FORTRAN PROGRAMS AND DATA FOR MODELING CIA OPACITIES
OF VARIOUS MOLECULAR COMPLEXES FOR APPLICATION
TO PLANETARY AND STELLAR ATMOSPHERES
You may want to get a postscript file describing all available data.
This is an unpublished
document, updated continuously as new programs and/or data become available.
List of available programs and data
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Refer to the original paper describing the procedure:
J. Borysow, L. Trafton, L. Frommhold and G. Birnbaum,
"Modeling
of pressure-induced far-infrared absorption spectra. Molecular hydrogen
pairs"
Astrophysical Journal, vol. 296, pp. 644--654, (1985).
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Refer to the original paper describing the procedure:
C. Zheng and A. Borysow,
"Rototranslational
CIA spectra of H2-H2 at temperatures between 600 and 7000K",
Astrophysical Journal, vol. 441, 960-965, 1995.
-
Refer to the original paper describing the procedure:
A. Borysow,
"Modeling
of collision-induced infrared absorption spectra of H2-H2 pairs in the
fundamental band at temperatures from 20 to 300K",
Icarus, vol.92, 273 (1991).
This is an updated version (ver. 2), see erratum:
A. Borysow, Icarus, 614, vol. 106, (1993).
-
Refer to the original paper describing the procedure:
A. Borysow and L. Frommhold;
"A
new computation of the infrared absorption by H2 pairs in the fundamental
band at temperatures from 600 to 5000K",
Astrophysical Journal Letters, vol. 348, pp. L41-L43, (1990).
-
Refer to the original paper describing the procedure:
C. Zheng and A. Borysow,
"Modeling
of collision-induced infrared absorption spectra of H2-H2 pairs in the
first overtone band at temperatures from 20 to 500 K";
Icarus, 84-90, vol.113, 1995.
-
Refer to the original paper, based on pure theory, describing the procedure:
A. Borysow and Y. Fu,
"Computational model of collision induced infrared absorption spectra
of H2-H2 complexes in the second overtone band
of hydrogen at temperatures from 20 to 500 K",
This
is an unpublished writeup, 1998.
Figures accompanying the paper: Fig.1,Fig.2,Fig.3,Fig.4,
You'll need a
data file (par.beta) to run this program.
-
Refer to the original paper describing the procedure:
Aleksandra Borysow, Jacek Borysow and Y. Fu,
"Semiempirical
Model of Collision Induced Infrared Absorption Spectra of H2-H2 Complexes
in the Second Overtone Band of Hydrogen at Temperatures from 50 to 500
K"
Icarus, vol 145, pp. 601-608 (2000).
This program is superior to the one based on pure theory (see
above).
The program allows for a free choice of para-to-ortho hydrogen ratio.
You'll need to download a
data file (par.beta) to run this program.
-
A. Borysow,
"Collision induced absorption coefficients of H2 pairs at
temperatures from 60K to 1000K",
Astron. & Astrophys., 390, p. 779-782, 2002.
The pdf
version of the paper is available here
-
The units for the absorption are cm^-1/amagat^2.
Please, refer to the following paper:
M. Gustafsson, and L. Frommhold,
"The
H2-H infrared absorption bands at temperatures from 1000K to 2500K" (a pdf file),
A&A, 2003, in press,
you can see the A&A abstract here.
The data are provided by Magnus Gustafsson,
magnus at domain physics.utexas.edu
-
Refer to the original paper describing the procedure:
A. Borysow, U. G. Jorgensen and C. Zheng,
"Model
atmospheres of cool, low metallicity stars: The importance of collision-induced
absorption",
Astronomy and Astrophysics, vol. 324, 185-195, 1997.
Important note: When/if publishing the results obtained thanks to using
these data, you are requested to cite the abovementioned reference.
-
Please, refer to the following paper:
A. Borysow, U. G. Jorgensen and Y. Fu,
"High
temperature (1000-7000K) collision induced absorption of H2 pairs computed
from the first principles, with application to cool and dense stellar atmospheres",
JQSRT, vol. 68, p. 235--255, 2001.
-
A. Borysow,
"Collision induced absorption coefficients of H2 pairs at
temperatures from 60K to 1000K",
Astron. & Astrophys., accepted, April 8, 2002.
The pdf
version of the paper is available here
-
Refer to the original paper describing the procedure:
J. Borysow, L. Frommhold and G. Birnbaum,
"Collison-induced
rototranslational absorption spectra of H2-He pairs at temperatures from
40 to 3000K"
Astrophysical Journal, vol. 326, p.509-515, (1988).
-
Refer to the original paper describing the procedure:
A. Borysow,
"New
model of collision-induced infrared absorption spectra of H2-He pairs in
the 2-2.5 micrometer region at temperatures from 20 to 300K: An update",
Icarus, vol. 96, p. 169-175, (1992).
