2dF 星系红移测量：余弡滤波的宇宙网格重建
天体物理学
2009-07-07 v1
摘要
我们使用余弡滤波方法对 2 度场星系红移测量（2dFGRS）进行重建，覆盖红移范围 0.035<z<0.200。余弡滤波抑制了 shot noise，并考虑了选择和不完整性效应。该方法依赖于对 2dF 功率谱波动的先验知识以及物质密度和偏差参数的组合，但结果对这些参数的变化影响不大。我们呈现两种分辨率下的密度场图：5 Mpc/h 和 10 Mpc/h。我们识别了调查中所有主要的星系团和空洞。特别是，我们发现两个大型星系团和两个大型局部空洞。可在 http://www.ast.cam.ac.uk/~pirin 查看包含完整彩色图集的本文版本。
关键词
引用
@article{arxiv.astro-ph/0312546,
title = {The 2dF Galaxy Redshift Survey: Wiener Reconstruction of the Cosmic Web},
author = {Pirin Erdogdu and Ofer Lahav and Saleem Zaroubi and George Efstathiou and Steve Moody and John A. Peacock and Matthew Colless and Ivan K. Baldry and Carlton M. Baugh and Joss Bland-Hawthorn and Terry Bridges and Russell Cannon and Shaun Cole and Chris Collins and Warrick Couch and Gavin Dalton and Roberto De Propris and Simon P. Driver and Richard S. Ellis and Carlos S. Frenk and Karl Glazebrook and Carole Jackson and Ian Lewis and Stuart Lumsden and Steve Maddox and Darren Madgwick and Peder Norberg and Bruce A. Peterson and Will Sutherland and Keith Taylor},
journal= {arXiv preprint arXiv:astro-ph/0312546},
year = {2009}
}
备注
22 pages, 16 Figures, submitted to MNRAS