Feeding the spider with carbon - [CII] emission from the circumgalactic medium and active galactic nucleusC. De Breuck, A. Lundgren, B. Emonts, S. Kolwa, H. Dannerbauer and M. LehnertA&A, 658 (2022) L2DOI: https://doi.org/10.1051/0004-6361/202141853