GW190521 may be an intermediate mass ratio inspiral

@misc{ pirsa_PIRSA:20110043,
  doi = {10.48660/20110043},
  url = {https://pirsa.org/20110043},
  author = {Nitz, Alexander and Capano, Collin},
  keywords = {Strong Gravity},
  language = {en},
  title = {GW190521 may be an intermediate mass ratio inspiral},
  publisher = {Perimeter Institute},
  year = {2020},
  month = {nov},
  note = {PIRSA:20110043 see, \url{https://pirsa.org}}
}