-
Refer to the original papers describing the procedure:
For the fundamental band:
A. Borysow, L. Frommhold and M. Moraldi,
"Collision-induced
infrared spectra of H2-He pairs involving 0 --> 1 vibrational transitions
and temperatures from 18 to 7000K",
Astrophysical Journal; vol. 336, p. 495-503, (1989).
and for the overtones & hot bands:
A. Borysow and L. Frommhold,
"Collision-induced
infrared spectra of H2-He pairs at temperatures from 18 to 7000K. II. Overtone
and hot bands",
Astrophysical Journal, vol. 341, 549-555, (1989).
To run this program you will need several data files:
-
For high temperature RT bands:
File for (1-1)band
File for (2-2)band
File for (3-3)band
-
For high temperature RV bands falling into fundamental band region:
File for (2-1)band
File for (3-2)band
-
For high temperature RV bands falling into the first overtone band region:
File for (2-0)band
File for (3-1)band
-
For high temperature RV bands falling into the second overtone band region:
File for (3-0)band
-
Refer to the original paper describing the procedure:
A. Borysow, U. G. Jorgensen and C. Zheng,
"Model
atmospheres of cool, low metallicity stars: The importance of collision-induced
absorption",
Astronomy and Astrophysics, vol. 324, 185-195, 1997.
Important note: When/if publishing the results obtained thanks to using
these data, you are requested to cite the abovementioned reference.
-
Please, refer to the following paper:
U. G. Jorgensen, D. Hammer, A. Borysow and J. Falkesgaard,
"The
atmospheres of cool, helium-rich white dwarfs",
Astronomy & Astrophysics, vol. 361, p. 283--292, 2000.
The data from 25-800 cm^-1 due to courtesy of Dominik Hammer.
-
The units for the absorption are cm^-1/amagat^2.
Please, refer to the following paper:
M. Gustafsson, and L. Frommhold,
"Infrared
Absorption Spectra of Collisionally Interacting He and H Atoms",
Astrophys. J. 546, 1168 (2001).
The data are provided by Magnus Gustafsson.
You can contact Magnus at:magnus at domain physics.utexas.edu
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Refer to the original paper describing the procedure:
A. Borysow and L. Frommhold,
"Theoretical
collision induced rototranslational absorption spectra for the outer planets:
H2-CH4 pairs",
Astrophysical Journal, vol. 304, 849 - 865, 1986.
You'll need a data file corrch4
to run this program.
PROGRAMS ESPECIALLY VALUABLE FOR THE ATMOSPHERE OF TITAN
-
Refer to the original paper describing the procedure:
Aleksandra Borysow and Lothar Frommhold,
"Collision
induced rototranslational absorption spectra of N2-N2 pairs for temperatures
from 50 to 300K",
Astrophysical Journal, vol. 311, pages 1043-1057, (1986).
Note erratum:
A. Borysow and L. Frommhold,
Erratum
to: "Collision-induced Rototranslational Absorption Spectra of N2-N2 Pairs
for Temperatures from 50 to 300K", (Ap. J. 311, 1043-1057, 1986);
Astrophys. Journal, vol. 320, 437, 1987.
-
Refer to the original paper describing the procedure:
A. Borysow and C. Tang,
"Far
infrared CIA spectra of N2-CH4 pairs for modeling of Titan's atmosphere",
Icarus, vol. 105, p.175-183, (1993).
-
Refer to the original paper describing the procedure:
A. Borysow and L. Frommhold,
"Theoretical
collision induced rototranslational absorption spectra for modeling Titan's
atmosphere: H2-N2 pairs",
Astrophysical Journal, vol. 303, p. 495-510, (1986).
-
Refer to the original paper describing the procedure:
A. Borysow and L. Frommhold,
"Collision
induced rototranslational absorption spectra of CH4-CH4 pairs at temperatures
from 50 to 300K",
Astrophysical Journal, vol.318, p.940-943, (1987).
Program uses file corrch4, look under H2-CH4 case and download the
file there.
Compile with NO optimization (f77 -O0 chchcl.for).
PROGRAM USEFUL FOR THE ATMOSPHERE OF VENUS
-
Refer to the original paper describing the procedure:
M. Gruszka and A. Borysow,
"Roto-translational
collision-induced absorption of CO2 for the atmosphere of Venus at frequencies
from 0 to 250 cm^-1
and
at temperature from 200K to 800K",
Icarus, vol. 129, pp. 172-177, (1997).
UNPUBLISHED PROGRAMS USEFUL FOR THE PLANETARY ATMOSPHERES
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Refer to the original paper describing the program:
R. E. Samuelson and N. Nath and A. Borysow,
"Gaseous abundances and methane supersaturation in Titan's troposphere",
Planetary & Space Sciences, vol. 45/8, pp. 959-980, 1997.
-
Refer to the original paper describing the program:
R. E. Samuelson and N. Nath and A. Borysow,
"Gaseous abundances and methane supersaturation in Titan's troposphere",
Planetary & Space Sciences, vol. 45/8, pp. 959-980, 1997.
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Last modified by Aleksandra G. Jørgensen January 2002
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