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VI/51 Collisional Excitation Rates of Formaldehyde (Green 1991)
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Collisional Excitation of Formaldehyde in "Hot" Interstellar Molecular Regions
Green S.
<Astrophys. J. Suppl. Ser. 76, 979 (1991)>
=1991ApJS...76..979G
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ADC_Keywords: Excitation rates ; Interstellar medium
Description:
Earlier calculations for rotational excitation of formaldehyde H2CO
collisions with He atoms are extended to include the 81 lowest
rotational levels and kinetic temperatures to 300K.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1o.dat 19 40 Rotational Levels for ortho-H2CO
table1p.dat 19 41 Rotational Levels for para-H2CO
ortho.dat 220 780 Rate constants for ortho-H2CO (Table 3)
para.dat 220 820 Rate constants for para-H2CO (Table 2)
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Byte-by-byte Description of file: table1o.dat, table1p.dat
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Bytes Format Units Label Explanations
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2- 3 I2 --- Level Rotational level number
5- 6 I2 --- J quantum number
8 I1 --- K quantum number
10 A1 --- Parity [LU ]
12- 19 F8.4 cm-1 E Rotational energy
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Byte-by-byte Description of file: ortho.dat, para.dat
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Bytes Format Units Label Explanations
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4- 5 I2 --- i Initial H2CO rotor level
9- 10 I2 --- f Final H2CO rotor level
13- 20 E8.2 cm3/s R10 Rate constant, temperature 10K
23- 30 E8.2 cm3/s R15 Rate constant, temperature 15
33- 40 E8.2 cm3/s R20 Rate constant, temperature 20
43- 50 E8.2 cm3/s R30 Rate constant, temperature 30K
53- 60 E8.2 cm3/s R40 Rate constant, temperature 40K
63- 70 E8.2 cm3/s R50 Rate constant, temperature 50K
73- 80 E8.2 cm3/s R60 Rate constant, temperature 60K
83- 90 E8.2 cm3/s R70 Rate constant, temperature 70K
93-100 E8.2 cm3/s R80 Rate constant, temperature 80K
103-110 E8.2 cm3/s R90 Rate constant, temperature 90K
113-120 E8.2 cm3/s R100 Rate constant, temperature 100K
123-130 E8.2 cm3/s R120 Rate constant, temperature 120K
133-140 E8.2 cm3/s R140 Rate constant, temperature 140K
143-150 E8.2 cm3/s R160 Rate constant, temperature 160K
153-160 E8.2 cm3/s R180 Rate constant, temperature 180K
163-170 E8.2 cm3/s R200 Rate constant, temperature 200K
173-180 E8.2 cm3/s R220 Rate constant, temperature 220K
183-190 E8.2 cm3/s R240 Rate constant, temperature 240K
193-200 E8.2 cm3/s R260 Rate constant, temperature 260K
203-210 E8.2 cm3/s R280 Rate constant, temperature 280K
213-220 E8.2 cm3/s R300 Rate constant, temperature 300K
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(End) Francois Ochsenbein [CDS] 03-Feb-1994