Gaia Data Release 1. Principles of the photometric calibration of the G band

Carrasco Martínez, José Manuel; Evans, Dafydd Wyn; Montegriffo, Paolo; Jordi i Nebot, Carme; van Leeuwen, F.; Riello, Marco; Voss, Hölger; Angeli, Francesca de; Busso, G.; Fabricius, Claus; Cacciari, Carla; Weiler, Michael; Pancino, E.; Brown, A. G. A.; Holland, Greg; Burgess, P.; Osborne, Paul J.; Altavilla, G.; Gebran, M.; Ragaini, S.; Galleti, S.; Cocozza, G.; Marinoni, S.; Bellazzini, M.; Bragaglia, A.; Federici, L.; Balaguer Núñez, María de los Dolores

Gaia Data Release 1. Principles of the photometric calibration of the G band

Context. Gaia is an ESA cornerstone mission launched on 19 December 2013 aiming to obtain the most complete and precise 3D map of our Galaxy by observing more than one billion sources. This paper is part of a series of documents explaining the data processing and its results for Gaia Data Release 1,...

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Autores:	Carrasco Martínez, José Manuel, Evans, Dafydd Wyn, Montegriffo, Paolo, Jordi i Nebot, Carme, van Leeuwen, F., Riello, Marco, Voss, Hölger, Angeli, Francesca de, Busso, G., Fabricius, Claus, Cacciari, Carla, Weiler, Michael, Pancino, E., Brown, A. G. A., Holland, Greg, Burgess, P., Osborne, Paul J., Altavilla, G., Gebran, M., Ragaini, S., Galleti, S., Cocozza, G., Marinoni, S., Bellazzini, M., Bragaglia, A., Federici, L., Balaguer Núñez, María de los Dolores
Tipo de recurso:	artículo
Estado:	Versión publicada
Fecha de publicación:	2016
País:	España
Institución:	Universidad de Barcelona
Repositorio:	Dipòsit Digital de la UB
OAI Identifier:	oai:diposit.ub.edu:2445/127846
Acceso en línea:	https://hdl.handle.net/2445/127846
Access Level:	acceso abierto
Palabra clave:	Fotometria astronòmica Galàxies Astronomical photometry Galaxies

