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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 3.

Comparisons of the observed Lyα and Mg II profiles in velocity space, with data taken from HST/COS and SDSS, respectively. The y-axes are in units of 10−16 erg s−1 cm−2 Å−1. The data and corresponding errors are shown in black and gray. Objects are ordered by measured ﹩{f}_{\mathrm{esc}}^{\mathrm{LyC}}﹩ in Section 3.1.1, while the last two objects have ﹩{f}_{\mathrm{esc}}^{\mathrm{LyC}}﹩ as upper limits. The blue lines represent the v = 0 km s−1 for Lyα or Mg II λ2796, while the red lines represent v = 0 km s−1 for Mg II λ2803. The green dashed lines represent the positions of flux = 0 for Lyα panels.

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