星系团中热康普顿化引起的宇宙微波背景谱修正:解析研究
宇宙学与河外天体物理
2019-11-26 v3 高能天体物理现象
摘要
见注释。我们解析地计算了当宇宙微波背景(CMB)光子穿过星系团时热康普顿化对其的影响。我们估计了光子在光学薄热球形等离子体云中经多次康普顿散射所导致的 CMB 谱形变。这一新方法使我们能够利用 CMB 观测来分离并确定星系团的 optical depth 和电子温度。
引用
@article{arxiv.1906.07060,
title = {The cosmic microwave background spectral modification due to thermal Comptonization in galaxy clusters. Analytical consideration},
author = {Lev Titarchuk and Galina Lipunova},
journal= {arXiv preprint arXiv:1906.07060},
year = {2019}
}
备注
The manuscript is withdrawn since an issue is found in the technique used to compute CMB modification; an additional analysis is being made in order to resolve the problem