Finding quadruply imaged quasars with machine learning-I. Methods

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversity of California-
Autor(es): dc.contributorNazarbayev University-
Autor(es): dc.contributorInter-University Centre for Astronomy and Astrophysics (IUCAA)-
Autor(es): dc.contributorUniversity of Tokyo-
Autor(es): dc.contributorStanford University-
Autor(es): dc.contributorUniversity of Chicago-
Autor(es): dc.contributorWuhan University-
Autor(es): dc.contributorObservatoire de Sauverny-
Autor(es): dc.contributorNiels Bohr Institute-
Autor(es): dc.contributorFermi National Accelerator Laboratory-
Autor(es): dc.contributorUniver sity of Chica go-
Autor(es): dc.contributorLaboratorio Interinstitucional de e-Astronomia-LIneA-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversity College London-
Autor(es): dc.contributorSLAC National Accelerator Laboratory-
Autor(es): dc.contributorNational Center for Supercomputing Applications-
Autor(es): dc.contributorUniversity of Illinois at Urbana-Champaign-
Autor(es): dc.contributorBarcelona Institute of Science and Technology-
Autor(es): dc.contributorOhio State University-
Autor(es): dc.contributorUniversity of Manchester-
Autor(es): dc.contributorSchool of Physics and Astronomy-
Autor(es): dc.contributorUniversity of Trieste-
Autor(es): dc.contributorINAF-Osservatorio Astronomico di Trieste-
Autor(es): dc.contributorInstitute for Fundamental Physics of the Universe-
Autor(es): dc.contributorObservatorio Nacional-
Autor(es): dc.contributorUniversity of Michigan-
Autor(es): dc.contributorUniversitat Hamburg-
Autor(es): dc.contributorMedioambientales y Tecnologicas (CIEMAT)-
Autor(es): dc.contributorIIT Hyderabad-
Autor(es): dc.contributorLudwig-Maximilians-Universitat-
Autor(es): dc.contributorSanta Cruz Institute for Particle Physics-
Autor(es): dc.contributorUniversidad Autonoma de Madrid-
Autor(es): dc.contributorLudwig-Maximilians Univer-sit ät M ünchen-
Autor(es): dc.contributorUniversity of Queensland-
Autor(es): dc.contributorCenter for Astrophysics | Harvard & Smithsonian-
Autor(es): dc.contributorLawrence Berkeley National Laboratory-
Autor(es): dc.contributorMacquarie University-
Autor(es): dc.contributorLowell Observatory-
Autor(es): dc.contributorUniversidade de S ao Paulo-
Autor(es): dc.contributorUniversity of Pennsylvania-
Autor(es): dc.contributorInstitucio Catalana de Recerca i Estudis Avan cats-
Autor(es): dc.contributorUniversity of Wisconsin-Madison-
Autor(es): dc.contributorUniversity of Cambridge-
Autor(es): dc.contributorPrinceton University-
Autor(es): dc.contributorInstitut d'Estudis Espacials de Catalunya (IEEC)-
Autor(es): dc.contributorCSIC)-
Autor(es): dc.contributorUniversity of Southampton-
Autor(es): dc.contributorOak Ridge National Labo-ratory-
Autor(es): dc.contributorMax Planck Institute for Extraterrestrial Physics-
Autor(es): dc.creatorAkhazhanov, A.-
Autor(es): dc.creatorMore, A.-
Autor(es): dc.creatorAmini, A.-
Autor(es): dc.creatorHazlett, C.-
Autor(es): dc.creatorTreu, T.-
Autor(es): dc.creatorBirrer, S.-
Autor(es): dc.creatorShajib, A.-
Autor(es): dc.creatorLiao, K.-
Autor(es): dc.creatorLemon, C.-
Autor(es): dc.creatorAgnello, A.-
Autor(es): dc.creatorNord, B.-
Autor(es): dc.creatorAguena, M.-
Autor(es): dc.creatorAllam, S.-
Autor(es): dc.creatorAndrade-Oliveira, F.-
Autor(es): dc.creatorAnnis, J.-
Autor(es): dc.creatorBrooks, D.-
Autor(es): dc.creatorBuckley-Geer, E.-
Autor(es): dc.creatorBurke, D. L.-
Autor(es): dc.creatorCarnero Rosell, A.-
Autor(es): dc.creatorCarrasco Kind, M.-
Autor(es): dc.creatorCarretero, J.-
Autor(es): dc.creatorChoi, A.-
Autor(es): dc.creatorConselice, C.-
Autor(es): dc.creatorCostanzi, M.-
Autor(es): dc.creatorCosta, L. N. da-
Autor(es): dc.creatorPereira, M. E. S.-
Autor(es): dc.creatorVicente, J. de-
Autor(es): dc.creatorDesai, S.-
Autor(es): dc.creatorDietrich, J. P.-
Autor(es): dc.creatorDoel, P.-
Autor(es): dc.creatorEverett, S.-
Autor(es): dc.creatorFerrero, I.-
Autor(es): dc.creatorFinley, D. A.-
Autor(es): dc.creatorFlaugher, B.-
Autor(es): dc.creatorFrieman, J.-
Autor(es): dc.creatorGarciá-Bellido, J.-
Autor(es): dc.creatorGerdes, D. W.-
Autor(es): dc.creatorGruen, D.-
Autor(es): dc.creatorGruendl, R. A.-
Autor(es): dc.creatorGschwend, J.-
Autor(es): dc.creatorGutierrez, G.-
Autor(es): dc.creatorHinton, S. R.-
Autor(es): dc.creatorHollowood, D. L.-
