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PEGASE - A space interferometer for the spectro-photometry of Pegasides
Absil, Olivier
2004In Surdej, Jean; Caro; Detal, Alain (Eds.) 37th Liège International Astrophysical Colloquium
 

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Abstract :
[en] Pegase is an answer to the CNES call for ideas for a scientific payload on its Formation Flying technological mission. It proposes a Bracewell interferometer operating in the infrared (1.5 – 6 microns) and visible regimes. It has small telescopes (40 cm) but a substantial baseline (25 to 500 m). Its angular resolution reaches 1 mas at 4 microns and 100 micro-as at 0.4 microns. Its main scientific objectives are the spectroscopic study of weak companions including pegasides and brown dwarfs bounded to other stars. The goal is to determine the composition of the atmospheres of these objects as well as their cloud structure.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Absil, Olivier  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Language :
English
Title :
PEGASE - A space interferometer for the spectro-photometry of Pegasides
Publication date :
25 August 2004
Event name :
37th Liège International Astrophysical Colloquium - Science Case for Next Generation Optical/Infrared Interferometric Facilities
Event organizer :
ULg - Université de Liège
Event place :
Liège, Belgium
Event date :
23/08/2004 - 26/08/2004
Audience :
International
Main work title :
37th Liège International Astrophysical Colloquium
Author, co-author :
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO)
Caro
Detal, Alain ;  Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO)
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