Low-density laboratory spectra near the He ii λ304 line

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Table A.4

Neon lines observed in EBIT within the wavelength band λ280 to λ320.

Spectrum	Transition type	Line intensity	λ (Å)	Unc. (mÅ)	λ (Å)	λ (Å)
			This work		CHIANTI^a	NIST^b

Known Ne lines
IV	2p−5d	0.65	280.8	100	...	140.329−140.369 (II)
III	2p−3s	0.8	282.5	100	282.4910	282.495
III	2p−3s	0.8	283.0	100	283.1440	283.1392
III	2p−3s	blended	...	...	283.1670	283.1745
III	2p−3s	blended	...	...	283.6440	...
III	2p−3s	blended	...	...	283.6600	283.6651
III	2p−3s	1.2	284.0	100	283.8680	...
V	2p−3d	1.0	285.0	100	142.4350−142.6610 (II)	142.441−142.661 (II)
V	2p−3d	1.0	285.6	100	142.7240 (II)	142.724 (II)
V	2p−3d	10	286.6	100	143.2190−143.4480 (II)	143.219−143.408 (II)
IV	2p−5s	0.85	288.1	100	...	144.024−144.278 (II)
VIII	3d−4f	3.0	292.6	100	...	292.38−292.47
V	2p−3d	2.8	294.0	100	...	146.888 (II)
V	2p−3d	6.5	294.5	100	147.1320 (II)	147.138 (II)
VI	...	1.6	295.2	100	147.3320−147.5120 (II)	147.33−147.51 (II)
V	2p−3d	blended	...	...	148.7830 (II)	148.84 (II)
IV	2p−4d	0.62	297.4	150	...	148.9404 (II)
VIII	3p−4s	0.54	299.1	100	...	298.7; 299.1
III	2p−3s	1.0	301.2	100	301.1240	...
V	2p−3d	1.3	302.8	100	151.3760,151.4240 (II)	151.237, 151.424 (II)
V	2p−3d	blended	...	...	151.5820 (II)	...
IV	2p−4d	4.0	303.7	100	...	151.4946−151.8343 (II)
IV	2p−4d	0.57	304.6	150	...	152.2385, 152.2391 (II)
IV	3p−5s	0.8	305.6	100	...	152.663 (II)
III	2p−3s	1.3	308.5	100	308.5630	308.5720
V	2p−3d	2.5	309.0	100	...	154.520 (II)
V	2p−3d	...	...	...	156.618 (II)	...
III	2p−3s	0.56	312.9	100	313.0430	313.0574
III	2p−3s	0.55	313.6	100	313.6740	313.692
III	2p−3s	...	...	...	313.9480	313.964
IV	2p−4s	0.85	315.3	100	...	157.6386−157.8713 (II)
IV	2s−3p	1.1	319.7	100	...	159.8676−159.8729 (II)

Unidentified lines
...	...	0.35	281.2	100	...	...
...	...	0.9	289.6	100	...	...
...	...	0.9	289.8	100	...	...
...	...	3.0	291.8	100	...	...
...	...	5.0	292.3	100	...	...
...	...	1.5	296.8	100	...	...
...	...	0.8	297.8	100	...	...
...	...	0.97	298.1	100	...	...
...	...	0.55	300.1	150	...	...
...	...	1.1	300.9	100	...	...
...	...	0.85	302.3	100	...	...
...	...	1.8	304.1	100	...	...
...	...	0.27	307.1	150	...	...
...	...	0.3	307.8	150	...	...
...	...	0.55	311.7	150	...	...
...	...	0.65	312.3	100	...	...
...	...	0.55	315.8	150	...	...
...	...	0.76	316.7	100	...	...
...	...	0.5	317.4	150	...	...
...	...	0.68	318.1	100	...	...
...	...	0.58	318.8	150	...	...

Notes. The unknown Ne lines may technically originate in spectra up to Ne ix.

Reference.

^(a)

From the CHIANTI database v.8 (Del Zanna et al. 2015);

^(b)

from the on-line database at NIST (Kramida et al. 2012).

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