The daily processing of asteroid observations by Gaia
Paolo Tanga, Francois Mignard, Aldo Dell Oro, Karri Muinonen, Thierry, Pauwels, William Thuillot, Jerome Berthier, Alberto Cellino, Daniel, Hestroffer, Jean-Marc Petit, Benoit Carry, Pedro David, Marco Delbo, Grigori, Fedorets, Laurent Galluccio, Mikael Granvik
TL;DR
This paper describes Gaia's daily asteroid observation processing, detailing the data pipeline, prediction tools, and validation tests, demonstrating the system's effectiveness and alignment with expected performance standards.
Contribution
It presents the first comprehensive outline of Gaia's daily processing system for asteroid observations, including tools, procedures, and validation methods.
Findings
Processing performance aligns with expectations
Tools effectively predict asteroid observations
Validation confirms data reduction quality
Abstract
The Gaia mission started its regular observing program in the summer of 2014, and since then it is regularly obtaining observations of asteroids. This paper draws the outline of the data processing for Solar System objects, and in particular on the daily "short-term" processing, from the on-board data acquisition to the ground-based processing. We illustrate the tools developed to compute predictions of asteroid observations, we discuss the procedures implemented by the daily processing, and we illustrate some tests and validations of the processing of the asteroid observations. Our findings are overall consistent with the expectations concerning the performances of Gaia and the effectiveness of the developed software for data reduction.
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