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Looking for astrometric signals below 20 m/s: A Jupiter-mass planet signature in Eri
Valeri V. Makarov, Norbert Zacharias, Charles T. Finch
The USNO ground-based astrometric program URAT-Bright in combination with the Hipparcos mission epoch astrometry provides precise proper motions of a thousand bright stars in the s…
Looking for astrometric signals below 20 m/s: A candidate exo-Jupiter in Pav
Valeri V. Makarov, Norbert Zacharias, Charles T. Finch
We use a combination of Hipparcos space mission data with the USNO dedicated ground-based astrometric program URAT-Bright designed to complement and verify Gaia results for the bri…
Pluto's Atmosphere Does Not Collapse
C. B. Olkin, L. A. Young, D. Borncamp +21
Combining stellar occultation observations probing Pluto's atmosphere from 1988 to 2013 and models of energy balance between Pluto's surface and atmosphere, we conclude that Pluto'…