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Gaia Data Release 2. Photometric content and validation

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cris.lastimport.scopus2024-02-12T20:28:24Z
dc.abstract.enAims: We describe the photometric content of the second data release of the Gaia project (Gaia DR2) and its validation along with the quality of the data. Methods: The validation was mainly carried out using an internal analysis of the photometry. External comparisons were also made, but were limited by the precision and systematics that may be present in the external catalogues used. Results: In addition to the photometric quality assessment, we present the best estimates of the three photometric passbands. Various colour-colour transformations are also derived to enable the users to convert between the Gaia and commonly used passbands. Conclusions: The internal analysis of the data shows that the photometric calibrations can reach a precision as low as 2 mmag on individual CCD measurements. Other tests show that systematic effects are present in the data at the 10 mmag level.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorEvans, D. W.
dc.contributor.authorRiello, M.
dc.contributor.authorAngeli, F. De
dc.contributor.authorCarrasco, J. M.
dc.contributor.authorMontegriffo, P.
dc.contributor.authorFabricius, C.
dc.contributor.authorJordi, C.
dc.contributor.authorPalaversa, L.
dc.contributor.authorDiener, C.
dc.contributor.authorBusso, G.
dc.contributor.authorCacciari, C.
dc.contributor.authorLeeuwen, F. van
dc.contributor.authorBurgess, P. W.
dc.contributor.authorDavidson, M.
dc.contributor.authorHarrison, D. L.
dc.contributor.authorHodgkin, S. T.
dc.contributor.authorPancino, E.
dc.contributor.authorRichards, P. J.
dc.contributor.authorAltavilla, G.
dc.contributor.authorBalaguer-Núñez, L.
dc.contributor.authorBarstow, M. A.
dc.contributor.authorBellazzini, M.
dc.contributor.authorBrown, A. G. A.
dc.contributor.authorCastellani, M.
dc.contributor.authorCocozza, G.
dc.contributor.authorLuise, F. De
dc.contributor.authorDelgado, A.
dc.contributor.authorDucourant, C.
dc.contributor.authorGalleti, S.
dc.contributor.authorGilmore, G.
dc.contributor.authorGiuffrida, G.
dc.contributor.authorHoll, B.
dc.contributor.authorKewley, A.
dc.contributor.authorKoposov, S. E.
dc.contributor.authorMarinoni, S.
dc.contributor.authorMarrese, P. M.
dc.contributor.authorOsborne, P. J.
dc.contributor.authorPiersimoni, A.
dc.contributor.authorPortell, J.
dc.contributor.authorPulone, L.
dc.contributor.authorRagaini, S.
dc.contributor.authorSanna, N.
dc.contributor.authorTerrett, D.
dc.contributor.authorWalton, N. A.
dc.contributor.authorWevers, T.
dc.contributor.authorWyrzykowski, Łukasz
dc.date.accessioned2024-01-25T01:48:27Z
dc.date.available2024-01-25T01:48:27Z
dc.date.copyright2018-04-25
dc.date.issued2018
dc.description.accesstimeBEFORE_PUBLICATION
dc.description.financeNie dotyczy
dc.description.versionORIGINAL_AUTHOR
dc.description.volume616
dc.identifier.doi10.1051/0004-6361/201832756
dc.identifier.issn0004-6361
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/107688
dc.identifier.weblinkhttp://adsabs.harvard.edu/abs/2018A&A...616A...4E
dc.languageeng
dc.pbn.affiliationastronomy
dc.relation.ispartofAstronomy and Astrophysics
dc.relation.pagesA4
dc.rightsOther
dc.sciencecloudnosend
dc.titleGaia Data Release 2. Photometric content and validation
dc.typeJournalArticle
dspace.entity.typePublication