2020
DOI: 10.48550/arxiv.2008.03446
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Using Gaia DR2 to solve differential color refraction and charge transfer efficiency issues

F. R. Lin,
Q. Y. Peng,
Z. J. Zheng

Abstract: The Gaia DR2 catalog released in 2018 gives information about more than one billion stars, including their extremely precise positions that are not affected by the atmosphere, as well as the magnitudes in the G, RP, and BP passbands. This information provides great potential for the improvement of the ground-based astrometry. Based on Gaia DR2, we present a convenient method to calibrate the differential color refraction (DCR). This method only requires observations with dozens of stars taken through a selecte… Show more

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