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The lines have been reported in
(1) V. Lattanzi, C. A. Gottlieb, P. Thaddeus,
S. Thorwirth, and M. C. McCarthy,
2010, Astrophys. J. 720, 1717.
14N hyperfine splitting was resolved for
J" = 0. Therefore, a separate calculation with
14N hyperfine splitting is provided up to
J" = 2. The partition function takes into
account the spin multiplicity gI = 3
of the 14N nucleus !
Predictions should be reliable up to about 1 THz,
possibly throughout.
The ab initio ground state dipole moment was
taken from
(2) Y. Pak, R. C. Woods, and K. A. Peterson,
1997, J. Chem. Phys. 106, 5123.
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