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20 April 2024 |
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Using SPICA Space Telescope to characterize Exoplanets | | J.R. Goicoechea
; B. Swinyard
; G. Tinetti
; T. Nakagawa
; K. Enya
; M.Tamura
; M. Ferlet
; K.G. Isaak
; M. Wyatt
; A.D. Aylward
; M. Barlow
; J.P. Beaulieu
; A. Boccaletti
; J. Cernicharo
; J. Cho
; R. Claudi
; H. Jones
; H. Lammer
; A. Leger
; J. Martín-Pintado
; S. Miller
; F. Najarro
; D. Pinfield
; J. Schneider
; F. Selsis
; D.M. Stam
; J. Tennyson
; S. Viti
; G. White
; | | Date: |
1 Sep 2008 | | Abstract: | We present the 3.5m SPICA space telescope, a proposed Japanese-led JAXA-ESA
mission scheduled for launch around 2017. The actively cooled (<5 K), single
aperture telescope and monolithic mirror will operate from ~3.5 to ~210 um and
will provide superb sensitivity in the mid- and far-IR spectral domain (better
than JWST at lambda > 18 um). SPICA is one of the few space missions selected
to go to the next stage of ESA’s Cosmic Vision 2015-2025 selection process. In
this White Paper we present the main specifications of the three instruments
currently baselined for SPICA: a mid-infrared (MIR) coronagraph (~3.5 to ~27
um) with photometric and spectral capabilities (R~200), a MIR wide-field camera
and high resolution spectrometer (R~30,000), and a far-infrared (FIR ~30 to
~210 um) imaging spectrometer - SAFARI - led by a European consortium. We
discuss their capabilities in the context of MIR direct observations of
exo-planets (EPs) and multiband photometry/high resolution spectroscopy
observations of transiting exo-planets. We conclude that SPICA will be able to
characterize the atmospheres of transiting exo-planets down to the super-Earth
size previously detected by ground- or space-based observatories. It will also
directly detect and characterize Jupiter/Neptune-size planets orbiting at
larger separation from their parent star (>5-10 AU), by performing quantitative
atmospheric spectroscopy and studying proto-planetary and debris disks. In
addition, SPICA will be a scientific and technological precursor for future,
more ambitious, IR space missions for exo-planet direct detection as it will,
for example, quantify the prevalence exo-zodiacal clouds in planetary systems
and test coronographic techniques, cryogenic systems and lightweight, high
quality telescopes. (abridged) | | Source: | arXiv, 0809.0242 | | Services: | Forum | Review | PDF | Favorites | |
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