Subaru Hyper Suprime-Cam Survey for An Optical Counterpart of GW170817

Nozomu Tominaga, Masaomi Tanaka, Tomoki Morokuma +31

We perform a $z$-band survey for an optical counterpart of a binary neutron star coalescence GW170817 with Subaru/Hyper Suprime-Cam. Our untargeted transient search covers $23.6$ d…