The representation of log σ vs. T leads to linear fits according to

log₁₀ σ(T) = B × T + log₁₀ σ(0 K).

The intercepts σ(0 K) and slopes B at selected wavelengths are as follows (one standard deviations in brackets):

-----------------------------------------------------
λ  10³ B   10²⁰ σ(0 K)
(nm) (K^-1)    (cm² molecule^-1)
-----------------------------------------------------
290 1.9 (0.2)   0.151 (0.008)
295 2.0 (0.2)   0.085 (0.004)
300 2.5 (0.2)   0.035 (0.002)
305 3.43 (0.06)  0.0115 (0.0002)
310 7.2 (0.3)   5.3 (0.4)×10^-4
315 9.2 (2)    -
320 20(5)    -