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Home All issues Volume 649 (May 2021) A&A, 649 (2021) A66 Full HTML
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Table 3

Simulated D/H ratios in the hot corino for a broad range of conditions in the prestellar stage.

# T(K) Duration (Myr) ξH 2 (10−17 s−1) G0 fD1 fD2 α
1 10 1 1 1 5 × 10−4 6 × 10−3 12.0
2 10 2 1 1 1 × 10−3 2 × 10−2 20.0
3 10 3 1 1 1 × 10−3 2 × 10−2 20.0
4 10 3 10 1 7 × 10−3 1 × 10−2 1.4
5 10 3 100 1 3 × 10−2 2 × 10−2 0.7
6 10 3 1 10 1 × 10−3 2 × 10−2 20.0
7 10 3 1 100 3 × 10−3 3 × 10−2 10.0
8 20 1 1 1 1 × 10−3 1 × 10−2 10
9 30 1 1 1 2 × 10−3 7 × 10−3 3.5
10 20 3 1 1 2 × 10−3 3 × 10−2 15.0
11 30 3 1 1 1 × 10−3 5 × 10−3 5.0
12 10 1.5 1 1 7 × 10−4 8 × 10−3 11.0
13(a) 15 1.5 1 1 7 × 10−4 6 × 10−3 8.6
14(a) 20 1.5 1 1 3 × 10−4 2 × 10−3 6.7

Notes.The reported fD1 and fD2 values are the median across all tracer particles entering the hot corino.(a) For these models, the minimum temperature during the protostellar collapse was fixed at the temperature of the prestellar phase, as noted in thetable.

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