Radial velocity map of solar wind transients in the field of view of STEREO/HI1 on 3 and 4 April 2010Xiaolei Li, Yuming Wang, Jingnan Guo, Rui Liu and Bin ZhuangA&A, 649 (2021) A58DOI: https://doi.org/10.1051/0004-6361/202039766