Cepheid calibration of SN 1989B in NGC 3627
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Repeated imaging observations have been made of NGC 3627 with the Hubble Space Telescope in 1997 - 1998 over an interval of 58 days. Images were obtained on 12 epochs in the...
1997年至1998年间，科研团队借助哈勃空间望远镜（Hubble Space Telescope），在58天的观测时段内对NGC 3627开展了重复成像观测。本次观测共计在12个观测历元下获取了图像数据……
