Singularity-free black holes in conformal gravity: New observational constraints Menglei Zhou, Askar B. Abdikamalov, Dimitry Ayzenberg, Cosimo Bambi, Leonardo Modesto, Sourabh Nampalliwar and Yerong Xu EPL, 125 3 (2019) 30002 Published online: 26 February 2019 DOI: 10.1209/0295-5075/125/30002