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Table C.1

Hyperfine structure components of NH N = 1 ← 0, J = 2 ← 1.

Frequency Aul Δva Rel. Intensity
(MHz) (s-1) (km s-1) b

974 315.58 1.78e-6 50.08 0.0001
974 342.57 6.02e-6 41.78 0.0007
974 354.64 4.54e-6 38.07 0.0003
974 410.56 8.91e-5 20.87 0.006
974 411.39 5.13e-4 20.61 0.018
974 436.35 2.28e-3 12.93 0.164
974 437.54 1.27e-3 12.56 0.137
974 444.04 1.81e-3 10.56 0.130
974 450.44 4.80e-3 8.60 0.173
974 462.22 5.04e-4 4.97 0.363
974 471.00 5.67e-3 2.27 0.612
974 475.41 3.38e-3 0.91 0.243
974 478.38 6.94e-3 0 1.0
974 479.34 6.01e-3 –0.30 0.649
974 531.32 2.59e-4 –16.29 0.019
974 539.82 6.46e-4 –18.90 0.023
974 558.07 9.82e-4 –24.52 0.035
974 564.78 7.67e-4 –26.58 0.055
974 574.43 8.15e-4 –29.55 0.088
974 583.03 2.59e-4 –32.20 0.019
974 607.78 1.21e-4 –39.81 0.013

Notes. 

(a)

The velocity offset from the strongest hfs component at 974 478.38 MHz.

(b)

The sum of the relative intensities of the 21 hfs components is 3.75.

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