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FältnamnIndikatorerMetadata
00014727naa a2201345 4500
001oai:DiVA.org:uu-511902
003SwePub
008230920s2023 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5119022 URI
024a https://doi.org/10.1051/0004-6361/2022434622 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Andrae, R.u Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany.4 aut
2451 0a Gaia Data Release 3 :b Analysis of the Gaia BP/RP spectra using the General Stellar Parameterizer from Photometry
264 c 2022-06-13
264 1b EDP Sciences,c 2023
338 a electronic2 rdacarrier
520 a Context: The astrophysical characterisation of sources is among the major new data products in the third Gaia Data Release (DR3). In particular, there are stellar parameters for 471 million sources estimated from low-resolution BP /RP spectra.Aims: We present the General Stellar Parameterizer from Photometry (GSP-Phot), which is part of the astrophysical parameters inference system (Apsis). GSP-Phot is designed to produce a homogeneous catalogue of parameters for hundreds of millions of single non-variable stars based on their astrometry, photometry, and low-resolution BP/RP spectra. These parameters are effective temperature, surface gravity, metallicity, absolute MG magnitude, radius, distance, and extinction for each star.Methods: GSP-Phot uses a Bayesian forward-modelling approach to simultaneously fit the BP /RP spectrum, parallax, and apparent G magnitude. A major design feature of GSP-Phot is the use of the apparent flux levels of BP /RP spectra to derive, in combination with isochrone models, tight observational constraints on radii and distances. We carefully validate the uncertainty estimates by exploiting repeat Gaia observations of the same source.Results: The data release includes GSP-Phot results for 471 million sources with G < 19. Typical differences to literature values are 110K for T-eff and 0.2-0.25 for log g, but these depend strongly on data quality. In particular, GSP-Phot results are significantly better for stars with good parallax measurements (pi/sigma(pi) > 20), mostly within 2 kpc. Metallicity estimates exhibit substantial biases compared to literature values and are only useful at a qualitative level. However, we provide an empirical calibration of our metallicity estimates that largely removes these biases. Extinctions A(0) and A(BP) show typical di fferences from reference values of 0.07-0.09 mag. MCMC samples of the parameters are also available for 95% of the sources.Conclusions: GSP-Phot provides a homogeneous catalogue of stellar parameters, distances, and extinctions that can be used for various purposes, such as sample selections (OB stars, red giants, solar analogues etc.). In the context of asteroseismology or ground-based interferometry, where targets are usually bright and have good parallax measurements, GSP-Phot results should be particularly useful for combined analysis or target selection.
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a stars: fundamental parameters
653 a surveys
653 a catalogs
653 a methods: data analysis
700a Fouesneau, M.u Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany.4 aut
700a Sordo, R.u INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy.4 aut
700a Bailer-Jones, C. A. L.u Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany.4 aut
700a Dharmawardena, T. E.u Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany.4 aut
700a Rybizki, J.u Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany.4 aut
700a De Angeli, F.u Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England.4 aut
700a Lindstrom, H. E. P.u INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, TO, Italy.;Univ Copenhagen, Niels Bohr Inst, Juliane Maries Vej 30, DK-2100 Copenhagen O, Denmark.;DXC Technol, Retortvej 8, DK-2500 Valby, Denmark.4 aut
700a Marshall, D. J.u Univ Toulouse, CNRS, IRAP, UPS, 9 Ave Colonel Roche,BP 44346, F-31028 Toulouse 4, France.4 aut
700a Drimmel, R.u INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, TO, Italy.4 aut
700a Korn, Andreas,d 1972-u Uppsala universitet,Observationell astrofysik4 aut0 (Swepub:uu)ankor103
700a Soubiran, C.u Univ Bordeaux, CNRS, Lab Astrophys Bordeaux, B18N Allee Geoffroy St Hilaire, F-33615 Pessac, France.4 aut
700a Brouillet, N.u Univ Bordeaux, CNRS, Lab Astrophys Bordeaux, B18N Allee Geoffroy St Hilaire, F-33615 Pessac, France.4 aut
700a Casamiquela, L.u Univ Bordeaux, CNRS, Lab Astrophys Bordeaux, B18N Allee Geoffroy St Hilaire, F-33615 Pessac, France.;Univ PSL, CNRS, GEPI, Observ Paris, 5 Pl Jules Janssen, F-92190 Meudon, France.4 aut
700a Rix, H. -W4 aut
700a Aramburu, A. Abreuu ATG Europe European Space Agcy ESA, Camino Bajo Castillo S-N, Madrid 28692, Spain.4 aut
700a Alvarez, M. A.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Bakker, J.u European Space Agcy ESA, European Space Astron Ctr ESAC, Camino Bajo Castillo S-N, Madrid 28692, Spain.4 aut
700a Bellas-Velidis, I.u Natl Observ Athens, 1 Metaxa & Vas Pavlou,Palaia Penteli, Athens 15236, Greece.4 aut
700a Bijaoui, A.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Brugaletta, E.u INAF Osservatorio Astrofis Catania, Via S Sofia 78, I-95123 Catania, Italy.4 aut
700a Burlacu, A.u Telespazio CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Carballo, R.u Univ Cantabria, Dept Matemat Aplicada & Ciencias Computac, ETS Ingenieros Caminos Canales & Puertos, Ave Castros S-N, Santander 39005, Spain.4 aut
700a Chaoul, L.u CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Chiavassa, A.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Contursi, G.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Cooper, W. J.u Univ Hertfordshire, Ctr Astrophys Res, Coll Lane, Hatfield AL10 9AB, Herts, England.4 aut
