分析红移测量以在大尺度上测量功率谱
天体物理学
2016-01-27 v1
摘要
未来的大型红移测量潜力允许对星系功率谱进行高精度测量。为了准确地在与调查深度相当的最小尺度上测量 P(k),必须在数据分析中准确校正有限体积效应。本文推导了这样一种尚未精确计算的效应,即所谓的积分约束。我们还指出对于基于单元计数的数据分析方法,可以通过简单的矩阵运算包含多个约束,从而使结果对银河消光和径向选择函数形状的误估不那么敏感。
引用
@article{arxiv.astro-ph/9708021,
title = {Analyzing redshift surveys to measure the power spectrum on large scales},
author = {Max Tegmark},
journal= {arXiv preprint arXiv:astro-ph/9708021},
year = {2016}
}
备注
Mostly superseded by astro-ph/9708020; from 5/5-97. 10 pages, with 1 figure included. More detailed treatment at http://www.sns.ias.edu/~max/galpower.html (faster from the US), from http://www.mpa-garching.mpg.de/~max/galpower.html (faster from Europe) or from [email protected]