Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.0801k&link_type=abstract
American Astronomical Society, DPS meeting #41, #8.01
Astronomy and Astrophysics
Astronomy
Scientific paper
Detecting the first potentially Habitable Planet is just within our reach.. We already found dozens of super-Earths: In this talk we will explore how we can detect habitability remotely. We present calculations for the potential habitability over evolutionary timescales, around very low-mass stars and brown dwarfs, accounting for evolutionary changes in radius/luminosity and tidal-locking. We also present visible/infrared spectral fingerprints of Earth-like planets around these HZs, using coupled 1-D photochemical climate calculations that account for the existence and evolution of chromospheric and coronal activity. While many uncertainties remain (as will be discussed), our calculations attest to the potential for the habitability of, and detection of biosignatures from, rocky Super-Earths.
Ground as well as space based telescopes to characterization rocky exoplanets, are already in development phase (ELT, TNT, GMT, James Webb Space Telescope, Darwin, TPF, NWO). We will assess the best observation strategy to search for the signatures of a biosphere on Super-Earths.
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