Halo Occupation Distribution
- Halo Occupation Distribution
The Halo Occupation Distribution (HOD) is a parameter of the halo model of galaxy clustering.[ cite book]
last = Martinez | first = Vincent J. | coauthors = Enn Saar
title = Statistics of the Galaxy Distribution
origyear = 2002 | accessdate = 2007-12-15
url = http://books.google.com/books?id=f-l9bB-7AQMC | format = PDF
publisher = CRC Press | isbn = 1584880848
pages = 232–237 | chapter = Chapter 7: Random Fields in Cosmology
chapterurl = http://books.google.com/books?id=f-l9bB-7AQMC&pg=PA187&sig=yz66_MDlyygJqwtNxVU4Ltd6eGg "Note: See section 7.8: Halo Model of Galaxy Clustering"] The halo model provides one view of the large scale structure of the universe as clumps of dark matter, while the HOD provides a view of how galactic matter is distributed within each of the dark matter clumps.[cite journal]
last = Zheng | first = Zheng
coauthors = A.A. Berlind, D.H. Weinberg, A.J. Benson, C.M. Baugh, S. Cole, R. Davé, C.S. Frenk, N. Katz, and C.G. Lacey
date = 2005-11-10 | accessdate = 2007-12-15
title = Theoretical Models of the Halo Occupation Distribution: Separating Central and Satellite Galaxies
journal = Astrophysical Journal | volume = 633 | pages = 791–809
publisher = University of Chicago Press
doi = 10.1086/466510 | url = http://www.journals.uchicago.edu/doi/full/10.1086/466510
laysummary = | laysource = | laydate = ] The HOD is used to describe three related properties of the halo model: the probability distribution relating the mass of a dark matter halo to the number of galaxies that form within that halo; the distribution in space of galactic matter within a dark matter halo; the distribution of velocities of galactic matter relative to dark matter within a dark matter halo.[cite journal]
last = Berlind | first = Andreas A. | coauthors = David H. Weinberg
date = 2002-08-20 | accessdate = 2007-12-15
title = The Halo Occupation Distribution: Toward an Empirical Determination of the Relation between Galaxies and Mass
journal = Astrophysical Journal | volume = 575 | pages = 587–616 | publisher = University of Chicago Press
doi = 10.1086/341469 | url = http://www.journals.uchicago.edu/doi/full/10.1086/341469
laysummary = | laysource = | laydate = ] ee also
* Dark matter
* Large-scale structure of the cosmos
* Galaxy formation and evolution
References
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