Deprojecting densities from angular cross-correlations

被引：23

作者：

Eisenstein, DJ ^{[1
]}

机构：

[1] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

来源：

ASTROPHYSICAL JOURNAL | 2003年 / 586卷 / 02期

基金：

美国国家科学基金会;

关键词：

large-scale structure of universe; methods : statistical;

D O I：

10.1086/367851

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a model-independent, spherically symmetric density estimator to be used in the cross-correlation of imaging catalogs with objects of known redshift. The estimator is a simple modi. cation of the usual projected density estimator, with weightings that produce a spherical aperture rather than a cylindrical one.

引用

收藏

页码：718 / 722

页数：5

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