ECHO - the Exoplanet Characterisation Observatory

Details ECHO - the Exoplanet Characterisation Observatory ECHO - the Exoplanet Characterisation Observatory

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dps....42.2733t&link_type=abstract

American Astronomical Society, DPS meeting #42, #27.33

Astronomy and Astrophysics

Astronomy

1

Scientific paper

A famous example of Super Earth is GJ 1214b, found by Charbonneau et al. in 2009 as part of the Mearth project: it is believed to be a small (2 Earth masses) ice world. But most of the currently known Exoplanets are of the Hot Jupiter type, large gas giants orbiting bright stars. Attention is now turning to these Super Earths, orbiting low mass late-type stars - many yet to be detected - as they offer the opportunity of obtaining spectral signatures from their atmospheres when found in a transiting or even non-transiting scenarios, via data obtained by ground based and space observatories, compared to simulated climate scenarios. As more of these planets await detection, we estimate from microlensing and radial velocity surveys - which report that Super Earths form 24 to 100% of planets at orbits between 1 and 5 A.U. of their parent stars - and catalogs of stars (RECONS, PMSU, 2MASS), that within 30pc from our sun, over 50 Super Earths transit, orbiting within the Habitable Zone of their host star.

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