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Table D.1

Integrated line fluxes of H2 transitions.

Transition λ Eup 𝔤u line τtot(1) line × exp(τtot) Nu
µm K W m−2 arcsec−2 W m−2 arcsec−2 cm−2
0-0 S(7) 5.511 7196.7 57 4.5±1.4(−17) 2.68 4.3±1.3(−16) 3.2±1.6(18)
0-0 S(6) 6.109 5829.8 17 9.9±3.4(−18) 4.44 5.5±1.9(−16) 7.8±4.3(18)
0-0 S(5) 6.910 4586.1 45 4.5±0.4(−17) 4.25 2.1±0.2(−15) 6.5±1.9(19)
0-0 S(4) 8.025 3474.5 13 6.3±0.5(−17) 3.29 1.1±0.2(−15) 9.1±2.6(19)
0-0 S(3) 9.665 2503.7 33 3.1±1.3(−17) 6.39 1.2±0.5(−14) 3.2±2.0(21)
0-0 S(2) 12.279 1681.6 9 2.3±0.6(−17) 5.94 5.6±1.4(−15) 6.7±3.1(21)
0-0 S(1) 17.035 1015.1 21 1.8±0.4(−16) 4.08 7.0±1.4(−15) 6.8±2.7(22)

Notes. a(b) means a × 10b.(1) Total extinction in units of optical depth at the respective wavelength λ computed using Eq. (C.1). The line optical depths of the H2 transitions themselves are all small (τline ≪ 1).

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