HST/WFC3 obs. of Cepheids in SN Ia host gal.
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We use the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) to reduce the uncertainty in the local value of the Hubble constant from 3.3% to 2.4%. The bulk of this...
我们借助搭载于哈勃空间望远镜(Hubble Space Telescope, HST)的宽视场相机3(Wide Field Camera 3, WFC3),将哈勃常数局域取值的不确定度从3.3%降至2.4%。此项工作的主体内容为……



