Cosmological Fast Optical Transients with the Zwicky Transient Facility: A Search for Dirty Fireballs

Anna Y. Q. Ho, Daniel A. Perley, Yuhan Yao +33

Dirty fireballs are a hypothesized class of relativistic massive-star explosions with an initial Lorentz factor ${\Gamma }_{\mathrm{init}}$ below the ${\Gamma }_{\mathrm{init}}\sim 100$ required to pro…