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NGC 1052-DF2 And Modified Gravity (MOG) Without Dark Matter

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arxiv 1805.01117 v3 pith:VOPWAUN6 submitted 2018-05-03 gr-qc astro-ph.GA

J. W. Moffat , V. T. Toth This is my paper · ORCID
classification gr-qcastro-ph.GA
keywords gravitydispersionvelocitymodifiednewtonianclustersconsistentdark
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We model the velocity dispersion of the ultra-diffuse galaxy NGC 1052-DF2 using Newtonian gravity and modified gravity (MOG). The velocity dispersion predicted by MOG is higher than the Newtonian gravity prediction, but it is fully consistent with the observed velocity dispersion that is obtained from the motion of 10 globular clusters.

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Cited by 2 Pith papers

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

  1. Exploring velocity dispersion anisotropy in a dark matter dominated ultra-diffuse galaxy with modified gravity models

    astro-ph.CO 2024-12 conditional novelty 4.0 of 10

    For NGC1052-DF44, MOND and RGGR modified gravity fits with free orbital anisotropy match the observed velocity dispersion as well as an NFW dark matter halo.

  2. Modified Gravity Theories in Light of the Anomalous Velocity Dispersion of NGC1052-DF2

    gr-qc 2019-08 conditional novelty 4.0 of 10

    NGC1052-DF2 and NGC1052-DF4 velocity dispersions are consistent with MOND, MOG, Weyl gravity and GR without dark matter, but Verlinde's emergent gravity is disfavored at D=20 Mpc.

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