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Tag: astro-ph-ga · clear

2 items

A RELHIC twin candidate near the galaxy M51

arXiv 2026-07-23

Qingze Chen, Jie Wang, Yingjie Jing, Chen Xu, Tiantian Liang, Zerui Liu, Zhipeng Hou, Yiwei Xu, Cheng Cheng, Wei Du

We report the discovery of a pair of H I clouds near M51 (NGC 5194) using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). These clouds have no optical counterparts and are potential candidates for Reio…