The following table illustrates the format used for the spectroscopic parameters of the HITRAN database between 1986 and 2001.

Format for HITRAN Parameters, 1986 though 2001

Parameter

Molecule number

Isotopologue number

Transition wavenumber (cm^-1)

Line Intensity

|R|²

Air- broadened width

Self- broadened width

lower-state Energy

Temperature dependence (of air width)

Pressure shift

upper vibrational quanta

lower vibrational quanta

upper local quanta

lower local quanta

Error codes

Reference codes

Field Length

2

1

12

10

10

5

5

10

4

8

3

3

9

9

3

6

The following table illustrates the format used for the spectroscopic parameters starting with the HITRAN'2004 Edition. This format is 160 characters per record (line transition). Note the additional parameters compared to earlier editions.