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Tracing Lyα and LyC Escape in Galaxies with Mg II Emission

  • Authors: Xinfeng Xu, Alaina Henry, Timothy Heckman, John Chisholm, Gábor Worseck, Max Gronke, Anne Jaskot, Stephan R. McCandliss, Sophia R. Flury, Mauro Giavalisco, Zhiyuan Ji, Ricardo O. Amorín, Danielle A. Berg, Sanchayeeta Borthakur, Nicolas Bouche, Cody Carr, Dawn K. Erb, Harry Ferguson, Thibault Garel, Matthew Hayes, Kirill Makan, Rui Marques-Chaves, Michael Rutkowski, Göran Östlin, Marc Rafelski, Alberto Saldana-Lopez, Claudia Scarlata, Daniel Schaerer, Maxime Trebitsch, Christy Tremonti, Anne Verhamme, Bingjie Wang

Xinfeng Xu et al 2022 The Astrophysical Journal 933 .

  • Provider: AAS Journals

Caption: Figure 13.

Comparisons of measured ﹩{f}_{\mathrm{esc}}^{\mathrm{LyC}}﹩ with the predicted one from Mg II λ2796 emission lines and dust extinction (Section 4.5). Galaxies from our Mg II selected sample are shown with red diamonds, while galaxies from comparison samples with high-S/N Mg II detections (Izotov et al. 2016a, 2018a, 2018b; Guseva et al. 2020; Izotov et al. 2021; LzLCS) are shown with gray diamonds. We show where y = x as the dashed orange lines and where y = 1/3x and 3x as the dotted orange lines. There is a positive 1:1 correlation, and the RMSE is ∼0.05. See discussion in Section 4.5.

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