Jim Fuller edited figures/MassiveIGWspin/caption.tex  over 9 years ago

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\label{MassiveIGWspin} \label{fig:MassiveIGWspin}  {\bf Left:} Normalized distributions of the minimum rotation frequency of the pre-collapse iron core, $f_{\rm Fe}$, set by IGW during shell C, O, and Si burning. Each curve is a Maxwellian distribution. The top axes show the corresponding NS rotation rates if AM is conserved during the SN. Since Si burning occurs last, the red curve is likely to be the most relevant for determining pre-collapse SN rotation rates. {\bf Right:} Corresponding maximum spin period distribution. Iron core rotation periods likely have $P_{\rm Fe} \lesssim {\rm several} \times 10^3 \, {\rm s}$ due to stochastic influxes of IGW. This entails most NSs are born with $P_{\rm NS} \lesssim {\rm few} \times 100\,{\rm ms}$.