Dwarf AGNs from Optical Variability for the Origins of Seeds (DAVOS): Insights from the dark energy survey deep fields

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Autor(es): dc.contributorUniversity of Illinois at Urbana-Champaign-
Autor(es): dc.contributorNational Center for Supercomputing Applications-
Autor(es): dc.contributorUniversity of Geneva-
Autor(es): dc.contributorThe University of Manchester-
Autor(es): dc.contributorFermi National Accelerator Laboratory-
Autor(es): dc.contributorUniversity of Chicago-
Autor(es): dc.contributorUniversity of California-
Autor(es): dc.contributorThe University of Chicago-
Autor(es): dc.contributorUniversity of Sussex-
Autor(es): dc.contributorAustralian National University-
Autor(es): dc.contributorBrookhaven National Laboratory-
Autor(es): dc.contributorRua Gal. José Cristino 77-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversity of Portsmouth-
Autor(es): dc.contributorInstitut d'Astrophysique de Paris-
Autor(es): dc.contributorUniversity College London-
Autor(es): dc.contributorThe Barcelona Institute of Science and Technology-
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.contributorObservatório Nacional-
Autor(es): dc.contributorUniversity of Michigan-
Autor(es): dc.contributorUniversität Hamburg-
Autor(es): dc.contributorUniversity of Queensland-
Autor(es): dc.contributorMedioambientales y Tecnológicas (CIEMAT)-
Autor(es): dc.contributorIIT Hyderabad-
Autor(es): dc.contributorSanta Cruz Institute for Particle Physics-
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.contributorThe Ohio State University-
Autor(es): dc.contributorCenter for Astrophysics | Harvard & Smithsonian-
Autor(es): dc.contributorMacquarie University-
Autor(es): dc.contributorLowell Observatory-
Autor(es): dc.contributorTexas A&M 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.contributorPrinceton University-
Autor(es): dc.contributorSLAC National Accelerator Laboratory-
Autor(es): dc.contributorUniversity of Southampton-
Autor(es): dc.contributorOak Ridge National Laboratory-
Autor(es): dc.contributorStanford University-
Autor(es): dc.contributorMax Planck Institute for Extraterrestrial Physics-
Autor(es): dc.contributorLudwig-Maximilians Universität München-
Autor(es): dc.creatorBurke, Colin J-
Autor(es): dc.creatorLiu, Xin-
Autor(es): dc.creatorShen, Yue-
Autor(es): dc.creatorPhadke, Kedar A-
Autor(es): dc.creatorYang, Qian-
Autor(es): dc.creatorHartley, Will G-
Autor(es): dc.creatorHarrison, Ian-
Autor(es): dc.creatorPalmese, Antonella-
Autor(es): dc.creatorGuo, Hengxiao-
Autor(es): dc.creatorZhang, Kaiwen-
Autor(es): dc.creatorKron, Richard-
Autor(es): dc.creatorTurner, David J-
Autor(es): dc.creatorGiles, Paul A-
Autor(es): dc.creatorLidman, Christopher-
Autor(es): dc.creatorChen, Yu-Ching-
Autor(es): dc.creatorGruendl, Robert A-
Autor(es): dc.creatorChoi, Ami-
Autor(es): dc.creatorAmon, Alexandra-
Autor(es): dc.creatorSheldon, Erin-
Autor(es): dc.creatorAguena, M.-
Autor(es): dc.creatorAllam, S.-
Autor(es): dc.creatorAndrade-Oliveira, F.-
Autor(es): dc.creatorBacon, D.-
Autor(es): dc.creatorBertin, E.-
Autor(es): dc.creatorBrooks, D.-
Autor(es): dc.creatorCarnero Rosell, A.-
Autor(es): dc.creatorCarrasco Kind, M.-
Autor(es): dc.creatorCarretero, J.-
Autor(es): dc.creatorConselice, C.-
Autor(es): dc.creatorCostanzi, M.-
Autor(es): dc.creatorDa Costa, L. N.-
Autor(es): dc.creatorPereira, M. E.S.-
Autor(es): dc.creatorDavis, T. M.-
Autor(es): dc.creatorDe Vicente, J.-
Autor(es): dc.creatorDesai, S.-
Autor(es): dc.creatorDiehl, H. T.-
Autor(es): dc.creatorEverett, S.-
Autor(es): dc.creatorFerrero, I.-
Autor(es): dc.creatorFlaugher, B.-
Autor(es): dc.creatorGarciá-Bellido, J.-
Autor(es): dc.creatorGaztanaga, E.-
Autor(es): dc.creatorGruen, D.-
