Optical variability of quasars with 20-yr photometric light curves

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversity Of Illinois At Urbana-Champaign-
Autor(es): dc.contributorHarvard-Smithsonian Center For Astrophysics-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorLaboratório Interinstitucional De E-Astronomia-LIneA-
Autor(es): dc.contributorFermi National Accelerator Laboratory-
Autor(es): dc.contributorDennis Sciama Building-
Autor(es): dc.contributorCanada-France-Hawaii Telescope Corporation-
Autor(es): dc.contributorInstitut d'Astrophysique De Paris-
Autor(es): dc.contributorLudwig-Maximilians-Universität-
Autor(es): dc.contributorUniversity College London-
Autor(es): dc.contributorStanford University-
Autor(es): dc.contributorSlac National Accelerator Laboratory-
Autor(es): dc.contributorThe Barcelona Institute Of Science And Technology-
Autor(es): dc.contributorPort d'Informacio Cientifica (PIC)-
Autor(es): dc.contributorObservatório 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.contributorUniversity Of Oslo-
Autor(es): dc.contributorUniversidad Autonoma De Madrid-
Autor(es): dc.contributorInstitut d'Estudis Espacials De Catalunya (IEEC)-
Autor(es): dc.contributorInstitute Of Space Sciences (ICE CSIC)-
Autor(es): dc.contributorLudwig Maximilians-Universität-
Autor(es): dc.contributorUniversity Of Queensland-
Autor(es): dc.contributorSanta Cruz Institute For Particle Physics-
Autor(es): dc.contributorThe Ohio State University-
Autor(es): dc.contributorMacquarie University-
Autor(es): dc.contributorLowell Observatory-
Autor(es): dc.contributorThe Australian National University-
Autor(es): dc.contributorAustralian National University-
Autor(es): dc.contributorInstitució Catalana De Recerca I Estudis Avançats-
Autor(es): dc.contributorUniversity Of Wisconsin-Madison-
Autor(es): dc.contributorUniversity Of Cambridge-
Autor(es): dc.contributorPeyton Hall-
Autor(es): dc.contributorUniversity Of Southampton-
Autor(es): dc.contributorOak Ridge National Laboratory-
Autor(es): dc.contributorWaldorf High School Of Massachusetts Bay-
Autor(es): dc.creatorStone, Zachary-
Autor(es): dc.creatorShen, Yue-
Autor(es): dc.creatorBurke, Colin J-
Autor(es): dc.creatorChen, Yu-Ching-
Autor(es): dc.creatorYang, Qian-
Autor(es): dc.creatorLiu, Xin-
Autor(es): dc.creatorGruendl, R. A.-
Autor(es): dc.creatorAdamów, M.-
Autor(es): dc.creatorAndrade-Oliveira, F.-
Autor(es): dc.creatorAnnis, J.-
Autor(es): dc.creatorBacon, D.-
Autor(es): dc.creatorBertin, E.-
Autor(es): dc.creatorBocquet, S.-
Autor(es): dc.creatorBrooks, D.-
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.creatorDa Costa, L. N.-
Autor(es): dc.creatorPereira, M. E.S.-
Autor(es): dc.creatorDe Vicente, J.-
Autor(es): dc.creatorDesai, S.-
Autor(es): dc.creatorDiehl, H. T.-
Autor(es): dc.creatorDoel, P.-
Autor(es): dc.creatorFerrero, I.-
Autor(es): dc.creatorFriedel, D. N.-
Autor(es): dc.creatorFrieman, J.-
Autor(es): dc.creatorGarcía-Bellido, J.-
Autor(es): dc.creatorGaztanaga, E.-
Autor(es): dc.creatorGruen, D.-
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.creatorKuehn, K.-
Autor(es): dc.creatorKuropatkin, N.-
Autor(es): dc.creatorLidman, C.-
Autor(es): dc.creatorMaia, M. A.G.-
Autor(es): dc.creatorMenanteau, F.-
Autor(es): dc.creatorMiquel, R.-
Autor(es): dc.creatorMorgan, R.-
Autor(es): dc.creatorPaz-Chinchón, F.-
Autor(es): dc.creatorPieres, A.-
Autor(es): dc.creatorPlazas Malagón, A. A.-
Autor(es): dc.creatorRodriguez-Monroy, M.-
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.creatorSuchyta, E.-
Autor(es): dc.creatorSwanson, M. E.C.-
Autor(es): dc.creatorTarle, G.-
Autor(es): dc.creatorTo, C.-
Data de aceite: dc.date.accessioned2025-08-21T18:26:03Z-
Data de disponibilização: dc.date.available2025-08-21T18:26:03Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-07-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1093/mnras/stac1259-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/241283-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/241283-
Descrição: dc.descriptionWe study the optical gri photometric variability of a sample of 190 quasars within the SDSS Stripe 82 region that have long-term photometric coverage during ∼1998-2020 with SDSS, PanSTARRS-1, the Dark Energy Survey, and dedicated follow-up monitoring with Blanco 4m/DECam. With on average ∼200 nightly epochs per quasar per filter band, we improve the parameter constraints from a Damped Random Walk (DRW) model fit to the light curves over previous studies with 10-15 yr baselines and 100 epochs. We find that the average damping time-scale τDRW continues to rise with increased baseline, reaching a median value of ∼750 d (g band) in the rest frame of these quasars using the 20-yr light curves. Some quasars may have gradual, long-term trends in their light curves, suggesting that either the DRW fit requires very long baselines to converge, or that the underlying variability is more complex than a single DRW process for these quasars. Using a subset of quasars with better-constrained τDRW (less than 20 per cent of the baseline), we confirm a weak wavelength dependence of τDRWλ0.51 ± 0.20. We further quantify optical variability of these quasars over days to decades time-scales using structure function (SF) and power spectrum density (PSD) analyses. The SF and PSD measurements qualitatively confirm the measured (hundreds of days) damping time-scales from the DRW fits. However, the ensemble PSD is steeper than that of a DRW on time-scales less than ∼a month for these luminous quasars, and this second break point correlates with the longer DRW damping time-scale.-
