Estimated values for alpha CO from the polynomial in:
Fray, N., and B. Schmitt 2009.  Sublimation of ices of astrophysical interest: A bibliographic review.  Planet. Space Sci. 57, 2053-2080.
T(K)     P(bar)
25.00   6.39e-12
26.00   2.75e-11
27.00   1.06e-10
28.00   3.74e-10
29.00   1.21e-09
30.00   3.61e-09
31.00   1.01e-08
32.00   2.63e-08
33.00   6.49e-08
34.00   1.52e-07
35.00   3.38e-07
36.00   7.21e-07
37.00   1.47e-06
38.00   2.90e-06
39.00   5.51e-06
40.00   1.01e-05
41.00   1.81e-05
42.00   3.14e-05
43.00   5.31e-05
44.00   8.76e-05
45.00   1.41e-04
46.00   2.23e-04
47.00   3.45e-04
48.00   5.23e-04
49.00   7.81e-04
50.00   1.15e-03
51.00   1.66e-03
52.00   2.36e-03
53.00   3.31e-03
54.00   4.59e-03
55.00   6.28e-03
56.00   8.50e-03
57.00   1.14e-02
58.00   1.51e-02
59.00   1.97e-02
60.00   2.56e-02
61.00   3.30e-02
