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   Articles with "strong lensing" as a keyword



Testing the cosmic curvature at high redshifts: the combination of LSST strong lensing systems and quasars as new standard candles

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recommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staa1539

Abstract: The cosmic curvature, a fundamental parameter for cosmology could hold deep clues to inflation and cosmic origins. We propose an improved model-independent method to constrain the cosmic curvature by combining the constructed Hubble diagram of… read more here.

Keywords: strong lensing; standard candles; model; lensing systems ... See more keywords
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Cosmography using strong-lensing systems and cosmic chronometers

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recommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab2465

Abstract: Using a new sub-sample of observed strong gravitational lens systems, for the first time, we present the equation for the angular diameter distance in the y-redshift scenario for cosmography and use it to test the… read more here.

Keywords: systems cosmic; strong lensing; cosmography using; lensing systems ... See more keywords
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Stellar-mass microlensing of gravitational waves

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recommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stab579

Abstract: When gravitational waves pass through the nuclear star clusters of galactic lenses, they may be microlensed by the stars. Such microlensing can cause potentially observable beating patterns on the waveform due to waveform superposition and… read more here.

Keywords: microlensing gravitational; strong lensing; gravitational waves; mass ... See more keywords

Strong lensing constraints on primordial black holes as a dark matter candidate

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recommendations! Published in 2022 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stad1313

Abstract: Dark matter could comprise, at least in part, primordial black holes (PBH). To test this hypothesis, we present an approach to constrain the PBH mass (MPBH) and mass fraction (fPBH) from the flux ratios of… read more here.

Keywords: primordial black; dark matter; strong lensing; mass ... See more keywords

UNCOVERing the extended strong lensing structures of Abell 2744 with the deepest JWST imaging

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recommendations! Published in 2022 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stad1627

Abstract: We present a new parametric lens model for the massive galaxy cluster Abell 2744 based on new ultra-deep JWST imaging taken in the framework of the UNCOVER program. These observations constitute the deepest JWST images of… read more here.

Keywords: abell 2744; deepest jwst; cluster; strong lensing ... See more keywords

SLICK: Strong lensing identification of candidates kindred in gravitational wave data

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recommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stae2408

Abstract: By the end of the next decade, we hope to have detected strongly lensed gravitational waves by galaxies or clusters. Although there exist optimal methods for identifying lensed signal, it is shown that machine learning… read more here.

Keywords: strong lensing; candidates kindred; identification candidates; slick strong ... See more keywords

Strong gravitational lensing with upcoming wide-field radio surveys

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recommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf1381

Abstract: The number of strong lensing systems will soon increase by orders of magnitude thanks to sensitive, wide-field optical and infrared imaging surveys such as Euclid, Rubin-LSST, and Roman. A dramatic increase in strong lenses will… read more here.

Keywords: mid; radio; wide field; strong lensing ... See more keywords

Lensed stars in galaxy-galaxy strong lensing – a JWST prediction for the Cosmic Horseshoe

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recommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf1959

Abstract: We explore for the first time the possibility of detecting lensed star transients in galaxy-galaxy strong lensing systems upon repeated, deep imaging using the James-Webb Space Telescope (JWST). Our calculation predicts that the extremely high… read more here.

Keywords: cosmic horseshoe; jwst; strong lensing; galaxy galaxy ... See more keywords

CSST Strong Lensing Preparation: Fast Modelling of Galaxy-Galaxy Strong Lenses in the Big Data Era

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recommendations! Published in 2025 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf891

Abstract: Galaxy-galaxy strong lensing provides a powerful probe of galaxy formation, evolution, and the properties of dark matter and dark energy. However, conventional lens-modelling approaches are computationally expensive and require fine-tuning to avoid local optima, rendering… read more here.

Keywords: strong lenses; galaxy; big data; strong lensing ... See more keywords

Neural network prediction of model parameters for strong lensing samples from Hyper Suprime-Cam Survey

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recommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/staf935

Abstract: Strong lensing of background galaxies provides important information about the matter distribution around lens galaxies. Traditional modelling of such strong lenses is both time and resource intensive. Fast and automated analysis methods are the need… read more here.

Keywords: strong lensing; model parameters; neural network; network ... See more keywords

The mass distribution of the unusual merging cluster Abell 2146 from strong lensing

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recommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stw2425

Abstract: Abell 2146 consists of two galaxy clusters that have recently collided close to the plane of the sky, and it is unique in showing two large shocks on Chandra X-ray Observatory images. With an early… read more here.

Keywords: strong lensing; dark matter; abell; abell 2146 ... See more keywords