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Table 6

Magnesium absorption lines in the low-hardness spectrum.

Individual lines Line series
Ion Line Referencea Bayesian v Equivalent v Equivalent
wavelength Blocks αsig width width
[Å] [ km s-1] [ 10-3 Å] [ km s-1] [ 10-3 Å]

He-like Mg xi r 9.170 7 −480 ± 60 −6.9 ± 1.5 −360 ± 60 −12.0 ± 1.7
Li-like Mg x Kα 9.282 4.6 −3.0 ± 1.5 = v Mg xir −0.7 ± 2.0
Be-lie Mg ix Kα 9.378 nob −4.1 ± 1.6 = v Mg xir −3.6 ± 1.6
B-like Mg viii Kα 9.619 nob ... ... = v Mg xir −1.2 ± 1.8
C-like Mg vii Kα 9.506 nob ... ... = v Mg xir −2.6 ± 1.9
N-like Mg vi Kα 9.718 2 −330 ± 90 −6.0 ± 1.8 = v Mg xir −5.9 ± 1.7
O-like Mg v Kα 9.816 2 −640 ± 90 −5.3 ± 1.8 = v Mg xir
F-like Mg iv Kα 9.895 nob ... ... = v Mg xir −0.9 ± 1.8

Notes.

(a)

All from Behar & Netzer (2002); values for B-like Mg viii Kα and C-like Mg vii Kα averages over the two strong transitions listed.

(b)

We run line searches for α ≥ 1.5.

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