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repository_id_str
spelling	Gaia Data Release 1. Principles of the photometric calibration of the G bandCarrasco Martínez, José ManuelEvans, Dafydd WynMontegriffo, PaoloJordi i Nebot, Carmevan Leeuwen, F.Riello, MarcoVoss, HölgerAngeli, Francesca deBusso, G.Fabricius, ClausCacciari, CarlaWeiler, MichaelPancino, E.Brown, A. G. A.Holland, GregBurgess, P.Osborne, Paul J.Altavilla, G.Gebran, M.Ragaini, S.Galleti, S.Cocozza, G.Marinoni, S.Bellazzini, M.Bragaglia, A.Federici, L.Balaguer Núñez, María de los DoloresFotometria astronòmicaGalàxiesAstronomical photometryGalaxiesContext. Gaia is an ESA cornerstone mission launched on 19 December 2013 aiming to obtain the most complete and precise 3D map of our Galaxy by observing more than one billion sources. This paper is part of a series of documents explaining the data processing and its results for Gaia Data Release 1, focussing on the G band photometry. Aims. This paper describes the calibration model of the Gaia photometric passband for Gaia Data Release 1. Methods. The overall principle of splitting the process into internal and external calibrations is outlined. In the internal calibration, a self-consistent photometric system is generated. Then, the external calibration provides the link to the absolute photometric flux scales. Results. The Gaia photometric calibration pipeline explained here was applied to the first data release with good results. Details are given of the various calibration elements including the mathematical formulation of the models used and of the extraction and preparation of the required input parameters (e.g. colour terms). The external calibration in this first release provides the absolute zero point and photometric transformations from the Gaia G passband to other common photometric systems. Conclusions. This paper describes the photometric calibration implemented for the first Gaia data release and the instrumental effects taken into account. For this first release no aperture losses, radiation damage, and other second-order effects have not yet been implemented in the calibration.EDP Sciences2016info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/127846Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: https://doi.org/10.1051/0004-6361/201629235Astronomy & Astrophysics, 2016, vol. 595https://doi.org/10.1051/0004-6361/201629235info:eu-repo/grantAgreement/EC/FP7/606740(c) The European Southern Observatory (ESO), 2016info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1278462026-05-27T06:46:51Z
dc.title.none.fl_str_mv	Gaia Data Release 1. Principles of the photometric calibration of the G band
title	Gaia Data Release 1. Principles of the photometric calibration of the G band
spellingShingle	Gaia Data Release 1. Principles of the photometric calibration of the G band Carrasco Martínez, José Manuel Fotometria astronòmica Galàxies Astronomical photometry Galaxies
title_short	Gaia Data Release 1. Principles of the photometric calibration of the G band
title_full	Gaia Data Release 1. Principles of the photometric calibration of the G band
title_fullStr	Gaia Data Release 1. Principles of the photometric calibration of the G band
title_full_unstemmed	Gaia Data Release 1. Principles of the photometric calibration of the G band
title_sort	Gaia Data Release 1. Principles of the photometric calibration of the G band
dc.creator.none.fl_str_mv	Carrasco Martínez, José Manuel Evans, Dafydd Wyn Montegriffo, Paolo Jordi i Nebot, Carme van Leeuwen, F. Riello, Marco Voss, Hölger Angeli, Francesca de Busso, G. Fabricius, Claus Cacciari, Carla Weiler, Michael Pancino, E. Brown, A. G. A. Holland, Greg Burgess, P. Osborne, Paul J. Altavilla, G. Gebran, M. Ragaini, S. Galleti, S. Cocozza, G. Marinoni, S. Bellazzini, M. Bragaglia, A. Federici, L. Balaguer Núñez, María de los Dolores
author	Carrasco Martínez, José Manuel
author_facet	Carrasco Martínez, José Manuel Evans, Dafydd Wyn Montegriffo, Paolo Jordi i Nebot, Carme van Leeuwen, F. Riello, Marco Voss, Hölger Angeli, Francesca de Busso, G. Fabricius, Claus Cacciari, Carla Weiler, Michael Pancino, E. Brown, A. G. A. Holland, Greg Burgess, P. Osborne, Paul J. Altavilla, G. Gebran, M. Ragaini, S. Galleti, S. Cocozza, G. Marinoni, S. Bellazzini, M. Bragaglia, A. Federici, L. Balaguer Núñez, María de los Dolores
author_role	author
author2	Evans, Dafydd Wyn Montegriffo, Paolo Jordi i Nebot, Carme van Leeuwen, F. Riello, Marco Voss, Hölger Angeli, Francesca de Busso, G. Fabricius, Claus Cacciari, Carla Weiler, Michael Pancino, E. Brown, A. G. A. Holland, Greg Burgess, P. Osborne, Paul J. Altavilla, G. Gebran, M. Ragaini, S. Galleti, S. Cocozza, G. Marinoni, S. Bellazzini, M. Bragaglia, A. Federici, L. Balaguer Núñez, María de los Dolores
author2_role	author author author author author author author author author author author author author author author author author author author author author author author author author author
dc.subject.none.fl_str_mv	Fotometria astronòmica Galàxies Astronomical photometry Galaxies
topic	Fotometria astronòmica Galàxies Astronomical photometry Galaxies
description	Context. Gaia is an ESA cornerstone mission launched on 19 December 2013 aiming to obtain the most complete and precise 3D map of our Galaxy by observing more than one billion sources. This paper is part of a series of documents explaining the data processing and its results for Gaia Data Release 1, focussing on the G band photometry. Aims. This paper describes the calibration model of the Gaia photometric passband for Gaia Data Release 1. Methods. The overall principle of splitting the process into internal and external calibrations is outlined. In the internal calibration, a self-consistent photometric system is generated. Then, the external calibration provides the link to the absolute photometric flux scales. Results. The Gaia photometric calibration pipeline explained here was applied to the first data release with good results. Details are given of the various calibration elements including the mathematical formulation of the models used and of the extraction and preparation of the required input parameters (e.g. colour terms). The external calibration in this first release provides the absolute zero point and photometric transformations from the Gaia G passband to other common photometric systems. Conclusions. This paper describes the photometric calibration implemented for the first Gaia data release and the instrumental effects taken into account. For this first release no aperture losses, radiation damage, and other second-order effects have not yet been implemented in the calibration.
publishDate	2016
dc.date.none.fl_str_mv	2016
dc.type.none.fl_str_mv	info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion
format	article
status_str	publishedVersion
dc.identifier.none.fl_str_mv	https://hdl.handle.net/2445/127846
url	https://hdl.handle.net/2445/127846
dc.language.none.fl_str_mv	Inglés
language_invalid_str_mv	Inglés
dc.relation.none.fl_str_mv	Reproducció del document publicat a: https://doi.org/10.1051/0004-6361/201629235 Astronomy & Astrophysics, 2016, vol. 595 https://doi.org/10.1051/0004-6361/201629235 info:eu-repo/grantAgreement/EC/FP7/606740
dc.rights.none.fl_str_mv	(c) The European Southern Observatory (ESO), 2016 info:eu-repo/semantics/openAccess
rights_invalid_str_mv	(c) The European Southern Observatory (ESO), 2016
eu_rights_str_mv	openAccess
dc.format.none.fl_str_mv	application/pdf
dc.publisher.none.fl_str_mv	EDP Sciences
publisher.none.fl_str_mv	EDP Sciences
dc.source.none.fl_str_mv	Articles publicats en revistes (Física Quàntica i Astrofísica) reponame:Dipòsit Digital de la UB instname:Universidad de Barcelona
instname_str	Universidad de Barcelona
reponame_str	Dipòsit Digital de la UB
collection	Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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Gaia Data Release 1. Principles of the photometric calibration of the G band

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