Observed NH+ and para-NH transitions.
|Species||Frequencya||T C b||1σ/TCc|
Notes. NH+ was observed in band 4a with the 1013 GHz line in the lower sideband, and the 1019 GHz line in the upper sideband.
Frequencies without the nuclear hyperfine structure (hfs; Hübers et al. 2009) that are used to convert frequencies to Doppler velocities relative to the local standard at rest VLSR. Hfs components of NH+ can be found in Tables D.1–D.2. The p-NH frequency is estimated using spectroscopic data from Tack et al. (1986).
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