14NH, 14ND, and 15NH cometary fluorescence models and D/H measurement in NH

Open Access

Table 3

Most intense lines of NH.

Isotope	Band	Transition	Wavelength (Å)
¹⁴NH	(0–0)	^RQ₂₁(1)	3353.9207
¹⁴NH	(0–0)	R₁(1)	3358.0511
¹⁴NH	(0–0)	^PQ₂₃(1)	3364.9351
¹⁴NH	(0–0)	^QR₂₃(0)	3357.5527
¹⁴NH	(0–0)	^RP₃₁(1)	3351.7096
¹⁴NH	(0–1)	^RQ₂₁(1)	3746.8204
¹⁴NH	(0–1)	R₁(1)	3751.97592
¹⁴NH	(0–1)	^PQ₂₃(1)	3760.0218
¹⁴NH	(0–1)	^QR₂₃(0)	3751.1711
¹⁴NH	(0–1)	P₁(3)	3765.2373
¹⁵NH	(0–0)	^RQ₂₁(1)	3353.9126
¹⁵NH	(0–0)	R₁(1)	3358.0430
¹⁵NH	(0–0)	^PQ₂₃(1)	3364.8780
¹⁵NH	(0–0)	^QR₂₃(0)	3357.5281
¹⁵NH	(0–0)	^RP₃₁(1)	3351.6995
¹⁴ND	(0–0)	^QR₂₃(0)	3354.9674
¹⁴ND	(0–0)	R₁(1)	3357.1871
¹⁴ND	(0–0)	^QP₃₂(1)	3352.2955
¹⁴ND	(0–0)	R₁(2)	3354.5356
¹⁴ND	(0–0)	^QP₂₁(2)	3355.0811

Notes. The five most intense lines of the ¹⁴NH (0–0) band, the ¹⁴NH (0–1) band, the ¹⁵NH (0–0) band, and the ¹⁴ND (0–0) band, sorted in order of decreasing intensities. These lines are the output of our fluorescence models of the A³Π_i − X³Σ⁻ electronic system for a comet at R_h=1 au and ${\dot{R}}_{h}$ $\[\dot{R}_{h}\]$ = 0 km s⁻¹.

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