Positions and photometry of HII knots in M51
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Far-ultraviolet to far-infrared images of the nearby galaxy NGC 5194 (M51a), from a combination of space-based (Spitzer, GALEX, and Hubble Space Telescope) and ground-based...
邻近星系NGC 5194（M51a）的远紫外至远红外波段图像，其数据源自天基（斯皮策（Spitzer）、GALEX、哈勃空间望远镜（Hubble Space Telescope））与地基观测设备的联合观测……
