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The Gaia mission

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cam.issuedOnline2016-11-25
dc.contributor.authorPrusti, T
dc.contributor.authorDe Bruijne, JHJ
dc.contributor.authorBrown, AGA
dc.contributor.authorVallenari, A
dc.contributor.authorBabusiaux, C
dc.contributor.authorBailer-Jones, CAL
dc.contributor.authorBastian, U
dc.contributor.authorBiermann, M
dc.contributor.authorEvans, DW
dc.contributor.authorEyer, L
dc.contributor.authorJansen, F
dc.contributor.authorJordi, C
dc.contributor.authorKlioner, SA
dc.contributor.authorLammers, U
dc.contributor.authorLindegren, L
dc.contributor.authorLuri, X
dc.contributor.authorMignard, F
dc.contributor.authorMilligan, DJ
dc.contributor.authorPanem, C
dc.contributor.authorPoinsignon, V
dc.contributor.authorPourbaix, D
dc.contributor.authorRandich, S
dc.contributor.authorSarri, G
dc.contributor.authorSartoretti, P
dc.contributor.authorSiddiqui, HI
dc.contributor.authorSoubiran, C
dc.contributor.authorValette, V
dc.contributor.authorVan Leeuwen, F
dc.contributor.authorWalton, NA
dc.contributor.authorAerts, C
dc.contributor.authorArenou, F
dc.contributor.authorCropper, M
dc.contributor.authorDrimmel, R
dc.contributor.authorHøg, E
dc.contributor.authorKatz, D
dc.contributor.authorLattanzi, MG
dc.contributor.authorO'Mullane, W
dc.contributor.authorGrebel, EK
dc.contributor.authorHolland, AD
dc.contributor.authorHuc, C
dc.contributor.authorPassot, X
dc.contributor.authorBramante, L
dc.contributor.authorCacciari, C
dc.contributor.authorCastañeda, J
dc.contributor.authorChaoul, L
dc.contributor.authorCheek, N
dc.contributor.authorDe Angeli, F
dc.contributor.authorFabricius, C
dc.contributor.authorGuerra, R
dc.contributor.authorHernández, J
dc.contributor.authorJean-Antoine-Piccolo, A
dc.contributor.authorMasana, E
dc.contributor.authorMessineo, R
dc.contributor.authorMowlavi, N
dc.contributor.authorNienartowicz, K
dc.contributor.authorOrdóñez-Blanco, D
dc.contributor.authorPanuzzo, P
dc.contributor.authorPortell, J
dc.contributor.authorRichards, PJ
dc.contributor.authorRiello, M
dc.contributor.authorSeabroke, GM
dc.contributor.authorTanga, P
dc.contributor.authorThévenin, F
dc.contributor.authorTorra, J
dc.contributor.authorEls, SG
dc.contributor.authorGracia-Abril, G
dc.contributor.authorComoretto, G
dc.contributor.authorGarcia-Reinaldos, M
dc.contributor.authorLock, T
dc.contributor.authorMercier, E
dc.contributor.authorAltmann, M
dc.contributor.authorAndrae, R
dc.contributor.authorAstraatmadja, TL
dc.contributor.authorBellas-Velidis, I
dc.contributor.authorBenson, K
dc.contributor.authorBerthier, J
dc.contributor.authorBlomme, R
dc.contributor.authorBusso, G
dc.contributor.authorCarry, B
dc.contributor.authorCellino, A
dc.contributor.authorClementini, G
dc.contributor.authorCowell, S
dc.contributor.authorCreevey, O
dc.contributor.authorCuypers, J
dc.contributor.authorDavidson, M
dc.contributor.authorDe Ridder, J
dc.contributor.authorDe Torres, A
dc.contributor.authorDelchambre, L
dc.contributor.authorDell'Oro, A
dc.contributor.authorDucourant, C
dc.contributor.authorFrémat, Y
dc.contributor.authorGarcía-Torres, M
dc.contributor.authorGosset, E
dc.contributor.authorHalbwachs, JL
dc.contributor.authorHambly, NC
dc.contributor.authorHarrison, DL
dc.contributor.authorHauser, M
dc.contributor.authorHestroffer, D
dc.contributor.authorHodgkin, ST
dc.contributor.authorHuckle, HE
dc.contributor.orcidEvans, Dafydd [0000-0002-6685-5998]
dc.contributor.orcidvan Leeuwen, Floor [0000-0003-1781-4441]
dc.contributor.orcidWalton, Nicholas [0000-0003-3983-8778]
dc.contributor.orcidRiello, Marco [0000-0002-3134-0935]
dc.contributor.orcidHarrison, Diana [0000-0001-8687-6588]
dc.contributor.orcidHodgkin, Simon [0000-0002-5470-3962]
dc.date.accessioned2018-11-01T14:04:08Z
dc.date.available2018-11-01T14:04:08Z
dc.date.issued2016
dc.description.abstractGaia is a cornerstone mission in the science programme of the European Space Agency (ESA). The spacecraft construction was approved in 2006, following a study in which the original interferometric concept was changed to a direct-imaging approach. 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 and arrived at its operating point, the second Lagrange point of the Sun-Earth-Moon system, a few weeks later. The commissioning of the spacecraft and payload was completed on 19 July 2014. The nominal five-year mission started with four weeks of special, ecliptic-pole scanning and subsequently transferred into full-sky scanning mode. We recall the scientific goals of Gaia and give a description of the as-built spacecraft that is currently (mid-2016) being operated to achieve these goals. We pay special attention to the payload module, the performance of which is closely related to the scientific performance of the mission. We provide a summary of the commissioning activities and findings, followed by a description of the routine operational mode. We summarise scientific performance estimates on the basis of in-orbit operations. Several intermediate Gaia data releases are planned and the data can be retrieved from the Gaia Archive, which is available through the Gaia home page at http://www.cosmos.esa.int/gaia.
dc.identifier.doi10.17863/CAM.31912
dc.identifier.eissn1432-0746
dc.identifier.issn0004-6361
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/284538
dc.language.isoeng
dc.publisherEDP Sciences
dc.publisher.urlhttp://dx.doi.org/10.1051/0004-6361/201629272
dc.rightsAll rights reserved
dc.subjectspace vehicles: instruments
dc.subjectGalaxy: structure
dc.subjectastrometry
dc.subjectparallaxes
dc.subjectproper motions
dc.subjecttelescopes
dc.titleThe Gaia mission
dc.typeArticle
dcterms.dateAccepted2016-08-16
prism.publicationDate2016
prism.publicationNameAstronomy and Astrophysics
prism.volume595
pubs.funder-project-idScience and Technology Facilities Council (ST/N004493/1)
pubs.funder-project-idEuropean Research Council (320360)
pubs.funder-project-idEuropean Commission (606740)
pubs.funder-project-idEuropean Commission (264895)
pubs.funder-project-idScience and Technology Facilities Council (ST/L006553/1)
pubs.funder-project-idScience and Technology Facilities Council (ST/N000927/1)
rioxxterms.licenseref.startdate2016-11-01
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review
rioxxterms.versionVoR
rioxxterms.versionofrecord10.1051/0004-6361/201629272

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