I. Serraller

TL;DR: Gaia Data Release 1 (Gaia DR1) as discussed by the authors contains a large amount of data collected by the Gaia satellite during the first 14 months of its operational phase, including positions, parallaxes, and proper motions to Hipparcos-type precision or better.

TL;DR: Gaia Data Release 1 (Gaia DR1) as mentioned in this paper contains a large amount of data collected by the Gaia satellite during the first 14 months of its operational phase, including positions, parallaxes, and proper motions to Hipparcos-type precision or better.

TL;DR: The first data release from the Gaia mission contains accurate positions and magnitudes for more than a billion sources, and proper motions and parallaxes for the majority of the 2.5 million HIPPARCOS and Tycho-2 stars as mentioned in this paper.

TL;DR: Hodgkin et al. as mentioned in this paper presented an open-access version of their paper, which is available for free under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), provided the original work is properly cited.

TL;DR: In this article, the authors made use of data from the European Space Agency (ESA) mission, processed by the Data Processing and Analysis Consortium (DPAC), processed by national institutions, in particular the institutions participating in the \gaia\ multilateral agreement.