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First Apparent Speed Maps of Density Structures in the Solar Corona from 1.2 to 3 R⊙ Derived from Proba-3/ASPIICS White-light Images

  • Authors: Zac Bailey, Shadia R. Habbal, Miloslav Druckmüller, Colby Haggerty

Zac Bailey et al 2026 The Astrophysical Journal Letters 1010 .

  • Provider: AAS Journals

Caption: Figure 5.

Summary results from three different times during Proba-3’s observing cycle on 2025 July 16. Left column: panel (A): a map of the radial apparent speed at the given time overlaid on the corresponding 5 minute time-difference images. Center column: panel (B): median radial apparent speed profiles for the polar (red), equatorial (blue), midlatitude (purple), and full azimuthal data (black) as a function of radial distance. The bands surrounding the median profiles represent the span of the radial apparent speed measurements limited to the ±1σ distribution. Right column: panel (C): distribution of apparent speeds for all the measurements (in counts). The different colors represent the same thing in panels (B) and (C). A animation of this figure is available. The animation runs from 16:41:36 to 18:04:08 UTC. Its real-time duration is 16 s.

(An animation of this figure is available in the online article.)

(An animation of this figure is available.)

The video/animation of this figure is available in the online journal.

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