Astronomy References Page
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Projects
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Brown Dwarf Search from ADS
(March 1998)
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Origins Billions Sky Survey (July 2004)
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Origins Billion Star Survey (OBSS) will provide a complete census of giant
extrasolar planets for all types of stars in the Galaxy and the demographics
of stars within 10 kpc (30,000 l.y) of the sun. Its legacy will be the
measurement of a billion stellar positions, parallaxes (distances), proper
motions, luminosities, binarity determinations, photometry, spectrometry,
and photometric variability. OBSS will provide observations of stars with
visual magnitudes between 7 and 20, with an astrometric precision of 10
microarcseconds at 14th magnitude. OBSS is optimized for the detection
of extrasolar giant planets as well as enabling an astrophysical characterization
of nearly all stars in the Solar neighborhood.
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Kenneth Johnston, U.S.
Naval Observatory, Washington DC
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Carl Grillmair, Spitzer
Science Center, Pasadena, CA
Foreign Source Pages
Created: circa 1998
Last Modified: August 28, 2004
Author: Robert J. Bradbury