Linear redshift distortions and power in the IRAS Point Source Catalog Redshift Survey

被引：51
|
作者：
Hamilton, AJS
Tegmark, M
Padmanabhan, N
机构：
[1] Univ Colorado, Joint Inst Lab Astrophys, Boulder, CO 80309 USA
[2] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA
[3] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA
[4] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2000年 / 317卷 / 01期
关键词：
cosmology : theory; large-scale structure of Universe;
D O I：
10.1046/j.1365-8711.2000.03888.x
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a state-of-the-art linear redshift distortion analysis of the recently published IRAS Point Source Catalog Redshift Survey (PSCz). The procedure involves linear compression into 4096 Karhunen-Loeve (signal-to-noise) modes culled from a potential pool of similar to 3x10(5) modes, followed by quadratic compression into three separate power spectra, the galaxy-galaxy, galaxy-velocity and velocity-velocity power spectra. Least squares-fitting to the decorrelated power spectra yields a linear redshift distortion parameter beta approximate to Omega(m)(0.6)/b=0.41(-0.12)(+0.13).
引用
收藏
页码：L23 / L27
页数：5
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