8.6k citations · 26.3k across the 68 of their papers we have counts for
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astro-ph.IM2015★ 14 cited
Quasars can be used to verify the parallax zero-point of the Tycho-Gaia Astrometric Solution
Daniel Michalik, Lennart Lindegren
Context. The Gaia project will determine positions, proper motions, and parallaxes for more than one billion stars in our Galaxy. It is known that Gaia's two telescopes are affecte…
astro-ph.IM2015★ 24 cited
Gaia astrometry for stars with too few observations - a Bayesian approach
Daniel Michalik, Lennart Lindegren, David Hobbs +1
Gaia's astrometric solution aims to determine at least five parameters for each star, together with appropriate estimates of their uncertainties and correlations. This requires at…