A lower bound on the maximum mass if the secondary in GW190814 was once a rapidly spinning neutron star

Elias R. Most, L. Jens Papenfort, Lukas R. Weih +1

The recent detection of GW190814 featured the merger of a binary with a primary having a mass of $\sim 23M_{\odot }$ and a secondary with a mass of $\sim 2.6M_{\odot }$. While th…