Neon, sulphur, and argon abundances of planetary nebulae in the sub-solar metallicity Galactic anti-centre

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Table A.3

Selected line intensity values from the Galactic anti-centre PNe, in units of 10⁻¹⁴ erg cm⁻² s⁻¹.

PN	H I		[Ne II]	[Ne III]		[Ne V]		[S III]		[S IV]	[Ar II]	[Ar III]		[Ar V]		[O IV]

	7.5 μm	12.4 μm	12.8 μm	15.6 μm	36.0 μm	14.3 μm	24.3 μm	18.7 μm	33.5 μm	10.5 μm	7.0 μm	9.0 μm	21.8 μm	7.9 μm	13.1 μm	25.9 μm
J320	21.3	7.82	6.60	761	50.9	...	...	82.1	34.4	1020	<1.72	28.0	<2.39	...	...	...
K3-65	2.81^‡	...	15.0	186	<24.5	...	...	49.8	38.4	53.7	8.31	17.9	<1.81	...	...	...
K3-66	16.4^†	6.40	94.7	185	...	<4.75	<3.74	51.9	22.2	30.2	18.1^†	32.7	<2.82	...	...	3.20
K3-67	32.7	11.7	28.3	778	54.2	<5.12	<3.73	108	42.1	519^†	8.89	66.2	5.00^†	...	...	7.16
K3-68	...	...	<2.95	37.4	...	23.0^†	23.6	10.6	11.1	98.8^†	<5.60	<4.80	<1.02	<30.9^‡	4.30	1190
K3-69	4.88^†	...	5.72	176	...	33.4	8.52	8.74^†	<10.4	20.7^†	<8.57	17.6^†	<3.04	...	...	35.3
K3-70	3.56^†	...	5.44^†	92.7	...	23.4	15.4	28.8	16.9^†	39.5	2.96	11.6^†	<1.48	...	...	61.0
K3-71	1.33^‡	...	<2.12	18.6	...	32.6	43.4	3.87^†	8.42	57.2	<1.13	1.69^‡	<1.34	3.16^‡	2.64	913
K3-90	...	1.97^†	<2.55	32.6	...	131	152	6.03^†	7.07^‡	170	<1.64	4.86^†	<1.41	9.13	15.7^†	2070
K4-48	...	3.94^†	20.0	497	23.0	22.4	8.02	38.2	9.22^†	56.4	9.91	45.8^†	2.52^†	...	...	143
M1-1	...	...	<2.59	30.5	...	670	753	14.3	10.6	210	<2.03	4.61	<1.32	6.86^†	27.6	1620
M1-6	104	36.2^†	1320	57.5	...	...	...	222	42.5^†	<9.38	298	151	<10.5	...	...	...
M1-7	20.5	8.40^†	61.4	874	52.7	2.89^†	2.63	151	87.3	249	24.5^†	77.7	6.10	...	...	371
M1-8	6.31^†	...	28.9	323	26.4^†	63.9	55.9	47.4	56.7	98.8	*	27.9	3.92	<6.00	6.51	834
M1-9	38.5^†	8.94	111	371	...	...	...	129	40.9	59.4	29.7^†	49.7^†	<3.73	...	...	...
M1-14	73.1	25.9	727	446	37.7	...	...	375	112	41.3	39.2	170	10.9	...	...	...
M1-16	20.3	8.68	61.7	1070	76.4	256	147	68.7	32.1	91.3	43.2^†	114^†	8.09	<14.6	12.1^†	854
M1-17	42.9	9.84^†	47.2	849	67.3^†	20.4	11.8	203	54.9	346	28.3	87.1^†	5.89^†	...	...	336
M2-2	63.2	20.9^†	7.86	1520	99.6	<3.78	<2.85	112	74.7	1250	2.22^‡	77.1	6.27	...	...	216
M3-2	...	...	2.59	10.4	...	5.53	10.7^†	3.59^‡	6.33^†	5.46^†	*	1.93^†	<1.05	...	...	27.8
M4-18	...	...	334	<142	...	...	...	14.8^‡	<13.5	...	110	...	...	...	...	...
SaSt2-3	5.56^†	...	32.4	<1.78	...	...	...	7.12	7.11^†	...	32.4^†	...	...	...	...	...
Y-C 2-5	2.62^†	...	<1.36	86.9	25.9^†	...	...	3.67	<4.77	87.5	*	3.16	<0.88	...	...	1190

Notes. Uncertainties are <10%, except: ^† uncertainties 10–20%, ^‡ uncertainties 20–35%. * No line is observed, and the presence of the H₂ 0–0 S(5) feature at 6.9 μm prevents an accurate upper limit being taken.

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