Holl Berry - Gaia
Gaia was proposed in 1993 and since then, many people have been involved in the Gaia mission, whether at ESA, at industry side or at one of the institutes involved in the Gaia data processing. The Gaia Data Processing and Analysis Consortium (DPAC) is a collaboration which consists of around 450 scientists and engineers.
The list of Gaia contributors presented here should not be considered a complete representation of the entire consortium. A more complete list of Gaia contributors that were involved in the creation of the Gaia catalogues can be obtained from the author lists of the Gaia Collaboration papers (for Gaia Data Release 1 see here, for Gaia Data Release 2 see here, for Gaia Early Data Release 3 see here). A history of contributions to the Gaia mission can be found from the acknowledgements given with each data release.
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Observatoire de Genève
Berry Holl has been involved in Gaia since 2007, when he started his Ph.D in Lund on the "Characterization and analysis of the astrometric errors in the global astrometric solution for Gaia" under the supervision of Lennart Lindegren, and within the EU Marie Curie Research Training Network ELSA (European Leadership in Space Astrometry). As part of his Ph.D he developed important parts of AGISLab: a java software that enables elaborate simulations and experiments for Gaia astrometry. Additionally he has been involved in the calibration issues related to radiation damage of the Gaia CCDs.
Gaia people archive