A FEROS spectroscopic study of the extreme O supergiant He 3–759

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Table 3:

Equivalent widths ( $W_{\lambda }$ ) of selected diffuse interstellar bands (DIBs) and the resulting estimates of E_B-V.
Line (Å)	$W_{\lambda }$ (mÅ)	E_B-V	Calibration
4428	2500	>1.0	Snow et al. (2002)
5780	$\phantom{1}$ 705	1.38	Herbig (1993)
5797	$\phantom{1}$ 225	1.51	Herbig (1993)
8620	$\phantom{1}$ 550	1.50	Munari et al. (2008)

Uncertainties on the widths are $\pm$ 100 mÅ for $\lambda$ 4428,
and $\pm$ 10% for the other lines.

Source LaTeX | All tables | In the text

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