Other
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dps....42.2722s&link_type=abstract
American Astronomical Society, DPS meeting #42, #27.22; Bulletin of the American Astronomical Society, Vol. 42, p.1064
Other
Scientific paper
FINESSE, the Fast Infrared Exoplanet Spectroscopy Survey Explorer, is a concept for an Explorer class mission to study the nature of exoplanet atmospheres. The last 15 years have witnessed extraordinary success in finding exoplanets with ground-based surveys and, more recently, the Kepler and Corot missions collectively identified hundreds of planets. FINESSE is designed to take the next step; using proven methods and an optimized design, FINESSE would be the first mission dedicated to the spectroscopic characterization of exoplanets. During a two-year mission, FINESSE would conduct an extensive survey of exoplanet systems, providing large sample for comparative exoplanetology with a range of planets represented from the most extreme hot-Jupiters to warm Neptunes and Super-Earth. FINESSE would have spectroscopic coverage from approximately 0.5 to around 3.0 microns with sensitivity to important molecular bands of water, methane, carbon dioxide and other molecules. Spectral retrieval, based on FINESSE measurements, would reveal the temperature, composition, and chemistry of exoplanets in the FINESSE sample and would allow the planets to be compared in a uniform way. Significantly, the data for all wavelengths would be obtained simultaneously to remove confusing effects of any variability in the star/planet system. Engineered for exquisite stability, FINESSE will routinely observe calibrator targets; this will allow the exoplanet emission spectra to be obtained for any point in the orbit and will also allow spectra taken at different times to be compared to search for indicators of atmospheric dynamics. Implemented as a rapid, low-cost mission, FINESSE is scientifically well matched to the rapidly expanding area of exoplanets.
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