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Gravitational Lensing & Stellar Dynamics

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arxiv astro-ph/0511121 v1 pith:A3PL4VX6 submitted 2005-11-04 astro-ph

classification astro-ph
keywords dynamicsstellardensitygalaxiesgravitationallensingmassprofiles
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Strong gravitational lensing and stellar dynamics provide two complementary and orthogonal constraints on the density profiles of galaxies. Based on spherically symmetric, scale-free, mass models, it is shown that the combination of both techniques is powerful in breaking the mass-sheet and mass-anisotropy degeneracies. Second, observational results are presented from the Lenses Structure & Dynamics (LSD) Survey and the Sloan Lens ACS (SLACS) Survey collaborations to illustrate this new methodology in constraining the dark and stellar density profiles, and mass structure, of early-type galaxies to redshifts of unity.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Identification of Lensed Gravitational-Wave Beat Patterns by LISA

    astro-ph.CO 2026-06 unverdicted novelty 6.0 of 10

    Strong lensing of MBHBs produces identifiable beat patterns in about 7% of detectable two-image LISA events, with Bayesian inference recovering time delay and magnification parameters.

  2. The Last Stand Before Rubin: a consolidated sample of strong lensing systems in wide-field surveys

    astro-ph.GA 2025-09 conditional novelty 6.0 of 10

    A new compilation of over 30,000 strong-lensing candidates with multi-survey images yields an independent ground-based constraint γ_PPN = 1.023 ± 0.028 and a combined constraint γ_PPN = 1.034 ± 0.025.

  3. Testing General Relativity on Galactic Scales via DESI-BAO and Strong Lensing: Circumventing Assumptions on the Hubble Constant, Sound Horizon, and Dark Energy

    astro-ph.CO 2026-03 conditional novelty 5.5 of 10

    Model-independent BAO+strong-lensing analysis yields γ_PPN ≈ 1.10–1.15 (P1) and 1.32–1.49 (P2), consistent with GR at 1–2.5σ depending on the lens mass model.

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