Investigating chemical variations between interstellar gas clouds in the solar neighbourhood

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Table 2

Rest wavelengths, oscillator strengths and their reference for the transitions considered in this work.

Ion	Transition wavelength (Å)	Oscillator strength	Reference
Ni II	1317.217	0.0596	[1]
Cr II	2056.2568	0.11	[2]
Cr II	2062.2343	0.078	[3]
Cr II	2066.161	0.0515	[3]
Fe II	2249.8754	0.00182	[3]
Fe II	2260.7791	0.00244	[3]
Mn II	1197.1843	0.205	[3]
Mn II	1199.3912	0.16	[3]
Mn II	1201.1177	0.115	[3]
GeII	1237.0591	1.230	[3]
SiII	1260.4221	1.45	[3]
SiII	1304.3702	0.106	[3]
Mg II	1239.9253	0.000633	[3]
Mg II	1240.3947	0.000355	[3]
S II	1250.578	0.0052	[3]
S II	1253.805	0.01	[3]
S II	1259.518	0.016	[3]
Zn II	2026.137	0.63	[2]
Zn II	2062.6604	0.31	[2]
P II	1301.8743	0.0196	[4]
O I	1302.168	0.052	[3]
O I	1355.5977	0.00000116	[3]
Ca II	3934.777	0.65	[3]
Ca II	3969.591	0.32	[3]
Ti II	3230.1219	0.0773	[3]
Ti II	3242.9181	0.233	[3]
Ti II	3384.73	0.353	[3]

Notes. [1] Boissé & Bergeron (2019), [2] Cashman et al. (2017), [3] Morton (2003), [4] Brown et al. (2018).

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