Spectroscopy in cluster RDCS J1252.9-2927 (z=1.2)
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Recent wide-field imaging observations of the X-ray luminous cluster RDCS J1252.9-2927 at z=1.24 uncovered several galaxy groups that appear to be embedded in filamentary...
近期针对红移z=1.24的X射线亮星系团RDCS J1252.9-2927所开展的宽视场成像观测，发现了数个似乎嵌入于丝状结构中的星系群……