Autor(es): dc.creatorHonscheid, K.-
Autor(es): dc.creatorJames, D. J.-
Autor(es): dc.creatorKim, A. G.-
Autor(es): dc.creatorKuehn, K.-
Autor(es): dc.creatorKuropatkin, N.-
Autor(es): dc.creatorLahav, O.-
Autor(es): dc.creatorLima, M.-
Autor(es): dc.creatorLin, H.-
Autor(es): dc.creatorMaia, M. A.G.-
Autor(es): dc.creatorMarch, M.-
Autor(es): dc.creatorMenanteau, F.-
Autor(es): dc.creatorMiquel, R.-
Autor(es): dc.creatorMorgan, R.-
Autor(es): dc.creatorPalmese, A.-
Autor(es): dc.creatorPaz-Chinchón, F.-
Autor(es): dc.creatorPieres, A.-
Autor(es): dc.creatorPlazas Malagón, A. A.-
Autor(es): dc.creatorSanchez, E.-
Autor(es): dc.creatorScarpine, V.-
Autor(es): dc.creatorSerrano, S.-
Autor(es): dc.creatorSevilla-Noarbe, I.-
Autor(es): dc.creatorSmith, M.-
Autor(es): dc.creatorSoares-Santos, M.-
Autor(es): dc.creatorSuchyta, E.-
Autor(es): dc.creatorSwanson, M. E. C.-
Autor(es): dc.creatorTarle, G.-
Autor(es): dc.creatorTo, C.-
Autor(es): dc.creatorVarga, T. N.-
Autor(es): dc.creatorWeller, J.-
Data de aceite: dc.date.accessioned2025-08-21T18:34:20Z-
Data de disponibilização: dc.date.available2025-08-21T18:34:20Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-06-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1093/mnras/stac925-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/241025-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/241025-
Descrição: dc.descriptionStrongly lensed quadruply imaged quasars (quads) are extraordinary objects. They are very rare in the sky and yet they provide unique information about a wide range of topics, including the expansion history and the composition of the Universe, the distribution of stars and dark matter in galaxies, the host galaxies of quasars, and the stellar initial mass function. Finding them in astronomical images is a classic 'needle in a haystack' problem, as they are outnumbered by other (contaminant) sources by many orders of magnitude. To solve this problem, we develop state-of-the-art deep learning methods and train them on realistic simulated quads based on real images of galaxies taken from the Dark Energy Survey, with realistic source and deflector models, including the chromatic effects of microlensing. The performance of the best methods on a mixture of simulated and real objects is excellent, yielding area under the receiver operating curve in the range of 0.86-0.89. Recall is close to 100 per cent down to total magnitude i ∼21 indicating high completeness, while precision declines from 85 per cent to 70 per cent in the range i ∼17-21. The methods are extremely fast: Training on 2 million samples takes 20 h on a GPU machine, and 108 multiband cut-outs can be evaluated per GPU-hour. The speed and performance of the method pave the way to apply it to large samples of astronomical sources, bypassing the need for photometric pre-selection that is likely to be a major cause of incompleteness in current samples of known quads.-
Descrição: dc.descriptionDepartment of Electrical and Computer Engineering University of California-
Descrição: dc.descriptionDepartment of Electrical and Computer Engineering Nazarbayev University-
Descrição: dc.descriptionInter-University Centre for Astronomy and Astrophysics (IUCAA), Post Bag 4-
Descrição: dc.descriptionKavli IPMU (WPI) UTIAS University of Tokyo-
Descrição: dc.descriptionDepartment of Statistics University of California-
Descrição: dc.descriptionDepartment of Political Science University of California-
Descrição: dc.descriptionDepartment of Physics and Astronomy, PAB, 430 Portola Plaza, Box 951547-
Descrição: dc.descriptionKavli Institute for Particle Astrophysics and Cosmology Department of Physics Stanford University-
Descrição: dc.descriptionDepartment of Astronomy & Astrophysics University of Chicago-
Descrição: dc.descriptionSchool of Physics and Technology Wuhan University-
Descrição: dc.descriptionLaboratoire d'Astrophysique Ecole Polytechnique Federale de Lausanne (EPFL) Observatoire de Sauverny-
Descrição: dc.descriptionDARK Niels Bohr Institute, Jagtvej 128-
Descrição: dc.descriptionFermi National Accelerator Laboratory, PO Box 500-
Descrição: dc.descriptionKavli Institute for Cosmolo gical Physics Univer sity of Chica go-
Descrição: dc.descriptionLaboratorio Interinstitucional de e-Astronomia-LIneA, Rua Gal. Jose Cristino 77-
