He II Emission from Wolf–Rayet Stars as a Tool for Measuring Dust Reddening
Authors: Claus Leitherer, Janice C. Lee, and Andreas Faisst
2019 The Astronomical Journal158192.
Provider: AAS Journals
Caption: Figure 2.
Comparison of the logarithmic ratio of the equivalent width of He II 1640 measured in this work over the values published by Conti & Morris (1990; ordinate) vs. the values in this work (abscissa). The symbols are as in Figure 1.