A rapidly spinning supermassive black hole at the centre of NGC1365DOI: info:10.1038/nature11938v. 494449–451
Risaliti, G., Harrison, F. A., Madsen, K. K., Walton, D. J., Boggs, S. E., Christensen, F. E., Craig, W. W., Grefenstette, B. W., Hailey, C. J., Nardini, E., Stern, Daniel, and Zhang, W. W. 2013. "A rapidly spinning supermassive black hole at the centre of NGC1365." Nature, 494 449–451. https://doi.org/10.1038/nature11938.