Carnegie-Chicago Hubble Program: RR Lyrae NIR obs.
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We present photometry of 30 Galactic RR Lyrae variables taken with HST WFC3/IR for the Carnegie-Chicago Hubble Program. These measurements form the base of the distance-ladder...
我们报道了为卡内基-芝加哥哈勃项目(Carnegie-Chicago Hubble Program),利用哈勃空间望远镜(Hubble Space Telescope, HST)广域相机3红外通道(WFC3/IR)获取的30颗银河系天琴座RR型变星(RR Lyrae variables)的测光数据。该批测量数据构成了距离阶梯(distance-ladder)的基础……