700a Creevey, O. L.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Dafonte, C.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Dapergolas, A.u Natl Observ Athens, 1 Metaxa & Vas Pavlou,Palaia Penteli, Athens 15236, Greece.4 aut
700a De laverny, P.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Delchambre, L.u Univ Liege, Inst Astrophys & Geophys, 19C Allee Six Aout, B-4000 Liege, Belgium.4 aut
700a Demouchy, C.u APAVE SUDEUROPE SAS, CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Edvardsson, Bengt,c Associate Professor,d 1956-u Uppsala universitet,Teoretisk astrofysik4 aut0 (Swepub:uu)bengedva
700a Fremat, Y.u Royal Observ Belgium, Ringlaan 3, B-1180 Brussels, Belgium.4 aut
700a Garabato, D.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Garcia-Lario, P.u European Space Agcy ESA, European Space Astron Ctr ESAC, Camino Bajo Castillo S-N, Madrid 28692, Spain.4 aut
700a Garcia-Torres, M.u Univ Pablo de Olavide, Data Sci & Big Data Lab, Seville 41013, Spain.4 aut
700a Gavel, Alvin,d 1989-u Uppsala universitet,Observationell astrofysik4 aut0 (Swepub:uu)alvga193
700a Gomez, A.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Gonzalez-Santamaria, I.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Hatzidimitriou, D.u Natl Observ Athens, 1 Metaxa & Vas Pavlou,Palaia Penteli, Athens 15236, Greece.;Natl & Kapodistrian Univ Athens, Dept Astrophys Astron & Mech, Zografos 15783, Greece.4 aut
700a Heiter, Ulrikeu Uppsala universitet,Observationell astrofysik4 aut0 (Swepub:uu)ulhei450
700a Piccolo, A. Jean-Antoineu CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Kontizas, M.u Natl & Kapodistrian Univ Athens, Dept Astrophys Astron & Mech, Zografos 15783, Greece.4 aut
700a Kordopatis, G.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Lanzafame, A. C.u INAF Osservatorio Astrofis Catania, Via S Sofia 78, I-95123 Catania, Italy.;Univ Catania, Dipartimento Fis & Astron Ettore Majorana, Via S Sofia 64, I-95123 Catania, Italy.4 aut
700a Lebreton, Y.u Sorbonne Univ, Univ PSL, Univ Paris, CNRS,LESIA, 5 Pl Jules Janssen, F-92190 Meudon, France.;Univ Rennes, CNRS, IPR Inst Phys Rennes, UMR 6251, F-35000 Rennes, France.4 aut
700a Licata, E. L.u INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, TO, Italy.4 aut
700a Livanou, E.u Natl & Kapodistrian Univ Athens, Dept Astrophys Astron & Mech, Zografos 15783, Greece.4 aut
700a Lobel, A.u Royal Observ Belgium, Ringlaan 3, B-1180 Brussels, Belgium.4 aut
700a Lorca, A.u Aurora Technol European Space Agcy ESA, Camino Bajo Castillo S-N, Madrid 28692, Spain.4 aut
700a Romeo, A. Magdalenou Telespazio CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Manteiga, M.u Univ A Coruna, Dept Naut Sci & Marine Engn, CIGUS CITIC, Paseo Ronda 51, La Coruna 15071, Spain.4 aut
700a Marocco, F.u CALTECH, IPAC, Mail Code 100-22, Pasadena, CA 10022 USA.4 aut
700a Mary, N.u Thales Serv CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Nicolas, C.u CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Ordenovic, C.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Pailler, F.u CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Palicio, P. A.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Pallas-Quintela, L.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Panem, C.u CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Pichon, B.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Poggio, E.u INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, TO, Italy.;Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Recio-Blanco, A.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Riclet, F.u CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Robin, C.u Thales Serv CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Santovena, R.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Sarro, L. M.u UNED, Dept Inteligencia Artificial, C Juan Rosal 16, Madrid 28040, Spain.4 aut
700a Schultheis, M. S.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Segol, M.u APAVE SUDEUROPE SAS, CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Silvelo, A.u Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Slezak, I.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Smart, R. L.u INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, TO, Italy.4 aut
700a Suveges, M.u Univ Geneva, Inst Global Hlth, Geneva, Switzerland.4 aut
700a Thevenin, F.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Elipe, G. Torralbau Univ A Coruna, CIGUS CITIC, Dept Comp Sci & Informat Technol, Campus Elvina S-N, La Coruna 15071, Spain.4 aut
700a Ulla, A.u Univ Vigo, Dept Appl Phys, Vigo 36310, Spain.4 aut
700a Utrilla, E.u Aurora Technol European Space Agcy ESA, Camino Bajo Castillo S-N, Madrid 28692, Spain.4 aut
700a Vallenari, A.u INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy.4 aut
700a van Dillen, E.u APAVE SUDEUROPE SAS, CNES Ctr Spatial Toulouse, 18 Ave Edouard Belin, F-31401 Toulouse 9, France.4 aut
700a Zhao, H.u Univ Cote Azur, CNRS, Lab Lagrange, Observ Cote Azur, Bd Observ,CS 34229, F-06304 Nice 4, France.4 aut
700a Zorec, J.u Sorbonne Univ, Inst Astrophys Paris, CNRS, 98Bis Bd Arago, F-75014 Paris, France.4 aut
710a Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany.b INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy.4 org
773t Astronomy and Astrophysicsd : EDP Sciencesg 674q 674x 0004-6361x 1432-0746
856u https://doi.org/10.1051/0004-6361/202243462y Fulltext
856u https://uu.diva-portal.org/smash/get/diva2:1798939/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-511902
8564 8u https://doi.org/10.1051/0004-6361/202243462

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