van Leeuwen, F.F.van LeeuwenEvans, D. W.D. W.EvansDe Angeli, F.F.De AngeliPancino, ElenaElenaPancinoAltavilla, G.G.AltavillaMarinoni, S.S.MarinoniBuonanno, R.R.BuonannoMarrese, P. M.P. M.Marrese2020-09-172020-09-172017-02-01https://hdl.handle.net/20.500.13025/5038Astronomy & Astrophysics, Volume 599, id.A32, <NUMPAGES>8</NUMPAGES> pp.Context. This paper presents an overview of the photometric data that are part of the first Gaia data release. <BR /> Aims The principles of the processing and the main characteristics of the Gaia photometric data are presented. <BR /> Methods The calibration strategy is outlined briefly and the main properties of the resulting photometry are presented. <BR /> Results Relations with other broadband photometric systems are provided. The overall precision for the Gaia photometry is shown to be at the milli-magnitude level and has a clear potential to improve further in future releases.catalogssurveysinstrumentation photometerstechniques photometricGalaxy general10.1051/0004-6361/201630064http://adsabs.harvard.edu/abs/2017A&A...599A..32V2017A&A...599A..32V