Reference : Diversity among other worlds: characterization of exoplanets by direct detection (Upd...
Reports : Other
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
http://hdl.handle.net/2268/32439
Diversity among other worlds: characterization of exoplanets by direct detection (Update of a White Paper submitted to the ESA ExoPlanet Roadmap Advisory Team)
English
Schneider, J. [> > > >]
Boccaletti, A. [> > > >]
Aylward, A. [> > > >]
Baudoz, P. [> > > >]
Beuzit, J.-L. [> > > >]
Brown, R. [> > > >]
Cho, J. [> > > >]
Dohlen, K. [> > > >]
Ferrari, M. [> > > >]
Galicher, R. [> > > >]
Grasset, O. [> > > >]
Grenfell, L. [> > > >]
Griessmeier, J.-M. [> > > >]
Guyon, O. [> > > >]
Hough, J. [> > > >]
Kasper, M. [> > > >]
Keller, Ch [> > > >]
Longmore, A. [> > > >]
Lopez, B. [> > > >]
Martin, E. [ > > ]
Mawet, D. [> > > >]
Menard, F. [> > > >]
Merin, B. [> > > >]
Palle, E. [> > > >]
Perrin, G. [> > > >]
Pinfield, D. [> > > >]
Sein, E. [> > > >]
Shore, P. [> > > >]
Sotin, Ch [> > > >]
Sozzetti, A. [> > > >]
Stam, D. [> > > >]
Surdej, Jean mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS) >]
Tamburini, F. [> > > >]
Tinetti, G. [> > > >]
Udry, S. [> > > >]
Verinaud, C. [> > > >]
Walker, D. [> > > >]
1-Nov-2008
ArXiv e-prints
[en] Astrophysics
[en] The physical characterization of exoplanets will require to take spectra at several orbital positions. For that purpose, a direct imaging capability is necessary. Direct imaging requires an efficient stellar suppression mechanism, associated with an ultrasmooth telescope. We show that before future large space missions (interferometer, 4-8 m class coronograph, external occulter or Fresnel imager), direct imaging of giant planets and close-by super-Earth are at the cross-road of a high scientific interest and a reasonable feasibility. The scientific interest lies in the fact that super-Earths share common geophysical attributes with Earths. They already begin to be detected by radial velocity (RV) and, together with giant planets, they have a larger area than Earths, making them detectable with a 1.5-2 m class telescope in reflected light. We propose such a (space) telescope be a first step before large direct imaging missions.
European Space Agency
Researchers ; Professionals
http://hdl.handle.net/2268/32439
http://adsabs.harvard.edu/abs/2008arXiv0811.2496S
The authors thank SAO/NASA ADS Astronomy Abstract Service for their deposit authorization

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