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Fig. 13.

image

Evolution of hot bursts accreting models with Z = 0.0001, final masses of Mfin = 0.7 and 0.8 M, Mseed = 10 MJ, Rseed = 3 R, and = 10−5 M yr−1 (green line). Standard non-accreting models (grey lines), reference cold LLC (black line), and the hot (red line) accreting models with Mseed = 10 MJ, Rseed = 3 R, and = 10−5 M yr−1 are shown for comparison purposes. Left panel: HR diagram with the position of models at 1 Myr (filled triangles) and 10 Myr (filled squares), deuterium burning region (thick magenta line), and the end of the accretion phase (crosses) are marked. Right panel: evolution of the surface radius (in solar units) and central temperature (in units of 106 K) as a function of the actual total mass. Hot and cold reference accretion cases (red and black lines) are only shown during the accretion phase for comparison purposes.

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