Reference : The PEGASE project: characterisation of "Pegasi planets" and Brown Dwarfs
Scientific congresses and symposiums : Paper published in a book
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/109809
The PEGASE project: characterisation of "Pegasi planets" and Brown Dwarfs
English
Baudoz, P. [> > > >]
Rouan, D. [> > > >]
Schneider, J. [> > > >]
Leger, A. [> > > >]
Ollivier, M. [> > > >]
Absil, Olivier mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS) >]
Leyre, A. [> > > >]
Mourard, D. [> > > >]
Nary Man, C. [> > > >]
Rousset, G. [> > > >]
Cassaing, F. [> > > >]
Allard, F. [> > > >]
Malbet, F. [> > > >]
Udry, S. [> > > >]
Martin, E. [> > > >]
1-Dec-2004
SF2A-2004: Semaine de l'Astrophysique Francaise
Combes, F.
Barret, D.
Contini, T.
Meynadier, F.
Pagani, L.
EdP-Sciences
Conference Series
123
No
No
National
Paris
France
Semaine de l'Astrophysique Française - Journées de la SF2A 2004
June 14-18, 2004
SF2A
Paris
France
[en] I will present the PEGASE project proposed within the framework of the CNES call for idea on flights in formation. This ambitious project, gathering a dozen laboratories, proposes an interferometry mission in infrared I(1.5 to 6 µm) with spectroscopic capabilities. The bases of the interferometer will reach up to 500m, giving to PEGASE a resolution higher than the milli-arcsecond. The interferometric recombination includes a very simple mode, measurement of the visibility by excursion of the optical path difference and a mode in black fringe or nulling. The very high angular resolution of the instrument and high dynamical range with the nulling mode will allow to consider exciting scientific objectives: the characterization of Pegasids or hot Jupiters, the study of the internal structure and the atmospheres of brown dwarfs and the analysis of the internal areas of proto-planetary disks. I will first of all describe the basic configuration of the mission and will show that its simplicity ensures the feasibility of the project. I will explain then the relevance of such an instrument for the characterization of Pegasids. I will detail finally the various possible technical options to be attached to the initial version, in order to increase the effectiveness of the mission and to extend its scientific objectives.
Researchers
http://hdl.handle.net/2268/109809
http://adsabs.harvard.edu/abs/2004sf2a.conf..123B

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