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

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Table 1:

Rotational transition frequencies and spectroscopic constants of N¹⁵NH⁺.
J'	J	Observed	Obs.-calc.	Uncert.^a
		(MHz)	(kHz)	(kHz)
1	0	91 205.7380^b	43.5	50
3	2	273 608.9846	-2.9	5
4	3	364 802.5417	3.8	5
5	4	455 987.9927	0.6	5
6	5	547 163.3276	1.4	5
7	6	638 326.5101	-6.0	5
8	7	729 475.5408	3.0	5
rms $_{\rm res}$ ^c = 16.7 kHz
$\sigma^{d} = 0.846$
Constant^e			Correlation matrix
B₀ / MHz		45 603.01594(41)	1.000
D_J / kHz		84.3346(42)	-0.928	1.000

^a Uncertainties estimated as explained in the text.
^b From Gudeman (1982).
^c Rms error of residuals: $\sqrt{\frac{\sum {\rm residual}^2}{{N\;{\rm observations}}}}$ .
^d Fit standard deviation: $\sqrt{\frac{\sum {\rm (residual/uncert.)}^2}{{\rm degrees\;of\;freedom}}}$ .
^e Standard errors are reported in parentheses in units of the last quoted digits.

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