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Using Perturbative Least Action to Reconstruct the Local Group
Journal article   Open access   Peer reviewed

Using Perturbative Least Action to Reconstruct the Local Group

David M Goldberg
The Astrophysical journal, v 550(1)
04 Sep 2000
DOI: https://doi.org/10.1086/319731
url
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.314.9440View
SubmittedOpen Access (License Unspecified),  Open
url
https://doi.org/10.1086/319731View
Published, Version of Record (VoR) Open

Abstract

Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics
Astrophys. J.550:87,2001 In this paper, we apply the Perturbative Least Action Method to model the Local Group of galaxies for various Cosmological models. We show that though the galaxy masses are theoretically good discriminators of $\Omega_M$ given some observed MW and M31 separation and radial velocity, current estimates of the masses are insufficient to make any cosmological claims. We then discuss additional complications to expand this analysis.

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Astronomy & Astrophysics
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