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Cited by 855

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Triaxial Modeling of Halo Density Profiles with High‐Resolution N‐Body Simulations

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Jing, Y. P., Suto, Yasushi·2002·The Astrophysical Journal
DOI 10.1086/341065
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Abstract

We present a detailed nonspherical modeling of dark matter halos on the basis of a combined analysis of high-resolution halo simulations (12 halos with N ~ 10 6 particles within their virial radius) and large cosmological simulations (five realizations with N = 512 3 particles in a 100 h -1 Mpc box size). The density profiles of those simulated halos are well approximated by a sequence of the concentric triaxial distribution with their axis directions being fairly aligned. We characterize the triaxial model quantitatively by generalizing the universal density profile, that has previously been discussed only in the framework of the spherical model. We obtain a series of practically useful fitting formulae in applying the triaxial model: the mass and redshift dependence of the axis ratio, the mean of the concentration parameter, and the probability distribution functions of the axis ratio and the concentration parameter. These accurate fitting formulae form a complete description of the triaxial density profiles of halos in cold dark matter models. Our current description of the dark halos will be particularly useful in predicting a variety of nonsphericity effects, to a reasonably reliable degree, including the weak and strong lens statistics, the orbital evolution of galactic satellites and triaxiality of galactic halos, and the nonlinear clustering of dark matter. In addition, this provides a useful framework for the nonspherical modeling of the intracluster gas, which is crucial in discussing the gas and temperature profiles of X-ray clusters and the Hubble constant estimated via the Sunyaev-Zeldovich effect.

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Metadata

Authors
Jing, Y. P., & Suto, Y.
Venue
The Astrophysical Journal
Publisher
American Astronomical Society
Published
2002-08
Volume
574
Issue
2
Pages
538-553
ISSN
  • 0004-637X (ISSN-L)
  • 1538-4357
DOI
10.1086/341065
OpenAlex
W2127711265
Cited by
855
References
39
FWCI
27.29
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Triaxial Modeling of Halo Density Profiles with High‐Resolution N‐Body Simulations. https://app.cochat.ai/papers/10.1086/341065
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Jing, Y. P., & Suto, Y. (2002). Triaxial Modeling of Halo Density Profiles with High‐Resolution N‐Body Simulations. The Astrophysical Journal. https://doi.org/10.1086/341065

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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