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Home All issues Volume 628 (August 2019) A&A, 628 (2019) A127 Full HTML
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Table 2

Optical depth τν0, excitation temperature Tex, and H2O column density .

T ne τν0, Tex, , τν0, Tex, ,
(K) (cm−3) Gaussian Gaussian Gaussian CO CO CO
profile profile (K) profile (cm−2) profile profile (K) profile (cm−2)
50 100 4.80 9.59 3.84 × 1013 7.92 11.1 6.73 × 1013
300 1.64 10.9 1.38 × 1013 2.67 12.0 2.35 × 1013
900 0.590 14.5 5.75 × 1012 0.959 15.3 9.65 × 1012
LTE 6.56 × 10−2 50.0 2.38 × 1012 0.106 50.0 3.85 × 1012
100 100 3.79 9.75 3.05 × 1013 6.16 11.2 5.25 × 1013
300 1.29 11.5 1.10 × 1013 2.07 12.5 1.86 × 1013
900 0.449 16.2 4.70 × 1012 0.722 16.9 7.77 × 1012
LTE 2.80 × 10−2 100 3.45 × 1012 4.5 × 10−2 100 5.54 × 1012
200 100 3.56 9.8 2.87 × 1013 5.74 11.2 4.91 × 1013
300 1.2 11.7 1.04 × 1013 1.92 12.7 1.75 × 1013
900 0.411 16.8 4.42 × 1012 0.659 17.5 7.23 × 1012
LTE 1.3 × 10−2 200 6.37 × 1012 2.08 × 10−2 200 1.02 × 1013
400 100 3.73 9.76 3.00 × 1013 6.01 11.2 5.13 × 1013
300 1.25 11.6 1.08 × 1013 2.00 12.6 1.81 × 1013
900 0.43 16.6 4.53 × 1012 0.68 17.3 7.47 × 1012
LTE 6.25 × 10−3 401 1.08 × 1013 9.99 × 10−3 401 1.72 × 1013

Notes. Each parameter is evaluated where the expected line flux is equal to the upper limit obtained using the Gaussian or CO spectral profile, respectively.

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