Descrição: dc.descriptionInstituto de Fisica Teorica Universidade Estadual Paulista-
Descrição: dc.descriptionDepartment of Physics & Astronomy University College London, Gower Street-
Descrição: dc.descriptionKavli Institute for Particle Astrophysics & Cosmology Stanford University, PO Box 2450-
Descrição: dc.descriptionSLAC National Accelerator Laboratory-
Descrição: dc.descriptionCenter for Astrophysical Surveys National Center for Supercomputing Applications, 1205 West Clark St.-
Descrição: dc.descriptionDepartment of Astronomy University of Illinois at Urbana-Champaign, 1002 W. Green Street-
Descrição: dc.descriptionInstitut de Fisica d'Altes Energies (IFAE) Barcelona Institute of Science and Technology Campus UAB-
Descrição: dc.descriptionCenter for Cosmology and Astro-Particle Physics Ohio State University-
Descrição: dc.descriptionJodrell Bank Center for Astrophysics School of Physics and Astronomy University of Manchester, Oxford Road-
Descrição: dc.descriptionUniversity of Nottingham School of Physics and Astronomy-
Descrição: dc.descriptionAstronomy Unit Department of Physics University of Trieste, Via Tiepolo 11-
Descrição: dc.descriptionINAF-Osservatorio Astronomico di Trieste, Via G. B. Tiepolo 11-
Descrição: dc.descriptionInstitute for Fundamental Physics of the Universe, Via Beirut 2-
Descrição: dc.descriptionObservatorio Nacional, Rua Gal. Jos é Cristino 77-
Descrição: dc.descriptionDepartment of Physics University of Michigan-
Descrição: dc.descriptionHamburg er Sternwarte Universitat Hamburg, Gojenbergsweg 112-
Descrição: dc.descriptionCentro de Investigaciones Energeticas Medioambientales y Tecnologicas (CIEMAT)-
Descrição: dc.descriptionDepartment of Physics IIT Hyderabad-
Descrição: dc.descriptionFaculty of Physics Ludwig-Maximilians-Universitat, Scheinerstr. 1-
Descrição: dc.descriptionSanta Cruz Institute for Particle Physics-
Descrição: dc.descriptionInstituto de Fisica Teorica UAM CSIC Universidad Autonoma de Madrid-
Descrição: dc.descriptionDepartment of Astronomy University of Michigan-
Descrição: dc.descriptionUniver sit äts-Sternwarte Fakult ät f ür Physik Ludwig-Maximilians Univer-sit ät M ünchen, Scheinerstr. 1-
Descrição: dc.descriptionSchool of Mathematics and Physics University of Queensland-
Descrição: dc.descriptionDepartment of Physics Ohio State University-
Descrição: dc.descriptionCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street-
Descrição: dc.descriptionLawrence Berkeley National Laboratory, 1 Cyclotron Road-
Descrição: dc.descriptionAustralian Astronomical Optics Macquarie University-
Descrição: dc.descriptionLowell Observatory, 1400 Mars Hill Rd-
Descrição: dc.descriptionDepartamento de Fisica Matem ática Instituto de Fisica Universidade de S ao Paulo, CP 66318-
Descrição: dc.descriptionDepartment of Physics and Astronomy University of Pennsylvania-
Descrição: dc.descriptionInstitucio Catalana de Recerca i Estudis Avan cats-
Descrição: dc.descriptionPhysics Department University of Wisconsin-Madison, 2320 Chamberlin Hall, 1150 University Avenue-
Descrição: dc.descriptionInstitute of Astronomy University of Cambridge, Madingley Road-
Descrição: dc.descriptionDepartment of Astrophysical Sciences Princeton University, Peyton Hall-
Descrição: dc.descriptionInstitut d'Estudis Espacials de Catalunya (IEEC)-
Descrição: dc.descriptionInstitute of Space Sciences (ICE CSIC) Campus UAB, Carrer de Can Magrans, s/n-
Descrição: dc.descriptionSchool of Physics and Astronomy University of Southampton-
Descrição: dc.descriptionComputer Science and Mathematics Division Oak Ridge National Labo-ratory-
Descrição: dc.descriptionDepartment of Physics Stanford University, 382 Via Pueblo Mall-
Descrição: dc.descriptionMax Planck Institute for Extraterrestrial Physics, Giessenbachstrasse-
Descrição: dc.descriptionInstituto de Fisica Teorica Universidade Estadual Paulista-
Formato: dc.format2407-2421-
Idioma: dc.languageen-
Relação: dc.relationMonthly Notices of the Royal Astronomical Society-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectastronomical data bases: Surveys-
Palavras-chave: dc.subjectgravitational lensing: Strong-
Palavras-chave: dc.subjectmethods: Statistical-
Título: dc.titleFinding quadruply imaged quasars with machine learning-I. Methods-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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