Astronomy and Astrophysics· 2018Q1

<i>Gaia</i> Data Release 2

L. Lindegren, Jesús Hernández, A. Bombrun, S. A. Klioner et al.

1,986citations
Q1SCImago
2018year

Short summary

Gaia Data Release 2 (DR2) provides astrometric parameters (positions, parallaxes, proper motions) for 1.33 billion sources and approximate positions for an additional 361 million, with median parallax uncertainties of 0.04 mas for bright sources and 0.7 mas for G=20 mag sources.

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Field: Astronomy and Astrophysics

Astronomy and AstrophysicsPhysics and Astronomy