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This is an unpublished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

Refer to the original paper describing the procedure:
J. Borysow, L. Trafton, L. Frommhold and G. Birnbaum,
"Modeling
of pressureinduced farinfrared absorption spectra. Molecular hydrogen
pairs"
Astrophysical Journal, vol. 296, pp. 644654, (1985).

Refer to the original paper describing the procedure:
C. Zheng and A. Borysow,
"Rototranslational
CIA spectra of H2H2 at temperatures between 600 and 7000K",
Astrophysical Journal, vol. 441, 960965, 1995.

Refer to the original paper describing the procedure:
A. Borysow,
"Modeling
of collisioninduced infrared absorption spectra of H2H2 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. L41L43, (1990).

Refer to the original paper describing the procedure:
C. Zheng and A. Borysow,
"Modeling
of collisioninduced infrared absorption spectra of H2H2 pairs in the
first overtone band at temperatures from 20 to 500 K";
Icarus, 8490, 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 H2H2 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is an unpublished writeup, 1998.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 H2H2 Complexes
in the Second Overtone Band of Hydrogen at Temperatures from 50 to 500
K"
Icarus, vol 145, pp. 601608 (2000).
This program is superior to the one based on pure theory (see
above).
The program allows for a free choice of paratoortho 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. 779782, 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
H2H 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 collisioninduced
absorption",
Astronomy and Astrophysics, vol. 324, 185195, 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 (10007000K) collision induced absorption of H2 pairs computed
from the first principles, with application to cool and dense stellar atmospheres",
JQSRT, vol. 68, p. 235255, 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,
"Collisoninduced
rototranslational absorption spectra of H2He pairs at temperatures from
40 to 3000K"
Astrophysical Journal, vol. 326, p.509515, (1988).

Refer to the original paper describing the procedure:
A. Borysow,
"New
model of collisioninduced infrared absorption spectra of H2He pairs in
the 22.5 micrometer region at temperatures from 20 to 300K: An update",
Icarus, vol. 96, p. 169175, (1992).

Refer to the original papers describing the procedure:
For the fundamental band:
A. Borysow, L. Frommhold and M. Moraldi,
"Collisioninduced
infrared spectra of H2He pairs involving 0 > 1 vibrational transitions
and temperatures from 18 to 7000K",
Astrophysical Journal; vol. 336, p. 495503, (1989).
and for the overtones & hot bands:
A. Borysow and L. Frommhold,
"Collisioninduced
infrared spectra of H2He pairs at temperatures from 18 to 7000K. II. Overtone
and hot bands",
Astrophysical Journal, vol. 341, 549555, (1989).
To run this program you will need several data files:

For high temperature RT bands:
File for (11)band
File for (22)band
File for (33)band

For high temperature RV bands falling into fundamental band region:
File for (21)band
File for (32)band

For high temperature RV bands falling into the first overtone band region:
File for (20)band
File for (31)band

For high temperature RV bands falling into the second overtone band region:
File for (30)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 collisioninduced
absorption",
Astronomy and Astrophysics, vol. 324, 185195, 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, heliumrich white dwarfs",
Astronomy & Astrophysics, vol. 361, p. 283292, 2000.
The data from 25800 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

Refer to the original paper describing the procedure:
A. Borysow and L. Frommhold,
"Theoretical
collision induced rototranslational absorption spectra for the outer planets:
H2CH4 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 N2N2 pairs for temperatures
from 50 to 300K",
Astrophysical Journal, vol. 311, pages 10431057, (1986).
Note erratum:
A. Borysow and L. Frommhold,
Erratum
to: "Collisioninduced Rototranslational Absorption Spectra of N2N2 Pairs
for Temperatures from 50 to 300K", (Ap. J. 311, 10431057, 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 N2CH4 pairs for modeling of Titan's atmosphere",
Icarus, vol. 105, p.175183, (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: H2N2 pairs",
Astrophysical Journal, vol. 303, p. 495510, (1986).

Refer to the original paper describing the procedure:
A. Borysow and L. Frommhold,
"Collision
induced rototranslational absorption spectra of CH4CH4 pairs at temperatures
from 50 to 300K",
Astrophysical Journal, vol.318, p.940943, (1987).
Program uses file corrch4, look under H2CH4 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,
"Rototranslational
collisioninduced 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. 172177, (1997).
UNPUBLISHED PROGRAMS USEFUL FOR THE PLANETARY ATMOSPHERES

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. 959980, 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. 959980, 1997.
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