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Home All issues Volume 648 (April 2021) A&A, 648 (2021) A76 Full HTML
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Table 1

Rate coefficient parameters for O(3P) + H2 (v, j).

Initial H2 state α (cm3 s−1) β γ (K) Initial H2 state α (cm3 s−1) β γ (K)
j = 0 4.873 × 10−14 2.9453 3145.4 j = 0 1.269 × 10−11 1.2721 87.9
j = 1 3.849 × 10−14 3.0578 2827.4 j = 1 2.537 × 10−11 0.9839 181.8
j = 2 2.975 × 10−14 3.2066 2378.9 j = 2 2.834 × 10−11 0.9737 116.5
j = 3 1.642 × 10−14 3.5176 1818.9 j = 3 2.708 × 10−11 1.0343 75.0
v = 0 j = 4 6.650 × 10−15 3.9662 1224.9 v = 4 j = 4 2.721 × 10−11 1.0737 123.5
j = 5 7.522 × 10−15 3.9510 1045.5 j = 5 3.099 × 10−11 1.0361 156.3
j = 6 8.392 × 10−15 3.9388 912.4 j = 6 3.686 × 10−11 0.9562 111.5
j = 7 1.097 × 10−14 3.8553 848.8 j = 7 4.902 × 10−11 0.8408 103.4
j = 8 1.538 × 10−14 3.7356 793.8 j = 8 6.081 × 10−11 0.7665 95.3
j = 9 1.968 × 10−14 3.6597 703.5 j = 9 7.297 × 10−11 0.7072 84.2
j = 10 2.823 × 10−14 3.5505 662.5 j = 10 9.703 × 10−11 0.6053 148.6
j = 0 5.833 × 10−15 4.1903 354.2 j = 0 3.758 × 10−11 0.8816 −63.7
j = 1 1.504 × 10−14 3.7943 484.4 j = 1 4.797 × 10−11 0.8114 −7.2
j = 2 2.956 × 10−14 3.5601 466.7 j = 2 5.290 × 10−11 0.8122 −3.4
j = 3 3.277 × 10−14 3.5936 296.4 j = 3 5.541 × 10−11 0.8329 10.3
v = 1 j = 4 5.233 × 10−14 3.4386 308.0 v = 5 j = 4 6.032 × 10−11 0.8214 49.8
j = 5 6.747 × 10−14 3.3745 307.5 j = 5 6.902 × 10−11 0.7596 37.8
j = 6 7.963 × 10−14 3.3506 303.9 j = 6 8.384 × 10−11 0.6871 62.7
j = 7 2.245 × 10−13 2.9066 554.3 j = 7 1.083 × 10−10 0.5929 69.8
j = 8 3.009 × 10−13 2.8003 535.9 j = 8 1.237 × 10−10 0.5479 10.4
j = 9 3.708 × 10−13 2.7379 474.3 j = 9 1.410 × 10−10 0.5093 −0.5
j = 10 4.796 × 10−13 2.6591 404.5 j = 10 1.547 × 10−10 0.4875 2.9
j = 0 2.308 × 10−13 2.7935 319.1 j = 0 6.124 × 10−11 0.8417 −9.7
j = 1 6.629 × 10−13 2.3507 475.4 j = 1 8.904 × 10−11 0.6775 −24.5
j = 2 1.993 × 10−12 1.8977 610.9 j = 2 1.220 × 10−10 0.5626 1.1
j = 3 3.118 × 10−12 1.7319 600.6 j = 3 1.243 × 10−10 0.5739 −6.8
v = 2 j = 4 2.491 × 10−12 1.8734 482.1 v = 6 j = 4 1.225 × 10−10 0.5886 −30.5
j = 5 1.890 × 10−12 2.0457 397.2 j = 5 1.365 × 10−10 0.5445 −35.3
j = 6 1.905 × 10−12 2.0860 382.1 j = 6 1.487 × 10−10 0.5239 −35.0
j = 7 3.816 × 10−12 1.7968 533.1 j = 7 1.729 × 10−10 0.4752 −23.5
j = 8 6.600 × 10−12 1.5654 591.6 j = 8 2.050 × 10−10 0.4161 −29.7
j = 9 8.468 × 10−12 1.4712 547.7 j = 9 2.280 × 10−10 0.3848 −33.5
j = 10 9.667 × 10−12 1.4332 463.3 j = 10 2.422 × 10−10 0.3759 −27.0
j = 0 2.949 × 10−12 1.8080 279.0 j = 0 1.686 × 10−10 0.5093 −5.7
j = 1 8.269 × 10−12 1.3639 417.9 j = 1 1.829 × 10−10 0.4753 −28.7
j = 2 1.634 × 10−11 1.0928 453.1 j = 2 1.971 × 10−10 0.4509 −27.7
j = 3 1.633 × 10−11 1.1446 403.6 j = 3 2.007 × 10−10 0.4486 −32.0
v = 3 j = 4 1.482 × 10−11 1.2310 407.4 v = 7 j = 4 2.088 × 10−10 0.4367 −37.6
j = 5 1.296 × 10−11 1.3220 373.7 j = 5 2.292 × 10−10 0.4004 −29.9
j = 6 1.582 × 10−11 1.2313 344.8 j = 6 2.390 × 10−10 0.3966 −25.6
j = 7 3.020 × 10−11 0.9518 442.9 j = 7 2.644 × 10−10 0.3703 −11.1
j = 8 3.933 × 10−11 0.8634 443.7 j = 8 3.021 × 10−10 0.3258 −2.9
j = 9 4.666 × 10−11 0.8169 426.5 j = 9 3.261 × 10−10 0.3056 2.5
j = 10 4.734 × 10−11 0.8362 360.0 j = 10 3.319 × 10−10 0.3127 9.5

Notes. The parameters α, β, and γ are obtained by fitting the QM/QCT rate coefficients (provided as Supplementary Information) to the expression , where T is the temperature in degrees Kelvin. The fits are valid for the temperature range 100–3000 K, except for v = 0, j = 0–3, in which case the fits are only valid in the 200–3000 K temperature range.

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