Fürst, F., Walton, D. J., Israel, G. L., Bachetti, M., Barret, D., Brightman, M., …Webb, N. (2023). Probing the nature of the low state in the extreme ultraluminous X-ray pulsar NGC 5907 ULX1. Astronomy & Astrophysics, 672, Article A140. https://doi.org/10.1051/0004-6361/202245048