We report on the measurement of the two-neutrino double beta decay half-life of $^{130}$Te with the CUORE-0 detector. From an exposure of 33.4 kg$cdot$y of TeO$_2$, the half-life is determined to be $T_{1/2}^{2 u}$ = [8.2 $pm$ 0.2 (stat.) $pm$ 0.6 (syst.)] $times$ 10$^{20}$y. This result is obtained after a detailed reconstruction of the sources responsible for the CUORE-0 counting rate, with a specific study of those contributing to the $^{130}$Te neutrinoless double beta decay region of interest.
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