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PEGASE, an infrared interferometer to study stellar environments and low mass companions around nearby stars |
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| Authors: | M Ollivier O Absil F Allard J-P Berger P Bordé F Cassaing B Chazelas A Chelli O Chesneau V Coudé du Foresto D Defrère P Duchon P Gabor J Gay E Herwats S Jacquinod P Kern P Kervella J-M Le Duigou A Léger B Lopez F Malbet D Mourard D Pelat G Perrin Y Rabbia D Rouan J-M Reiss G Rousset F Selsis P Stee J Surdej | ||
| Affiliation: | 1. Institut d’Astrophysique Spatiale d’Orsay, Université de Paris-Sud XI and CNRS (UMR 8617), Batiment 121, 91405, Orsay cedex, France 2. Université de Liège, Liège, Belgium 3. Ecole Normale Supérieure de Lyon, Lyon, France 4. Laboratoire d’Astrophysique de l’Observatoire de Grenoble, Grenoble, France 5. Institut d’Astrophysique Spatiale d’Orsay, Université de Paris-Sud, Batiment 121, 91405, Orsay cedex, France 6. Office National d’Etudes et de Recherches Aéronautiques, Paris, France 7. Observatoire de la C?te d’Azur, Nice, France 8. Observatoire de la C?te d’Azur, Grasse, France 9. Observatoire de Paris, Paris, France 10. Centre National d’Etudes Spatiales, Toulouse, France 11. Observatoire de Bordeaux, Bordeaux, France |
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| Abstract: | PEGASE is a mission dedicated to the exploration of the environment (including habitable zone) of young and solar-type stars
(particularly those in the DARWIN catalogue) and the observation of low mass companions around nearby stars. It is a space
interferometer project composed of three free flying spacecraft, respectively featuring two 40 cm siderostats and a beam combiner
working in the visible and near infrared. It has been proposed to ESA as an answer to the first “Cosmic Vision” call for proposals,
as an M mission. The concept also enables full-scale demonstration of space nulling interferometry operation for DARWIN.
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| Keywords: | Nulling interferometry Low mass objects Space interferometry | ||
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