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Table 1

Model parameters.

Model Mcore β Tinit Ω0 r0 Σg,0 rout A
(M) (%) (K) (km s-1 pc-1) (au) (g cm-2) (pc)
1 1.32 0.88 20 3.1 1543 1.54 × 10−1 0.045 1.1
2 0.99 0.77 15 2.6 1474 1.26 × 10−1 0.045 1.2

Notes. Mcore is the initial core mass, β is the ratio of rotational to gravitational energy, Tinit is the initial gas temperature, Ω0 and Σg,0 are the angular velocity and gas surface density at the center of the core, r0 is the radius of the central plateau in the initial core, rout is the initial radius of the core, and A is th einitialpositive density perturbation.

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