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The Full-sky Astrometric Mapping Explorer -- Astrometry for the New Millennium
Scott D. Horner, Marvin E. Germain, Thomas P. Greene +10
FAME is designed to perform an all-sky, astrometric survey with unprecedented accuracy. It will create a rigid astrometric catalog of 4x10^7 stars with 5 < m_V < 15. For bright sta…
Exoplanets or Dynamic Atmospheres? The Radial Velocity and Line Shape Variations of 51 Pegasi and Tau Bootis
Timothy M. Brown, Rubina Kotak, Scott D. Horner +4
Because of our relatively low spectral resolution, we compare our observations with Gray's line bisector data by fitting observed line profiles to an expansion in terms of orthogon…
A Search for Line Shape and Depth Variations in 51 Pegasi and Tau Bootis
T. M. Brown, R. Kotak, S. D. Horner +4
Spectroscopic observations of 51 Pegasi and tau Bootis show no periodic changes in the shapes of their line profiles; these results for 51 Peg are in significant conflict with thos…
A Planet Orbiting the Star Rho Coronae Borealis
R. W. Noyes, S. Jha, S. G. Korzennik +5
We report the discovery of near-sinusoidal radial velocity variations of the G0V star rhoCrB, with period 39.6 days and amplitude 67 m/s. These variations are consistent with the e…