Dearth of dark matter or massive dark halo? Mass-shape-anisotropy degeneracies revealed by nmagic dynamical models of the elliptical galaxy NGC 3379

2008/04/21 by Flavio De Lorenzi, F. De Lorenzi, Ortwin Gerhard +15 · 125 citations
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Dark galaxy #Dark matter #Dark matter halo #Elliptical galaxy #Galactic halo #Galaxies: Formation, Evolution, Phenomena #Galaxy #Halo #Physics #Scientific Research and Discoveries #astro-ph

paper · pdf · doi:10.1111/j.1365-2966.2009.14553.x

published in Monthly Notices of the Royal Astronomical Society 395(1), 76-96 (Oxford University Press) · 22 pages, 25 figures, revised version for MNRAS

arxiv created 2008/04/21 · openalex publication_date 2009/03/30 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Author: De Lorenzi, F. et al.; Genre: Journal Article; Issued: 2009-03-30; Title: Dearth of dark matter or massive dark halo? Mass-shape-anisotropy degeneracies revealed by nmagic dynamical models of the elliptical galaxy NGC 3379

Citations

• Extended H [CSC]i[/CSC] Disks in Dust Lane Elliptical Galaxies
• Kinematical signatures of hidden stellar discs
• Lost and found dark matter in elliptical galaxies
• Axisymmetric Three‐Integral Models for Galaxies
• Greatly Extended X-Ray Emission around the Elliptical Galaxy NGC 4636 Observed with [ITAL]ASCA[/ITAL]
• Dynamical modelling of luminous and dark matter in 17 Coma early-type galaxies
• Measuring Distances and Probing the Unresolved Stellar Populations of Galaxies Using Infrared Surface Brightness Fluctuations
• Large-Scale Model of the Milky Way: Stellar Kinematics and the Microlensing Event Timescale Distribution in the Galactic Bulge
• Mass-to-light ratio gradients in early-type galaxy haloes
• Regularized orbit models unveiling the stellar structure and dark matter halo of the Coma elliptical NGC 4807
• Tracing the star stream through M31 using planetary nebula kinematics

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• A discrete chemo-dynamical model of the giant elliptical galaxy NGC 5846: dark matter fraction, internal rotation, and velocity anisotropy out to six effective radii
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• The Fornax Cluster VLT Spectroscopic Survey II – Planetary Nebulae kinematics within 200 kpc of the cluster core
• The MASSIVE Survey – V. Spatially resolved stellar angular momentum, velocity dispersion, and higher moments of the 41 most massive local early-type galaxies