An Introduction to Modern Astrophysics · Problem 15.10

The Degenerate Remnants of Stars — Carroll & Ostlie

Physics — Astrophysics · cobalt-decay-light-curve

Problem

If the linear decline of a supernova light curve is powered by the radioactive decay of the ejecta, find the rate of decline (in mag d

^{-1}

) produced by the decay of

^{56}_{27}

\to

^{56}_{26}

Fe, with a half-life of 77.7 days.