Supernova Light Curves

Type Ia (standard candle, Ni-56→Co-56→Fe-56 decay chain). Type II (H recombination plateau). Rise, peak, decline timescales.

Ni-56 Mass (Ia): 0.60 M☉

Progenitor Mass (IIp): 15 M☉

Light Curve Parameters

Ia Peak Magnitude

M = −19.3

Ia Δm₁₅

—

IIp Plateau Duration

~100 days

⁵⁶Ni Decay Time

8.8 days