The Carnegie-Chicago Hubble Program. II. IC 1613

IC 1613 is an isolated dwarf galaxy within the Local Group. Low foreground and internal extinction, low metallicity, and low crowding make it an invaluable testbed for the...IC 1613是隶属于本星系群（Local Group）的孤立矮星系。低前景消光与内部消光、低金属丰度以及低恒星拥挤度，使其成为适用于……的宝贵测试平台。