Descrição: dc.descriptionDepartment Of Astronomy University Of Illinois At Urbana-Champaign-
Descrição: dc.descriptionNational Center For Supercomputing Applications University Of Illinois At Urbana-Champaign-
Descrição: dc.descriptionCenter For AstroPhysical Surveys National Center For Supercomputing Applications University Of Illinois At Urbana-Champaign-
Descrição: dc.descriptionHarvard-Smithsonian Center For Astrophysics, 60 Garden Street-
Descrição: dc.descriptionInstituto De Física Teórica Universidade Estadual Paulista-
Descrição: dc.descriptionLaboratório Interinstitucional De E-Astronomia-LIneA, Rua Gal. Jose Cristino 77, RJ-
Descrição: dc.descriptionFermi National Accelerator Laboratory, PO Box 500-
Descrição: dc.descriptionInstitute Of Cosmology And Gravitation University Of Portsmouth Dennis Sciama Building, Burnaby Road-
Descrição: dc.descriptionCanada-France-Hawaii Telescope Corporation, 65-1238 Mamaloahoa Hwy-
Descrição: dc.descriptionSorbonne Universite Cnrs Umr 7095 Institut d'Astrophysique De Paris, 98 bis boulevard Arago-
Descrição: dc.descriptionFaculty Of Physics Ludwig-Maximilians-Universität, Scheinerstr. 1-
Descrição: dc.descriptionDepartment Of Physics & Astronomy University College London, Gower Street-
Descrição: dc.descriptionKavli Institute For Particle Astrophysics & Cosmology Stanford University, PO Box 2450, Stanford-
Descrição: dc.descriptionSlac National Accelerator Laboratory-
Descrição: dc.descriptionInstitut De Fisica d'Altes Energies (IFAE) The Barcelona Institute Of Science And Technology Campus Uab-
Descrição: dc.descriptionPort d'Informacio Cientifica (PIC) Campus Uab, C. Albareda s/n Cerdanyola del Valles-
Descrição: dc.descriptionObservatório Nacional, Rua Gal. Jose Cristino 77-
Descrição: dc.descriptionDepartment Of Physics University Of Michigan-
Descrição: dc.descriptionHamburger Sternwarte Universitat Hamburg, Gojenbergsweg 112-
Descrição: dc.descriptionCentro De Investigaciones Energeticas Medioambientales Y Tecnologicas (CIEMAT)-
Descrição: dc.descriptionDepartment Of Physics Iit Hyderabad, Kandi-
Descrição: dc.descriptionInstitute Of Theoretical Astrophysics University Of Oslo, PO Box 1029 Blindern-
Descrição: dc.descriptionInstituto De Fisica Teorica UAM/CSIC Universidad Autonoma De Madrid-
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.descriptionFaculty Of Physics Ludwig Maximilians-Universität, Scheinerstr. 1-
Descrição: dc.descriptionSchool Of Mathematics And Physics University Of Queensland-
Descrição: dc.descriptionSanta Cruz Institute For Particle Physics-
Descrição: dc.descriptionCenter For Cosmology And Astro-Particle Physics The Ohio State University-
Descrição: dc.descriptionDepartment Of Physics The Ohio State University-
Descrição: dc.descriptionAustralian Astronomical Optics Macquarie University-
Descrição: dc.descriptionLowell Observatory, 1400 Mars Hill Rd-
Descrição: dc.descriptionCentre For Gravitational Astrophysics College Of Science The Australian National University-
Descrição: dc.descriptionThe Research School Of Astronomy And Astrophysics Australian National University-
Descrição: dc.descriptionInstitució Catalana De Recerca I Estudis Avançats-
Descrição: dc.descriptionInstitut De Física d'Altes Energies (IFAE) The Barcelona Institute Of Science And Technology Campus Uab-
Descrição: dc.descriptionPhysics Department University Of Wisconsin-Madison-
Descrição: dc.descriptionInstitute Of Astronomy University Of Cambridge, Madingley Road-
Descrição: dc.descriptionDepartment Of Astrophysical Sciences Princeton University Peyton Hall-
Descrição: dc.descriptionSchool Of Physics And Astronomy University Of Southampton-
Descrição: dc.descriptionComputer Science And Mathematics Division Oak Ridge National Laboratory-
Descrição: dc.descriptionWaldorf High School Of Massachusetts Bay-
Descrição: dc.descriptionInstituto De Física Teórica Universidade Estadual Paulista-
Formato: dc.format164-184-
Idioma: dc.languageen-
Relação: dc.relationMonthly Notices of the Royal Astronomical Society-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectQuasars: general-
Palavras-chave: dc.subjectQuasars: supermassive black holes-
Palavras-chave: dc.subjectSurveys-
Título: dc.titleOptical variability of quasars with 20-yr photometric light curves-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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