@inproceedings{Watanabe:2023kX, author = "Watanabe, Keito and Fedynitch, Anatoli and Capel, Francesca and Sagawa, Hiroyuki", title = "{Overcoming Challenges in Finding Ultra-High-Energy Cosmic Ray Sources with a Bayesian Hierarchical Framework: Impact of the Galactic magnetic field and mass composition}", doi = "10.22323/1.444.0479", booktitle = "Proceedings of 38th International Cosmic Ray Conference {\textemdash} PoS(ICRC2023)", year = 2023, volume = "444", pages = "479" }