Magnetars

SN2018kzr: A Rapidly Declining Transient from the Destruction of a White Dwarf

We present SN2018kzr, the fastest declining supernova-like transient, second only to the kilonova, AT2017gfo. SN2018kzr is characterized by a peak magnitude of M r = -17.98, a peak bolometric luminosity of ∼1.4 × 1043 erg s-1, and a rapid decline …