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[Astronuc]

Catalog of Nearby Exoplanets
Authors: R. P. Butler, J. T. Wright, G. W. Marcy, D. A Fischer, S. S. Vogt, C. G. Tinney, H. R. A. Jones, B. D. Carter, J. A. Johnson, C. McCarthy, A. J. Penny
(Submitted on 21 Jul 2006)
http://arxiv.org/abs/astro-ph/0607493
and
http://www.universe.nasa.gov/exoplanets_stars/
NASA's Spitzer First to Crack Open Light of Faraway Worlds
http://www.nasa.gov/mission_pages/spitzer/news/spitzer-20070221-full.html

Navigator Program Science Overview
Submitted to the NASA-NSF ExoPlanet Task Force, 2 April 2007
http://exoplanets.jpl.nasa.gov/documents/NP_sci_overview_070402_final-traub.pdf

[Astronuc]

Terrestrial Planets Might Form Around Many, Maybe Most, Nearby Sun-like Stars

ScienceDaily (Feb. 18, 2008) ? Astronomers have discovered that terrestrial planets might form around many, if not most, of the nearby sun-like stars in the disk of our galaxy. These new results suggest that worlds with potential for life might be more common than thought.

University of Arizona astronomer Michael Meyer led a Legacy Science Program with NASA's Spitzer Space Telescope to determine whether planetary systems like ours are common or rare in the Milky Way galaxy. Meyer and his colleagues found that at least 20 percent, and possibly as many as 60 percent, of stars similar to the sun are candidates for forming rocky planets.

The astronomers surveyed six groups of stars with masses comparable to our sun using Spitzer, which includes an instrument built at UA's Steward Observatory by a team led by Professor George Rieke. The stars were grouped by age, ranging from three-to-10 million years, 10-to-30 million years, 30-to-100 million years, 100-to-300 million years, 300 million to one billion years and one-to-three billion years old.

http://www.sciencedaily.com/releases/2008/02/080217102133.htm
 
 

[Astronuc]

Fomalhaut b and the planets of HR 8799, whose discovery was announced simultaneously, were the first confirmed extrasolar planets discovered via direct imaging.  The planet, which is 25 ly from earth in the direction of the constellation Piscis Austrinus, was discovered orbiting the A-type main sequence star Fomalhaut in 2008 in photos taken by the Hubble Space Telescope.
 
http://en.wikipedia.org/wiki/Fomalhaut_b
 
Refer to -
Kalas, Paul; Graham, James R.; Clampin, Mark (2005). "A planetary system as the origin of structure in Fomalhaut's dust belt". Nature 435 (7045): 1067?1070.
http://arxiv.org/abs/astro-ph/0506574