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astro-ph2004
Detection of a NEPTUNE-mass planet in the Cancri system using the Hobby-Eberly Telescope
Barbara E. McArthur, Michael Endl, William D. Cochran +9
We report the detection of the lowest mass extra-solar planet yet found around a Sun-like star - a planet with an \msini of only 14.21 2.91 Earth masses in an extremely short…
astro-ph2004
An HST parallax of the distant cataclysmic variable V1223 Sgr, its system parameters, and accretion rate
K. Beuermann, Th. E. Harrison, B. E. McArthur +2
Using the Hubble space Telescope Fine Guidance Sensor, we have measured the trigonometric parallax of the bright cataclysmic variable 1223 Sgr. The absolute parallax is pi(abs)= 1.…