Cosmological fast optical transients with the Zwicky Transient Facility: a search for dirty fireballs
Dirty fireballs are a hypothesized class of relativistic massive-star explosions with an initial
Lorentz factor Γ init below the Γ init∼ 100 required to produce a long-duration gamma-ray …
Lorentz factor Γ init below the Γ init∼ 100 required to produce a long-duration gamma-ray …