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J. Castañeda

Researcher at University of Barcelona

Publications -  58
Citations -  17563

J. Castañeda is an academic researcher from University of Barcelona. The author has contributed to research in topics: Astrometry & Stars. The author has an hindex of 24, co-authored 47 publications receiving 12661 citations.

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Gaia Data Release 2: Observational Hertzsprung-Russell diagrams

C. Babusiaux, +451 more
TL;DR: In this article, the power of the Gaia DR2 in studying many fine structures of the Hertzsprung-Russell diagram (HRD) was highlighted, depending in particular on stellar population selections.
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Gaia Data Release 1 - Astrometry: one billion positions, two million proper motions and parallaxes

Lennart Lindegren, +83 more
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.
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Gaia Data Release 2. Observations of solar system objects

Federica Spoto, +501 more
TL;DR: In this paper, the authors describe the processing of the Gaia DR2 data, and describe the criteria used to select the sample published in Gaia DR 2, and explore the data set to assess its quality.
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Gaia Data Release 2. Kinematics of globular clusters and dwarf galaxies around the Milky Way

Amina Helmi, +484 more
TL;DR: In this paper, the second data release of the Gaia mission and its power for constraining many different aspects of the dynamics of the satellites of the Milky Way is demonstrated. But the accuracy of the errors, statistical and systematic, are relatively well understood.
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Gaia Early Data Release 3. The astrometric solution

Lennart Lindegren, +104 more
TL;DR: Gaia Early Data Release 3 (Gaia EDR3) as mentioned in this paper contains results for 1.812 billion sources in the magnitude range G = 3-21 based on observations collected by the European Space Agency Gaia satellite during the first 34 months of its operational phase.