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Limits to Ionization-parameter Mapping as a Diagnostic of HII Region Optical Depth

  • Authors: Amit N. Sawant, Eric W. Pellegrini, M. S. Oey, Jesús López-Hernández, Genoveva Micheva

Amit N. Sawant et al 2021 The Astrophysical Journal 923 .

  • Provider: AAS Journals

Caption: Figure 1.

Histograms for M33 [O III] continuum subtraction. Panel (a) shows undersubtracted pixel histogram with a high-value tail. Panel (b) shows the optimally subtracted pixel histogram, where the number of pixels in the three modal bins is maximized. Panel (c) shows the emergence of the low-value tail in an oversubtracted pixel histogram.

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