California & Carnegie Planet Search

Two Neptune-Mass Planets Discovered

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 A Neptune-Mass Planet Orbiting the Nearby M Dwarf GJ436
Butler et. al., to appear in Dec 2004 ApJ

Detection of a Neptune-Mass Planet in the 55 Cancri System by the HET
McArthur et. al., to appear in Dec 2004 ApJ


155 planets are known outside our
Solar System (June 13, 2005).



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We gratefully acknowledge support from: NASA, NSF, and Sun Microsystems.