Search Results - "Nightingale, James W."
-
1
Efficient Point-spread Function Modeling with ShOpt.jl: A Point-spread Function Benchmarking Study with JWST NIRCam Imaging
Published in The Astronomical journal (01-10-2024)“…With their high angular resolutions of 30–100 mas, large fields of view, and complex optical systems, imagers on next-generation optical/near-infrared space…”
Get full text
Journal Article -
2
Gravitational lensing reveals cool gas within 10-20 kpc around a quiescent galaxy
Published in Communications physics (24-08-2024)“…While quiescent galaxies have comparable amounts of cool gas in their outer circumgalactic medium (CGM) compared to star-forming galaxies, they have…”
Get full text
Journal Article -
3
Galaxy structure with strong gravitational lensing: decomposing the internal mass distribution of massive elliptical galaxies
Published in Monthly notices of the Royal Astronomical Society (01-10-2019)“…ABSTRACT We investigate how strong gravitational lensing can test contemporary models of massive elliptical (ME) galaxy formation, by combining a traditional…”
Get full text
Journal Article -
4
Beyond the bulge–halo conspiracy? Density profiles of early-type galaxies from extended-source strong lensing
Published in Monthly notices of the Royal Astronomical Society (01-06-2023)“…ABSTRACT Observations suggest that the dark matter and stars in early-type galaxies ‘conspire’ to produce a surprisingly simple distribution of total mass,…”
Get full text
Journal Article -
5
Automated galaxy–galaxy strong lens modelling: No lens left behind
Published in Monthly notices of the Royal Astronomical Society (26-10-2022)“…The distribution of dark and luminous matter can be mapped around galaxies that gravitationally lens background objects into arcs or Einstein rings. New…”
Get full text
Journal Article -
6
Scanning for dark matter subhaloes in Hubble Space Telescope imaging of 54 strong lenses
Published in Monthly notices of the Royal Astronomical Society (01-02-2024)“…ABSTRACT The cold dark matter (DM) model predicts that every galaxy contains thousands of DM subhaloes; almost all other DM models include a physical process…”
Get full text
Journal Article -
7
Unveiling lens light complexity with a novel multi-Gaussian expansion approach for strong gravitational lensing
Published in Monthly notices of the Royal Astronomical Society (01-08-2024)“…ABSTRACT In a strong gravitational lensing system, the distorted light from a source is analysed to infer the properties of the lens. However, light emitted by…”
Get full text
Journal Article -
8
Discovery of a radio jet in the Cloverleaf quasar at z = 2.56
Published in Monthly notices of the Royal Astronomical Society (24-07-2023)“…ABSTRACT The fast growth of supermassive black holes and their feedback to the host galaxies play an important role in regulating the evolution of galaxies,…”
Get full text
Journal Article -
9
PyAutoFit: A Classy Probabilistic Programming Language for Model Composition and Fitting
Published 08-02-2021“…Journal of Open Source Software, 6(58), 2550 (2021) A major trend in academia and data science is the rapid adoption of Bayesian statistics for data analysis…”
Get full text
Journal Article -
10
Abell 1201: Detection of an Ultramassive Black Hole in a Strong Gravitational Lens
Published 27-03-2023“…Supermassive black holes (SMBHs) are a key catalyst of galaxy formation and evolution, leading to an observed correlation between SMBH mass $M_{\rm BH}$ and…”
Get full text
Journal Article -
11
Discovery of a radio lobe in the Cloverleaf Quasar at z = 2.56
Published 14-12-2022“…The fast growth of supermassive black holes and their feedback to the host galaxies play an important role in regulating the evolution of galaxies, especially…”
Get full text
Journal Article -
12
COSMOS-Web: An Overview of the JWST Cosmic Origins Survey
Published in The Astrophysical journal (01-09-2023)“…We present the survey design, implementation, and outlook for COSMOS-Web, a 255 hr treasury program conducted by the James Webb Space Telescope in its first…”
Get full text
Journal Article Web Resource -
13
PyAutoLens: Open-Source Strong Gravitational Lensing
Published 02-06-2021“…Journal of Open Source Software, 6(58), 2525 (2021) Strong gravitational lensing, which can make a background source galaxy appears multiple times due to its…”
Get full text
Journal Article -
14
Galaxy structure with strong gravitational lensing: decomposing the internal mass distribution of massive elliptical galaxies
Published 12-07-2019“…We investigate how strong gravitational lensing can test contemporary models of massive elliptical (ME) galaxy formation, by combining a traditional…”
Get full text
Journal Article -
15
Strong gravitational lensing's `external shear' is not shear
Published in Monthly notices of the Royal Astronomical Society (01-07-2024)“…The distribution of mass in galaxy-scale strong gravitational lenses is often modelled as an elliptical power law plus `external shear', which notionally…”
Get full text
Journal Article Web Resource -
16
PyAutoGalaxy: Open-Source Multiwavelength Galaxy Structure & Morphology
Published in Journal of open source software (27-01-2023)Get full text
Journal Article -
17
Galaxy Mass Modelling from Multi-Wavelength JWST Strong Lens Analysis: Dark Matter Substructure, Angular Mass Complexity, or Both?
Published 16-10-2024“…We analyze two galaxy-scale strong gravitational lenses, SPT0418-47 and SPT2147-50, using JWST NIRCam imaging across multiple filters. To account for angular…”
Get full text
Journal Article -
18
Lopsidedness in Early-Type Galaxies: the role of the $m=1$ multipole in Isophote Fitting and Strong Lens Modelling
Published 17-07-2024“…The surface brightness distribution of massive early-type galaxies (ETGs) often deviates from a perfectly elliptical shape. To capture these deviations in…”
Get full text
Journal Article -
19
Unveiling Lens Light Complexity with A Novel Multi-Gaussian Expansion Approach for Strong Gravitational Lensing
Published 24-03-2024“…In a strong gravitational lensing system, the distorted light from a source is analysed to infer the properties of the lens. However, light emitted by the lens…”
Get full text
Journal Article -
20
Gravitational Lensing Reveals Cool Gas within 10-20 kpc around a Quiescent Galaxy
Published 15-08-2024“…While quiescent galaxies have comparable amounts of cool gas in their outer circumgalactic medium (CGM) compared to star-forming galaxies, they have…”
Get full text
Journal Article