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Table 1

Observed NH+ and para-NH transitions.

Species Frequencya T C b 1σ/TCc
G10.6 SgrB2 G10.6 SgrB2
(GHz) (K) (K) (K) (K)

NH+ 1012.540d 3.3 7.3 0.0019 0.0015
1019.211e 3.3 7.4 0.0022 0.0040
p-NH 933.855f 2.6 7.5 0.0035 0.0013

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.

(a)

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.1D.2. The p-NH frequency is estimated using spectroscopic data from Tack et al. (1986).

(b)

The single sideband continuum intensity.

(c)

The rms noise (for a channel width of 1 km s-1) divided by TC.

(d)

J = 1.5−0.5+ ( and + denotes the parity).

(e)

J = 1.5+−0.5.

(f)

JKa,Kc = 11,1−00,0.

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