Cluster aggregates surrounding Pismis 5 in the Vela molecular ridge Ming Feng Qin, Yu Zhang, Jinzhong Liu, Fangfang Song, Qingshun Hu, Haozhi Wang, Shuo Ma and Guoliang Lü A&A, 675 (2023) A67 Published online: 03 July 2023 DOI: 10.1051/0004-6361/202244737