac Newton Group of Telescopes (ING) |
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http://www.ing.iac.es/ |
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INSTITUTO DE ASTROFÍSICA DE CANARIAS |
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Apartado de Correos 321 38700 Santa Cruz de La Palma |
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Espagne |
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| 8 : |
Institut FRESNEL (IF) |
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http://www.fresnel.fr/ |
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CNRS : UMR6133 – Université de Provence - Aix-Marseille I – Université Paul Cézanne - Aix-Marseille III – Ecole Centrale de Marseille |
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Domaine univ. de St-Jérôme 13397 MARSEILLE CEDEX 20 |
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France |
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| 9 : |
Dpto. Fisica Teorica y del Cosmos |
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Universidad de Granada |
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E-18 071 Granada |
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Espagne |
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| 10 : |
IMMERVISION |
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Université de Montréal |
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IMMERVISION, 2020 University, suite 2420, Montréal, PQ, Canada H3A 2A5. |
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France |
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| 11 : |
Laboratoire d'optique des solides (LOS) |
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http://www.ccr.jussieu.fr/los/ |
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CNRS : UMR7601 – Université Pierre et Marie Curie [UPMC] - Paris VI |
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Boîte 80 - T13/12, 4e étage 4 Place Jussieu 75252 PARIS CEDEX 05 |
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France |
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| Résumé : |
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GH$\alpha$FaS a new Fabry-Perot system, is now available at the William Herschel Telescope. It was mounted, for the first time, at the Nasmyth focus of the 4.2 meter WHT on La Palma in July 2007. Using modern technology, with a spectral resolution of the order R$\sim$15000, and with a seeing limited spatial resolution, GH$\alpha$FaS will provide a new look at the H$\alpha$ -emitting gas over a 4.8 arcminutes circular field in the nearby universe. Many science programs can be done on a 4.2 metre class telescope in world class seeing conditions with a scanning Fabry-Perot. Not only galaxies but HII regions, planetary nebulae, supernova remnants and the diffuse interstellar medium are subjects for which unique data can be aquired rapidly. Astronomers from the Laboratoire d'Astrophysique Expérimentale (LAE) in Montréal, the Laboratoire d'Astrophysique de Marseille (LAM-OAMP), and the Instituto de Astrofísica de Canarias (IAC), have inaugurated GH$\alpha$FaS by studying in detail the dynamics of some nearby spiral galaxies. A robust set of state-of-the-arts tools for reducing and analyzing the data cubes obtained with GH$\alpha$FaS has also been developed. |
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Langue du texte intégral : |
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Anglais |
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Date de production, écriture : |
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01/05/2008 |
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| Journal : |
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| Publications of the Astronomical Society of the Pacific |
| Publisher |
Astronomical Society of the Pacific |
| ISSN |
0004-6280 (eISSN : 1538-3873) |
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| Audience : |
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internationale |
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| Date de publication : |
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2008 |
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| Volume : |
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120 |
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| Page, identifiant, ... : |
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665 |
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| Commentaire : |
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29 pages, 10 figures. Accepted for publication in PASP |
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