New evidence for lack of CMB power on large scales

• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2010年3期
• 关键词: COSMOLOGY COSMIC MICROWAVE BACKGROUND DATA analysis cosmologycosmic microwave ba
• 基金项目: supported by the National Natural Science Foundation of China (Grant No. 10533020),the National Basic Research Program of China (Grant No. 2009CB824800),the China Postdoctoral Science Foundation Funde

A digitalized temperature map is recovered from the first light sky survey image published by the Planck team, from which an angular power spectrum of the cosmic microwave background (CMB) is derived. The amplitudes of the low multipoles (low-l) measured