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GALACTICUS: A semi-analytic model of galaxy formation

Benson, Andrew J. (2012) GALACTICUS: A semi-analytic model of galaxy formation. New Astronomy, 17 (2). pp. 175-197. ISSN 1384-1076. doi:10.1016/j.newast.2011.07.004.

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We describe a new, free and open source semi-analytic model of galaxy formation, GALACTICUS. The GALACTICUS model was designed to be highly modular to facilitate expansion and the exploration of alternative descriptions of key physical ingredients. We detail the GALACTICUS engine for evolving galaxies through a merging hierarchy of dark matter halos and give details of the specific implementations of physics currently available in GALACTICUS. Finally, we show results from an example model that is in reasonably good agreement with several observational datasets. We use this model to explore numerical convergence and to demonstrate the types of information which can be extracted from GALACTICUS.

Item Type:Article
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URLURL TypeDescription
Benson, Andrew J.0000-0001-5501-6008
Additional Information:© 2011 Elsevier B.V. Received 11 August 2010. Accepted 15 July 2011. Available online 22 July 2011. The author acknowledges the support of the Gordon & Betty Moore Foundation.
Group:Moore Center for Theoretical Cosmology and Physics
Funding AgencyGrant Number
Gordon and Betty Moore FoundationUNSPECIFIED
Subject Keywords:Galaxies Cosmology Galactic structure Galaxy evolution Galaxy formation
Issue or Number:2
Record Number:CaltechAUTHORS:20120120-151217510
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Official Citation:Andrew J. Benson, Galacticus: A semi-analytic model of galaxy formation, New Astronomy, Volume 17, Issue 2, February 2012, Pages 175-197, ISSN 1384-1076, 10.1016/j.newast.2011.07.004. (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28896
Deposited By: Ruth Sustaita
Deposited On:20 Jan 2012 23:30
Last Modified:09 Nov 2021 17:01

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