Figure 4 from Discovery of a Red Supergiant Donor Star in SN2010da/NGC 300 ULX-1

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Discovery of a Red Supergiant Donor Star in SN2010da/NGC 300 ULX-1

Authors: M. Heida, R. M. Lau, B. Davies, M. Brightman, F. Fürst, B. W. Grefenstette, J. A. Kennea, F. Tramper, D. J. Walton, and F. A. Harrison

2019 The Astrophysical Journal Letters 883 L34.

Provider: AAS Journals

Caption: Figure 4.

Hα line normalized to the continuum flux and shifted to a continuum of zero (black line with errorbars). The zero-point of the line velocity is at 656.276 nm. The three model components are plotted in red (narrow Gaussian, dotted line; redshifted, broader Gaussian, dashed line; broad Lorentzian, solid line) and the total model is plotted in blue.

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