1.2k citations · 3.1k across the 42 of their papers we have counts for
42 papers
USNO Bright Star Catalog, version 1
Norbert Zacharias, Valeri V. Makarov, Charles T. Finch +3
USNO Bright Star Catalog (UBSC) is a new astrometric catalog of 1423 brightest stars covering the entire sky, which is published online. It is nearly complete to mag except f…
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…
Fundamental Reference AGN Monitoring Experiment (FRAMEx) I: Jumping Out of the Plane with the VLBA
Travis C. Fischer, Nathan J. Secrest, Megan C. Johnson +7
We present the first results from the Fundamental Reference AGN Monitoring Experiment (FRAMEx), an observational campaign dedicated to understanding the physical processes that aff…
The Fundamental Reference AGN Monitoring Experiment (FRAMEx)
B. Dorland, N. Secrest, M. Johnson +6
The U.S. Naval Observatory (USNO), in collaboration with Paris Observatory (OP), is conducting the Fundamental Reference AGN Monitoring Experiment, or FRAMEx. FRAMEx will use USNO'…
URAT South Parallax Results: Discovery of New Nearby Stars
Charlie Finch, Norbert Zacharias, Wei-Chun Jao
We present 916 trigonometric parallaxes and proper motions of newly discovered nearby stars from the United States Naval Observatory (USNO) Robotic Astrometric Telescope (URAT). Ob…