Fig. 8 from The Deuterium to Hydrogen Abundance Ratio toward a Fourth QSO: HS 0105+1619

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The Deuterium to Hydrogen Abundance Ratio toward a Fourth QSO: HS 0105+1619

Authors: John M. O'Meara, David Tytler, David Kirkman, Nao Suzuki, Jason X. Prochaska, Dan Lubin, and Arthur M. Wolfe

O'Meara et al. 2001 The Astrophysical Journal 552 718.

Provider: AAS Journals

Caption: Fig. 8.

Values of the deuterium column density, ﹩\mathrm{log}\,N_{\mathrm{D}\,\,{}^{{\rm{\small I}}}}﹩ (cm⁻²), and the absorption width parameter, b, for each of the five deuterium lines fitted separately. The thick cross represents the values when all lines are fitted simultaneously using the best estimate for the continuum level.

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