Figure 1 (IMAGE)

Association of Universities for Research in Astronomy (AURA)

Figure 1

Caption

Reconstruction of polarity‑resolved magnetic fields in a helioseismically identified far‑side active region: (a) the green shading shows the helioseismic phase‑shift signal on the far side; (b) the extracted active‑region patch from the phase‑shift map; (c) phase‑shift amplitudes converted to unsigned magnetic‑field values; (d) polarity assignment applied to the unsigned field; and (e–f) the same region as observed by Solar Orbiter’s Polarimetric and Helioseismic Imager (SO/PHI). Blue and red colors in panels (d-f) represent negative and positive field values.

Credit

Figure a-d: NSF/NSO/GONG; e and f: Data courtesy of the Solar Orbiter/PHI Team (ESA & NASA)

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