Consier the model
P_v = e^{-A/T + B}\, {\rm dyn cm}^{-2}
The parameters A and B are summarised in the following table:
Solid state species | A | B | Refractive index ref. |
---|---|---|---|
(NaAl)xMgySiO3[s](a) | 68 908 | 38.1 | Scott & Duley (1996); Jaeger et al. (1998) |
SiO2[s] | 69 444 | 33.1 | Gaskell & Johnson (1976) |
Fe[s] & FeS[s](b) | 48 354 | 29.2 | Henning & Stognienko (1996) |
Al2O3[s] | 77 365 | 39.3 | Koike et al. (1995) |
C[s] | 93 646 | 36.7 | Zubko et al. (1996) |
SiC[s] | 78 462 | 37.8 | Laor & Draine (1993) |
TiO2[s](c) | Same as Al2O3 | Posch et al. (2003) | |
VO[s](d) | Same as Al2O3 | Opacities not computed(d) |
For more details see Min et al 2020.
- NASA Ames' Database of Astrochemical Ices
- NASA ASTER Spectral Library
- The PDS Geosciences Spectral Library
- MRO CRISM Type Spectra Library
- USGS Digital Spectral Library
- Grundy's optical constants of Ices
- PDS Ices database
- Database of Optical Constants for Cosmic Dust
- Grenoble Astrophysics and Planetology Solid Spectroscopy and Thermodynamics database service
- Leiden Ice Database for Astrochemistry
- The soot refractive index compiled in Lavvas & Koskinen 2017.
- The first set of values is based on averaging measured refractive indices from various sources.
- The KK values are evaluated applying a Kramers-Kroning closure relationship.
Compiled in Lavvas & Koskinen 2017, Ap.J., 847:32.
wvl(um) | n_grid | k_grid | n_KK | k_KK |
---|---|---|---|---|
0.03 | 1.008 | 0.179 | 0.749 | 0.093 |
0.033 | 0.985 | 0.167 | 0.919 | 0.095 |
0.037 | 0.969 | 0.158 | 0.955 | 0.121 |
0.041 | 0.964 | 0.155 | 0.97 | 0.16 |
0.046 | 0.976 | 0.162 | 0.976 | 0.205 |
0.05 | 1.012 | 0.181 | 0.982 | 0.245 |
0.056 | 1.06 | 0.2 | 1.011 | 0.257 |
0.062 | 1.095 | 0.192 | 1.039 | 0.249 |
0.069 | 1.101 | 0.173 | 1.038 | 0.232 |
0.077 | 1.083 | 0.18 | 1.014 | 0.239 |
0.085 | 1.071 | 0.22 | 0.998 | 0.279 |
0.094 | 1.095 | 0.28 | 1.017 | 0.339 |
0.105 | 1.158 | 0.317 | 1.07 | 0.376 |
0.116 | 1.224 | 0.311 | 1.133 | 0.374 |
0.129 | 1.264 | 0.271 | 1.161 | 0.344 |
0.143 | 1.265 | 0.236 | 1.148 | 0.313 |
0.159 | 1.237 | 0.227 | 1.107 | 0.309 |
0.176 | 1.214 | 0.25 | 1.052 | 0.341 |
0.196 | 1.2 | 0.318 | 0.993 | 0.387 |
0.217 | 1.177 | 0.441 | 0.957 | 0.479 |
0.241 | 1.26 | 0.611 | 0.982 | 0.625 |
0.267 | 1.417 | 0.78 | 1.112 | 0.661 |
0.297 | 1.538 | 0.844 | 1.329 | 0.637 |
0.329 | 1.621 | 0.788 | 1.489 | 0.589 |
0.365 | 1.671 | 0.725 | 1.594 | 0.539 |
0.405 | 1.698 | 0.657 | 1.664 | 0.498 |
0.45 | 1.719 | 0.599 | 1.713 | 0.473 |
0.499 | 1.742 | 0.534 | 1.74 | 0.45 |
0.554 | 1.752 | 0.492 | 1.733 | 0.418 |
0.615 | 1.742 | 0.479 | 1.73 | 0.408 |
0.682 | 1.738 | 0.475 | 1.733 | 0.411 |
0.757 | 1.736 | 0.479 | 1.735 | 0.425 |
0.84 | 1.739 | 0.488 | 1.739 | 0.445 |
0.933 | 1.745 | 0.504 | 1.743 | 0.47 |
1.035 | 1.755 | 0.528 | 1.748 | 0.503 |
1.148 | 1.772 | 0.561 | 1.759 | 0.537 |
1.275 | 1.791 | 0.597 | 1.774 | 0.573 |
1.414 | 1.813 | 0.637 | 1.792 | 0.612 |
1.57 | 1.836 | 0.681 | 1.814 | 0.656 |
1.742 | 1.862 | 0.731 | 1.84 | 0.704 |
1.933 | 1.891 | 0.786 | 1.871 | 0.758 |
2.145 | 1.931 | 0.842 | 1.909 | 0.821 |
2.381 | 1.98 | 0.901 | 1.948 | 0.882 |
2.642 | 2.034 | 0.967 | 1.992 | 0.942 |
2.932 | 2.094 | 1.039 | 2.044 | 1.004 |
3.254 | 2.161 | 1.109 | 2.107 | 1.065 |
3.611 | 2.234 | 1.184 | 2.172 | 1.124 |
4.008 | 2.312 | 1.261 | 2.255 | 1.174 |
4.447 | 2.378 | 1.323 | 2.336 | 1.229 |
4.936 | 2.45 | 1.393 | 2.418 | 1.294 |
5.477 | 2.538 | 1.461 | 2.505 | 1.362 |
6.078 | 2.635 | 1.535 | 2.598 | 1.419 |
6.746 | 2.726 | 1.599 | 2.697 | 1.475 |
7.486 | 2.818 | 1.666 | 2.79 | 1.527 |
8.308 | 2.907 | 1.738 | 2.888 | 1.579 |
9.219 | 2.992 | 1.811 | 2.988 | 1.639 |
10.231 | 3.079 | 1.886 | 3.085 | 1.712 |
11.354 | 3.177 | 1.969 | 3.189 | 1.782 |
12.601 | 3.271 | 2.054 | 3.289 | 1.854 |
13.984 | 3.367 | 2.152 | 3.392 | 1.938 |
15.518 | 3.468 | 2.26 | 3.503 | 2.024 |
17.222 | 3.568 | 2.373 | 3.629 | 2.12 |
19.112 | 3.672 | 2.479 | 3.752 | 2.229 |
21.21 | 3.788 | 2.595 | 3.87 | 2.348 |
23.538 | 3.908 | 2.727 | 3.99 | 2.477 |
26.121 | 4.04 | 2.874 | 4.115 | 2.62 |
28.988 | 4.188 | 3.036 | 4.245 | 2.774 |
32.17 | 4.351 | 3.217 | 4.383 | 2.938 |
35.701 | 4.533 | 3.417 | 4.531 | 3.111 |
39.619 | 4.734 | 3.639 | 4.691 | 3.291 |
43.968 | 4.958 | 3.885 | 4.867 | 3.479 |
48.794 | 5.206 | 4.159 | 5.063 | 3.671 |
54.149 | 5.481 | 4.462 | 5.284 | 3.867 |
60.093 | 5.787 | 4.799 | 5.538 | 4.063 |