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Measuring the distribution of galaxies between haloes

Benson, Andrew J. (2001) Measuring the distribution of galaxies between haloes. Monthly Notices of the Royal Astronomical Society, 325 (3). pp. 1039-1044. ISSN 0035-8711. https://resolver.caltech.edu/CaltechAUTHORS:20170408-195106684

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Abstract

We develop a method to measure the probability, P(N;M), of finding N galaxies in a dark matter halo of mass M from the theoretically determined clustering properties of dark matter haloes and the observationally measured clustering properties of galaxies. Knowledge of this function and the distribution of the dark matter completely specifies all clustering properties of galaxies on scales larger than the size of dark matter haloes. Furthermore, P(N;M) provides strong constraints on models of galaxy formation, since it depends upon the merger history of dark matter haloes and the galaxy–galaxy merger rate within haloes. We show that measurements from a combination of the Two Micron All Sky Survey and Sloan Digital Sky Survey or Two-degree Field Galaxy Redshift Survey data sets will allow P(N;M) averaged over haloes occupied by bright galaxies to be accurately measured for N=0–2.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1046/j.1365-8711.2001.04470.xDOIArticle
https://arxiv.org/abs/astro-ph/0101278arXivDiscussion Paper
ORCID:
AuthorORCID
Benson, Andrew J.0000-0001-5501-6008
Additional Information:© 2001 RAS. Accepted 2001 February 23. Received 2001 January 30; in original form 2000 December 8. We would like to thank Marc Kamionkowski for a careful reading of this work, Carlton Baugh, Shaun Cole, Carlos Frenk and Cedric Lacey for making available results from their galaxy formation model, Simon White for useful discussions, and the Virgo Consortium for making available the GIF simulations used in this work. We would also like to thank the anonymous referee for helpful suggestions.
Subject Keywords:galaxies: haloes, dark matter, large-scale structure of Universe
Issue or Number:3
Record Number:CaltechAUTHORS:20170408-195106684
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170408-195106684
Official Citation:Andrew J. Benson; Measuring the distribution of galaxies between haloes, Monthly Notices of the Royal Astronomical Society, Volume 325, Issue 3, 11 August 2001, Pages 1039–1044, https://doi.org/10.1046/j.1365-8711.2001.04470.x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:76372
Collection:CaltechAUTHORS
Deposited By: 1Science Import
Deposited On:30 Mar 2018 19:54
Last Modified:03 Oct 2019 17:00

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