Search Results - "Vernardos, Georgios"
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Quasar microlensing light-curve analysis using deep machine learning
Published in Monthly notices of the Royal Astronomical Society (01-06-2019)Get full text
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The impact of microlensing on the standardization of strongly lensed Type Ia supernovae
Published in Monthly notices of the Royal Astronomical Society (21-08-2018)“…ABSTRACT We investigate the effect of microlensing on the standardization of strongly lensed Type Ia supernovae (GLSNe Ia). We present predictions for the…”
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Quantifying the structure of strong gravitational lens potentials with uncertainty-aware deep neural networks
Published in Monthly notices of the Royal Astronomical Society (01-12-2020)“…ABSTRACT Gravitational lensing is a powerful tool for constraining substructure in the mass distribution of galaxies, be it from the presence of dark matter…”
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A quasar microlensing light-curve generator for LSST
Published in Monthly notices of the Royal Astronomical Society (01-06-2020)“…ABSTRACT We present a tool to generate mock quasar microlensing light curves and sample them according to any observing strategy. An updated treatment of the…”
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Resolving the vicinity of supermassive black holes with gravitational microlensing
Published in Monthly notices of the Royal Astronomical Society (13-05-2024)“…ABSTRACT Upcoming wide-field surveys will discover thousands of new strongly lensed quasars which will be monitored with unprecedented cadence by the Legacy…”
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Erratum: A quasar microlensing light-curve generator for LSST
Published in Monthly notices of the Royal Astronomical Society (24-11-2020)Get full text
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Measuring the substructure mass power spectrum of 23 SLACS strong galaxy–galaxy lenses with convolutional neural networks
Published in Monthly notices of the Royal Astronomical Society (01-08-2024)“…ABSTRACT Strong gravitational lensing can be used as a tool for constraining the substructure in the mass distribution of galaxies. In this study we…”
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SEAGLE – II. Constraints on feedback models in galaxy formation from massive early-type strong-lens galaxies
Published in Monthly notices of the Royal Astronomical Society (01-07-2021)“…ABSTRACT We use nine different galaxy formation scenarios in ten cosmological simulation boxes from the EAGLE (Evolution and Assembly of GaLaxies and their…”
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SEAGLE – III: Towards resolving the mismatch in the dark-matter fraction in early-type galaxies between simulations and observations
Published in Monthly notices of the Royal Astronomical Society (01-01-2022)“…ABSTRACT The central dark-matter fraction of galaxies is sensitive to feedback processes during galaxy formation. Strong gravitational lensing has been…”
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SEAGLE – I. A pipeline for simulating and modelling strong lenses from cosmological hydrodynamic simulations
Published in Monthly notices of the Royal Astronomical Society (21-09-2018)“…In this paper we introduce the SEAGLE (i.e. Simulating EAGLE LEnses) programme, which approaches the study of galaxy formation through strong gravitational…”
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COOLEST: COde-independent Organized LEns STandard
Published in Journal of open source software (09-08-2023)Get full text
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Simulating time-varying strong lenses
Published 07-06-2021“…We present a self-consistent and versatile forward modelling software package that can produce time series and pixel-level simulations of time-varying strongly…”
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Microlensing flux ratio predictions for Euclid
Published 18-12-2018“…Quasar microlensing flux ratios are used to unveil properties of the lenses in large collections of lensed quasars, like the ones expected to be produced by…”
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A joint microlensing analysis of lensing mass and accretion disc models
Published 28-08-2018“…Microlensing of multiply imaged quasars is a unique probe of quasar structure, down to the size of the accretion disc and the central black hole. Flux ratios…”
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Resolving the Vicinity of Supermassive Black Holes with Gravitational Microlensing
Published 11-06-2024“…Monthly Notices of the Royal Astronomical Society, Volume 531, Issue 1, June 2024 In the near future, wide field surveys will discover 1000's of new strongly…”
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Quasar microlensing light curve analysis using deep machine learning
Published 21-03-2019“…We introduce a deep machine learning approach to studying quasar microlensing light curves for the first time by analyzing hundreds of thousands of simulated…”
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Measuring the Substructure Mass Power Spectrum of 23 SLACS Strong Galaxy-Galaxy Lenses with Convolutional Neural Networks
Published 07-08-2024“…Monthly Notices of the Royal Astronomical Society, Volume 532, Issue 2, August 2024 Strong gravitational lensing can be used as a tool for constraining the…”
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Modeling lens potentials with continuous neural fields in galaxy-scale strong lenses
Published 17-10-2022“…Strong gravitational lensing is a unique observational tool for studying the dark and luminous mass distribution both within and between galaxies. Given the…”
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A Quasar Microlensing Light Curve Generator for LSST
Published 29-10-2020“…We present a tool to generate mock quasar microlensing light curves and sample them according to any observing strategy. An updated treatment of the fixed and…”
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How to Break the Mass Sheet Degeneracy with the Lightcurves of Microlensed Type Ia Supernovae
Published 05-03-2024“…The standardizable nature of gravitationally lensed Type Ia supernovae (glSNe Ia) makes them an attractive target for time delay cosmography, since a source…”
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