Dust-depletion sequences in damped Lyman-α absorbers - A unified picture from low-metallicity systems to the Galaxy

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Volume 596 (December 2016)

A&A, 596 (2016) A97

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Table 2

Coefficients of the sequences of observed relative abundances shown in Figs. 3 and 4, resulting from a linear fit of [X/Y] = A₁ + B₁ × [Zn/Fe].

[X/Y]	A ₁	B ₁	ν	σ _[X/Y]	r

[O/Zn]	0.38 ± 0.10	−0.11 ± 0.09	9	0.13	−0.42
[S/Zn]	0.25 ± 0.03	−0.23 ± 0.07	27	0.10	−0.31
[Si/Zn]	0.26 ± 0.03	−0.51 ± 0.06	34	0.10	−0.83
[Mg/Zn]	0.30 ± 0.04	−0.54 ± 0.05	20	0.11	−0.92
[Mn/Zn]	−0.39 ± 0.03	−0.42 ± 0.04	31	0.11	−0.87
[Cr/Zn]	0.16 ± 0.03	−1.06 ± 0.04	43	0.10	−0.98

[Zn/P]	−0.00 ± 0.06	−0.17 ± 0.07	27	0.18	−0.37
[O/P]	0.57 ± 0.10	−0.37 ± 0.09	7	0.13	−0.78
[Si/P]	0.27 ± 0.06	−0.81 ± 0.10	19	0.16	−0.87
[Mg/P]	0.25 ± 0.10	−0.66 ± 0.11	15	0.22	−0.85
[Mn/P]	−0.42 ± 0.06	−0.55 ± 0.07	21	0.16	−0.86
[Cr/P]	0.17 ± 0.07	−1.25 ± 0.09	27	0.20	−0.94
[Fe/P]	0.01 ± 0.06	−1.22 ± 0.08	27	0.17	−0.95

[O/S]	0.10 ± 0.09	0.01 ± 0.28	1	0.10	0.08
[P/S]	−0.28 ± 0.07	0.41 ± 0.15	16	0.18	0.57
[Si/S]	0.02 ± 0.04	−0.30 ± 0.09	26	0.13	−0.60
[Mg/S]	0.06 ± 0.05	−0.46 ± 0.11	8	0.11	−0.85
[Mn/S]	−0.60 ± 0.04	−0.34 ± 0.08	17	0.10	−0.69
[Cr/S]	−0.11 ± 0.03	−0.76 ± 0.08	27	0.10	−0.88
[Fe/S]	−0.23 ± 0.03	−0.83 ± 0.07	27	0.10	−0.93

Notes. Degrees of freedom of the fit ν, intrinsic scatter σ_[X/Y] in the relation, and the Pearson correlation coefficients r are reported.

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