Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21113207c&link_type=abstract
American Astronomical Society, AAS Meeting #211, #132.07; Bulletin of the American Astronomical Society, Vol. 39, p.962
Astronomy and Astrophysics
Astronomy
Scientific paper
We have determined the amount of habitable "real estate" for 38 stars nearer than 5 parsecs. Using photometric spectral energy distributions (SEDs) derived using available and new UBVRIJHK photometry from the RECONS (Research Consortium on Nearby Stars) effort, we estimate the region around each target star in which liquid water may exist on any orbiting planet, i.e. the classical habitable zone. From the SEDs and parallax data from RECONS, we were able to estimate radii and temperatures for these stars using an IDL curve fitting function and GAIA models. These radii and temperatures were then used to estimate habitable area around each star, and the sums for each spectral type were found. Results indicate that spectral type A stars provide the most habitable real estate as a group, followed by the F stars. This research has been supported by NSF grant AST 05-07711, NASA's Space Interferometry Mission, and Georgia State University.
Cantrell Justin R.
Henry Thomas
Jao W.
Monteiro Hektor
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