宇宙微波背景与Omega_m-Omega_lambda平面上的观测收敛
天体物理学
2009-10-30 v2
摘要
我利用最新的宇宙微波背景(CMB)各向异性测量,对Omega_m-Omega_lambda平面上的主导冷暗物质模型进行约束。偏好狭窄的三角形区域。该三角形被拉长,使得即使是最保守的近期超新星、星团质量-光度比和双星源约束,其交集仍很小,提供了当前在Omega_m-Omega_lambda平面上最佳的限制:Omega_lambda=0.62±0.16,Omega_m=0.24±0.10。CMB与其他观测之间的这种互补性在99%置信水平以上排除了Omega_lambda=0模型。
引用
@article{arxiv.astro-ph/9805326,
title = {The Cosmic Microwave Background and Observational Convergence in the Omega_m - Omega_lambda Plane},
author = {Charles H. Lineweaver},
journal= {arXiv preprint arXiv:astro-ph/9805326},
year = {2009}
}
备注
This version conforms to the version accepted by the Astrophysical Journal Letters. Minor revisions include references, typos and phrasing. 13 pages including 3 Figures