Accurate rest frequencies for the submillimetre-wave lines of the -containing isotopologues of and

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Table 4:

Rotational transition frequencies and spectroscopic constants of ¹⁵NND⁺.
J'	J	Observed	Obs.-calc.	Uncert.^a
		(MHz)	(kHz)	(kHz)
4	3	299 029.7997	4.9	5.
5	4	373 776.8770	2.4	5.
6	5	448 517.0446	2.7	5.
7	6	523 248.9086	-5.5	5.
8	7	597 971.1055	-3.2	5.
9	8	672 682.2388	-4.4	5.
10	9	747 380.9405	5.5	5.
rms $_{\rm res}$ ^b = 4.2 kHz
$\sigma^{c} = 1.006$
Constant^d			Correlation matrix
B₀ / MHz		37 380.56770(36)	1.000
D_J / kHz		57.6047(25)	-0.932	1.000

^a Uncertainties estimated as explained in the text.
^b Rms error of residuals: $\sqrt{\frac{\sum {\rm residual}^2}{{N\;{\rm observations}}}}$ .
^c Fit standard deviation: $\sqrt{\frac{\sum {\rm (residual/uncert.)}^2}{{\rm degrees\;of\;freedom}}}$ .
^d Standard errors are reported in parentheses in units of the last quoted digits.

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