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Magnetically Structured Oscillatory Power along an Active-region Transect in Near-UV SUNRISE III/SUSI Spectroscopy

  • Authors: Shahin Jafarzadeh, David B. Jess, Marco Stangalini, Peter H. Keys, Samuel D. T. Grant, Timothy J. Duckenfield, Glen Chambers, Sami K. Solanki, H. N. Smitha, Andreas Lagg, Achim Gandorfer, Alex Feller, Francisco A. Iglesias, Tino L. Riethmüller, Bianca Grauf, Johannes Hoelken, Yukio Katsukawa, Pietro Bernasconi, Thomas Berkefeld, Alberto Álvarez-Herrero, Masahito Kubo, David Orozco Suárez, Michael Carpenter, Alexander Bell, Valentín Martínez Pillet, Francisco Javier Bailén, Julian Blanco Rodríguez, Juan Sebastián Castellanos Durán, Edvarda Harnes, Ryohtaroh T. Ishikawa, Yusuke Kawabata, Takuma Matsumoto, Takayoshi Oba, Azaymi L. Siu-Tapia, Hanna Strecker, Dušan Vukadinović

Shahin Jafarzadeh et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 4.

EB formation height proxy across the 327–329 nm window for contextual guidance. Top: atlas spectrum with all identified lines marked; the 30 atomic diagnostics analyzed in this letter are highlighted in blue. Bottom panels: EB height estimates (geometric height where τλ = 1 for each wavelength sample) computed in three representative atmospheres: quiet-Sun FALC, plage FALP (J. M. Fontenla et al. 1993), and a sunspot atmosphere from a radiative-MHD (MURaM) simulation (A. Vögler et al. 2005; M. Rempel 2012). EB heights are shown only as an approximate reference.

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