Gaia Data Release 2 (2018)
Data creators :
Gaia Data Processing and Analysis Consortium, European Space Agency,
Céline Reylé [1] [2]
Data collector :
Gaia Data Processing and Analysis Consortium, European Space Agency,
Annie Robin [1] [2],
Jean-Marc Petit [1] [2],
Céline Reylé [1] [2],
Sékou Diakité [1] [2]
[1] : Institut UTINAM (UMR 6213) (Université de Franche-Comté)
[2] : Observatoire des Sciences de l'Univers - Terre, Homme, Environnement, Temps, Astronomie (UAR 3245) (Université de Franche-Comté)
Description :
Gaia is a cornerstone mission in the science programme of the European Space Agency (ESA). The spacecraft construction was approved in 2006,. Both the spacecraft and the payload were built by European industry. The involvement of the scientific community focusses on data processing for which the international Gaia Data Processing and Analysis Consortium (DPAC) was selected in 2007. Gaia was launched on 19 December 2013. The second data release is based on 22 months of observations, and was issued on 25 April 2018. It contains the five-parameter astrometric solution - positions on the sky (α, δ), parallaxes, and proper motions - for more than 1.3 billion sources, with a limiting magnitude of G = 21 and a bright limit of G ≈ 3. The full description is given in https://www.cosmos.esa.int/web/gaia/dr2
Discipline :
astronomy & astrophysics (sciences of the universe)
Keywords :
General metadata
Data acquisition date :
from 25 Jul 2014 to 23 May 2016
Data acquisition methods :
- Observational data : Astrometric Space mission
Formats :
application/fits, application/x-votable+xml, text/csv, text/html, text/xml
Audience :
Research
Publications :
- Gaia Data Release 2. Summary of the contents and survey properties (doi:10.1051/0004-6361/201833051)
- The Gaia mission (doi:10.1051/0004-6361/201629272)
Collection :
Publisher :
European Space Agency
Project and funders :
-
GAIA
- CNES - Centre national d'études spatiales (Another national)
- ESA - European Space Agency (Another international)
DOI and links
10.25666/DATAOSU-2018-06-25
https://dx.doi.org/doi:10.25666/DATAOSU-2018-06-25
https://search-data.ubfc.fr/FR-18008901306731-2018-06-25
Quotation
DPAC, Céline Reylé (2018): Gaia Data Release 2. ESA. doi:10.25666/DATAOSU-2018-06-25
Record created 25 Jun 2018 by Céline Reylé.
Last modification : 30 Jan 2024.
Local identifier: FR-18008901306731-2018-06-25.