... rate

This was determined using the equation of Kennicutt (1998) and adopting the average ${\rm H}\alpha$ flux of the galaxy as $7.1~\times~10^{-11}~{\rm erg~s}^{-1}$ (Kennicutt, priv. comm.) and a representative extinction of $E(B-V)~\sim~0.5$ mag (Hadfield et al. 2005).

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