Model-independent determination on H0 using the latest cosmic chronometer data

• 来源期刊: 中国科学:物理学 力学 天文学（英文版）
• 年，卷（期）: 2017,（11）
• 页码范围: 1-10
• 页数: 10页
• 语种: 英文
• DOI: 10.1007/s11433-017-9079-1

摘要

We perform the updated constraints on the Hubble constant H0 by using the model-independent method,Gaussian processes.Utilizing the latest 30 cosmic chronometer measurements,we obtain H0 =67.38 ± 4.72 km s-1 Mpc-1,which is consistent with the Planck 2015 and Riess et al.analysis at 1σ confidence level.Different from the results of Busti et al.by only using 19 H(z)measurements,our reconstruction results of H(z) and the derived values of H0 are insensitive to the concrete choice of covariance functions of Matérn family.