Compared sensitivities of VLT, JWST and ELT for direct exoplanet detection in nearby stellar moving groups

Charles Hanot; Olivier Absil; Jean Surdej; Anthony Boccaletti; Christophe Vérinaud

doi:10.1117/12.856903

10 August 2010 Compared sensitivities of VLT, JWST and ELT for direct exoplanet detection in nearby stellar moving groups

Charles Hanot, Olivier Absil, Jean Surdej, Anthony Boccaletti, Christophe Vérinaud

Author Affiliations +

Proceedings Volume 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave; 77313M (2010) https://doi.org/10.1117/12.856903
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

In the context of exoplanet detection, a large majority of the 400 detected exoplanets have been found by indirect methods. Today, progress in the field of high contrast and angular resolution imaging has allowed direct images of several exoplanetary systems to be taken (cf. HR 8799, Fomalhaut and β Pic).^1-4 In the near future, several new instruments are going to dramatically improve our sensitivity to exoplanet detection. Among these, SPHERE (Spectro Polarimetric High contrast Exoplanet REsearch) at the VLT, MIRI (Mid Infra-Red Instrument) onboard JWST and EPICS at the ELT will be equipped with coronagraphs to reveal faint objects in the vicinity of nearby stars. We made use of the Lyon group (COND) evolutionary models of young (sub-)stellar objects and exoplanets to compare the sensitivities of these different instruments using their estimated coronagraphic profiles. From this comparison, we present a catalogue of targets which are particularly well suited for the different instruments.

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Charles Hanot, Olivier Absil, Jean Surdej, Anthony Boccaletti, and Christophe Vérinaud "Compared sensitivities of VLT, JWST and ELT for direct exoplanet detection in nearby stellar moving groups", Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 77313M (10 August 2010); https://doi.org/10.1117/12.856903

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KEYWORDS

Stars

Planets

Optical spheres

Imaging systems

Space telescopes

Coronagraphy

James Webb Space Telescope

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