A variationally computed line list for hot NH3

Details A variationally computed line list for hot NH3 A variationally computed line list for hot NH3

2010-11-06

arxiv.org/abs/1011.1569v1

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

the paper has been submitted to MNRAS

Scientific paper

We present 'BYTe', a comprehensive 'hot' line list for the ro-vibrational transitions of ammonia, 14NH3, in its ground electronic state. This line list has been computed variationally using the program suite TROVE, a new spectroscopically-determined potential energy surface and an ab initio dipole moment surface. BYTe, is designed to be used at all temperatures up to 1500K. It comprises 1137650964 transitions in the frequency range from 0 to 12000 cm-1, constructed from 1366519 energy levels below 18000 cm-1 having J values below 36. Comparisons with laboratory data confirm the accuracy of the line list which is suitable for modelling a variety of astrophysical problems including the atmospheres of extrasolar planets and brown dwarfs.

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