Figure 3 from Extinction and Dust Geometry in M83 H II Regions: An Hubble Space Telescope/WFC3 Study

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Extinction and Dust Geometry in M83 H II Regions: An Hubble Space Telescope/WFC3 Study

Authors: Guilin Liu, Daniela Calzetti, Sungryong Hong, Bradley Whitmore, Rupali Chandar, Robert W. O'Connell, William P. Blair, Seth H. Cohen, Jay A. Frogel, and Hwihyun Kim

Liu et al. 2013 The Astrophysical Journal Letters 778 L41.

Provider: AAS Journals

Caption: Figure 3.

Histograms of the visual extinction A _V in the whole FoV (top) and a series of annuli (bottom), derived from the Hα/Hβ and Hα/Paβ line ratios. The difference in the number of the involved pixels is a result of their respective 5σ cutoffs and FoVs. The histograms as a result of rebinning the maps onto a coarser grid are over-plotted in the top panels.

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