Publication

Gravitational imaging of cold dark matter substructures

Koopmans, L. V. E., 11-Nov-2005, In : Monthly Notices of the Royal Astronomical Society. 363, 4, p. 1136-1144 9 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Koopmans, L. V. E. (2005). Gravitational imaging of cold dark matter substructures. Monthly Notices of the Royal Astronomical Society, 363(4), 1136-1144. https://doi.org/10.1111/j.1365-2966.2005.09523.x

Author

Koopmans, L. V. E. / Gravitational imaging of cold dark matter substructures. In: Monthly Notices of the Royal Astronomical Society. 2005 ; Vol. 363, No. 4. pp. 1136-1144.

Harvard

Koopmans, LVE 2005, 'Gravitational imaging of cold dark matter substructures', Monthly Notices of the Royal Astronomical Society, vol. 363, no. 4, pp. 1136-1144. https://doi.org/10.1111/j.1365-2966.2005.09523.x

Standard

Gravitational imaging of cold dark matter substructures. / Koopmans, L. V. E.

In: Monthly Notices of the Royal Astronomical Society, Vol. 363, No. 4, 11.11.2005, p. 1136-1144.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Koopmans LVE. Gravitational imaging of cold dark matter substructures. Monthly Notices of the Royal Astronomical Society. 2005 Nov 11;363(4):1136-1144. https://doi.org/10.1111/j.1365-2966.2005.09523.x


BibTeX

@article{65e92b9996da43c5b2e5fff00baa4054,
title = "Gravitational imaging of cold dark matter substructures",
abstract = "We propose the novel method of 'gravitational imaging' to detect and quantify luminous and dark matter substructures in gravitational lens galaxies. The method utilizes highly magnified Einstein rings and arcs as sensitive probes of small perturbations in the lens potential (due to the presence of the mass substructure), reconstructing the gravitational lens potential non-parametrically. Numerical simulations show that the implemented algorithm can reconstruct the smooth mass distribution of a typical lens galaxy - exhibiting reasonable signal-to-noise Einstein rings - as well as compact substructure with masses as low as M(sub) similar to 10(-3) M(lens), if present. 'Gravitational imaging' of pure dark matter substructures around massive galaxies can provide new insight into the standard cold dark matter paradigm, using very different physics than ground-based direct-detection experiments, and probe the hierarchical structure-formation model which predicts that this substructure exists in great abundance.",
keywords = "gravitational lensing, LENS INVERSION, FLUX RATIOS, GALAXY, EINSTEIN, RECONSTRUCTION, PARAMETER, QUASARS, MODELS, HALOS, PROBE",
author = "Koopmans, {L. V. E.}",
year = "2005",
month = "11",
day = "11",
doi = "10.1111/j.1365-2966.2005.09523.x",
language = "English",
volume = "363",
pages = "1136--1144",
journal = "Monthly Notices of the Royal Astronomical Society",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "4",

}

RIS

TY - JOUR

T1 - Gravitational imaging of cold dark matter substructures

AU - Koopmans, L. V. E.

PY - 2005/11/11

Y1 - 2005/11/11

N2 - We propose the novel method of 'gravitational imaging' to detect and quantify luminous and dark matter substructures in gravitational lens galaxies. The method utilizes highly magnified Einstein rings and arcs as sensitive probes of small perturbations in the lens potential (due to the presence of the mass substructure), reconstructing the gravitational lens potential non-parametrically. Numerical simulations show that the implemented algorithm can reconstruct the smooth mass distribution of a typical lens galaxy - exhibiting reasonable signal-to-noise Einstein rings - as well as compact substructure with masses as low as M(sub) similar to 10(-3) M(lens), if present. 'Gravitational imaging' of pure dark matter substructures around massive galaxies can provide new insight into the standard cold dark matter paradigm, using very different physics than ground-based direct-detection experiments, and probe the hierarchical structure-formation model which predicts that this substructure exists in great abundance.

AB - We propose the novel method of 'gravitational imaging' to detect and quantify luminous and dark matter substructures in gravitational lens galaxies. The method utilizes highly magnified Einstein rings and arcs as sensitive probes of small perturbations in the lens potential (due to the presence of the mass substructure), reconstructing the gravitational lens potential non-parametrically. Numerical simulations show that the implemented algorithm can reconstruct the smooth mass distribution of a typical lens galaxy - exhibiting reasonable signal-to-noise Einstein rings - as well as compact substructure with masses as low as M(sub) similar to 10(-3) M(lens), if present. 'Gravitational imaging' of pure dark matter substructures around massive galaxies can provide new insight into the standard cold dark matter paradigm, using very different physics than ground-based direct-detection experiments, and probe the hierarchical structure-formation model which predicts that this substructure exists in great abundance.

KW - gravitational lensing

KW - LENS INVERSION

KW - FLUX RATIOS

KW - GALAXY

KW - EINSTEIN

KW - RECONSTRUCTION

KW - PARAMETER

KW - QUASARS

KW - MODELS

KW - HALOS

KW - PROBE

U2 - 10.1111/j.1365-2966.2005.09523.x

DO - 10.1111/j.1365-2966.2005.09523.x

M3 - Article

VL - 363

SP - 1136

EP - 1144

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 4

ER -

ID: 4377257