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.creatorHoyle, B.-
Autor(es): dc.creatorJames, D. J.-
Autor(es): dc.creatorKuehn, K.-
Autor(es): dc.creatorMaia, M. A.G.-
Autor(es): dc.creatorMarshall, J. L.-
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.creatorReil, K.-
Autor(es): dc.creatorRomer, A. K.-
Autor(es): dc.creatorSanchez, E.-
Autor(es): dc.creatorSchubnell, M.-
Autor(es): dc.creatorSerrano, S.-
Autor(es): dc.creatorSevilla-Noarbe, I.-
Autor(es): dc.creatorSmith, M.-
Autor(es): dc.creatorSuchyta, E.-
Autor(es): dc.creatorTarle, G.-
Autor(es): dc.creatorThomas, D.-
Autor(es): dc.creatorTo, C.-
Autor(es): dc.creatorVarga, T. N.-
Autor(es): dc.creatorWilkinson, R. D.-
Data de aceite: dc.date.accessioned2025-08-21T20:18:49Z-
Data de disponibilização: dc.date.available2025-08-21T20:18:49Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2022-10-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1093/mnras/stac2262-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/247751-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/247751-
Descrição: dc.descriptionWe present a sample of 706, z < 1.5 active galactic nuclei (AGNs) selected from optical photometric variability in three of the Dark Energy Survey (DES) deep fields (E2, C3, and X3) over an area of 4.64 deg2. We construct light curves using difference imaging aperture photometry for resolved sources and non-difference imaging PSF photometry for unresolved sources, respectively, and characterize the variability significance. Our DES light curves have a mean cadence of 7 d, a 6-yr baseline, and a single-epoch imaging depth of up to g ∼24.5. Using spectral energy distribution (SED) fitting, we find 26 out of total 706 variable galaxies are consistent with dwarf galaxies with a reliable stellar mass estimate (M∗< 109.5, M· median photometric redshift of 0.9). We were able to constrain rapid characteristic variability time-scales (∼weeks) using the DES light curves in 15 dwarf AGN candidates (a subset of our variable AGN candidates) at a median photometric redshift of 0.4. This rapid variability is consistent with their low black hole (BH) masses. We confirm the low-mass AGN nature of one source with a high S/N optical spectrum. We publish our catalogue, optical light curves, and supplementary data, such as X-ray properties and optical spectra, when available. We measure a variable AGN fraction versus stellar mass and compare to results from a forward model. This work demonstrates the feasibility of optical variability to identify AGNs with lower BH masses in deep fields, which may be more 'pristine' analogues of supermassive BH seeds.-
Descrição: dc.descriptionDepartment of Astronomy University of Illinois at Urbana-Champaign, 1002 West Green Street-
Descrição: dc.descriptionCenter for AstroPhysical Surveys National Center for Supercomputing Applications, 1205 West Clark Street, Urbana, IL 61801-
Descrição: dc.descriptionNational Center for Supercomputing Applications, 1205 West Clark Street-
Descrição: dc.descriptionDepartment of Astronomy University of Geneva, ch. d'Ecogia 16-
Descrição: dc.descriptionJodrell Bank Centre for Astrophysics School of Physics & Astronomy The University of Manchester-
Descrição: dc.descriptionFermi National Accelerator Laboratory, P.O. Box 500-
Descrição: dc.descriptionKavli Institute for Cosmological Physics University of Chicago-
Descrição: dc.descriptionDepartment of Physics and Astronomy University of California, 4129 Frederick Reines Hall-
Descrição: dc.descriptionDepartment of Physics University of Illinois at Urbana-Champaign, 1110 West Green Street-
Descrição: dc.descriptionDepartment of Astronomy & Astrophysics The University of Chicago-
Descrição: dc.descriptionDepartment of Physics and Astronomy University of Sussex, Pevensey Building-
