A ̃60 day Super-orbital Period Originating from the Ultraluminous X-Ray Pulsar in M82DOI: info:10.3847/1538-4357/ab0215v. 873115
Brightman, Murray, Harrison, Fiona A., Bachetti, Matteo, Xu, Yanjun, Fürst, Felix, Walton, Dominic J., Ptak, Andrew, Yukita, Mihoko, and Zezas, Andreas. 2019. "A ̃60 day Super-orbital Period Originating from the Ultraluminous X-Ray Pulsar in M82." The Astrophysical Journal, 873 115. https://doi.org/10.3847/1538-4357/ab0215.