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The Hipparcos-Gaia Catalog of Accelerations: Gaia EDR3 Edition
DOI: 10.3847/1538-4365/abf93c
Bibcode: 2021ApJS..254...42B
Brandt, Timothy D.
We present a cross-calibration of Hipparcos and Gaia EDR3 intended to identify astrometrically accelerating stars and to fit orbits to stars with faint, massive companions. The resulting catalog, the EDR3 edition of the Hipparcos-Gaia Catalog of Accelerations (HGCA), provides three proper motions with calibrated uncertainties on the EDR3 reference…
2021
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The Astrophysical Journal Supplement Series
Gaia
Hipparcos
228