Descrição: dc.descriptionThe Research School of Astronomy and Astrophysics Australian National University-
Descrição: dc.descriptionCenter for AstroPhysical Surveys National Center for Supercomputing Applications, 1205 West Clark Street-
Descrição: dc.descriptionBrookhaven National Laboratory, Bldg 510-
Descrição: dc.descriptionLaboratório Interinstitucional de E-Astronomia-LIneA Rua Gal. José Cristino 77-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista-
Descrição: dc.descriptionInstitute of Cosmology and Gravitation University of Portsmouth-
Descrição: dc.descriptionCNRS UMR 7095 Institut d'Astrophysique de Paris-
Descrição: dc.descriptionSorbonne Universités UPMC Univ Paris 06 UMR 7095 Institut d'Astrophysique de Paris-
Descrição: dc.descriptionDepartment of Physics & Astronomy University College London, Gower Street-
Descrição: dc.descriptionInstitut de Física d'Altes Energies (IFAE) The Barcelona Institute of Science and Technology Campus UAB, Bellaterra-
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.descriptionObservatório Nacional, Rua Gal. José Cristino 77-
Descrição: dc.descriptionDepartment of Physics University of Michigan-
Descrição: dc.descriptionHamburger Sternwarte Universität Hamburg, Gojenbergsweg 112-
Descrição: dc.descriptionSchool of Mathematics and Physics University of Queensland-
Descrição: dc.descriptionCentro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)-
Descrição: dc.descriptionDepartment of Physics IIT Hyderabad-
Descrição: dc.descriptionSanta Cruz Institute for Particle Physics-
Descrição: dc.descriptionInstitute of Theoretical Astrophysics University of Oslo, P.O. 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.descriptionDepartment of Physics The Ohio State University-
Descrição: dc.descriptionCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street-
Descrição: dc.descriptionAustralian Astronomical Optics Macquarie University-
Descrição: dc.descriptionLowell Observatory, 1400 Mars Hill Rd-
Descrição: dc.descriptionGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy Department of Physics and Astronomy Texas A&M University-
Descrição: dc.descriptionInstitució Catalana de Recerca i Estudis Avançats-
Descrição: dc.descriptionPhysics Department University of Wisconsin-Madison, 1150 University Avenue Madison, 2320 Chamberlin Hall-
Descrição: dc.descriptionInstitute of Astronomy University of Cambridge, Madingley Road-
Descrição: dc.descriptionDepartment of Astrophysical Sciences Princeton University, Peyton Hall-
Descrição: dc.descriptionSLAC National Accelerator Laboratory-
Descrição: dc.descriptionSchool of Physics and Astronomy University of Southampton-
Descrição: dc.descriptionComputer Science and Mathematics Division Oak Ridge National Laboratory-
Descrição: dc.descriptionDepartment of Physics Stanford University, 382 Via Pueblo Mall-
Descrição: dc.descriptionKavli Institute for Particle Astrophysics & Cosmology Stanford University, P.O. Box 2450-
Descrição: dc.descriptionMax Planck Institute for Extraterrestrial Physics, Giessenbachstrasse-
Descrição: dc.descriptionUniversitäts-Sternwarte Fakultät für Physik Ludwig-Maximilians Universität München, Scheinerstr. 1-
Descrição: dc.descriptionInstituto de Física Teórica Universidade Estadual Paulista-
Formato: dc.format2736-2756-
Idioma: dc.languageen-
Relação: dc.relationMonthly Notices of the Royal Astronomical Society-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectblack hole physics-
Palavras-chave: dc.subjectgalaxies: Active-
Palavras-chave: dc.subjectgalaxies: dwarf-
Título: dc.titleDwarf AGNs from Optical Variability for the Origins of Seeds (DAVOS): Insights from the dark energy survey deep fields-
Tipo de arquivo: dc.typelivro digital-
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