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Inconspicuous Solar Polar Coronal X-Ray Jets as the Source of Conspicuous Hinode/EUV Imaging Spectrometer Doppler Outflows

  • Authors: Alphonse C. Sterling, Conrad Schwanitz, Louise K. Harra, Nour E. Raouafi, Navdeep K. Panesar, Ronald L. Moore

Alphonse C. Sterling et al 2022 The Astrophysical Journal 940 .

  • Provider: AAS Journals

Caption: Figure 8.

Zoomed-in views of Table 1 event 1 (a)–(f) and event 2 (g)–(l), at AIA and XRT wavelengths. The basic layout of the panels is as described in Figure 3. The black arrow in (e) shows a cool-material feature in an AIA 304 Å image that is consistent with being an erupting minifilament, producing the weak jet-spire-like feature pointed to by the white arrow in the XRT frame in panel (f), which feature coincides in time and location with the outflows observed in EIS for event 1. The blue arrow in (f) points to a brightening similar to a JBP adjacent to the spire-like feature. The black arrow in (g) shows a cool-material feature in an AIA 171 Å image that is consistent with being an erupting minifilament, producing the weak jet-spire-like features pointed to in the XRT frame in panel (i), and which coincides in time and location of the outflows observed in EIS for event 2. The blue arrow in (i) points to a brightening similar to a JBP adjacent to the spire-like feature. The accompanying animation shows the evolution of these panels, covering 2020 March 7 over 12:00–13:57 UT. The animation plays twice: the first time through the black arrows of panels (e) and (g) are overlaid, and trace the movement of the cool-material features in time; the second time through the animation plays without any overlays. The entire movie runs for 8 s. From Table 1 the center of the blueshift contour for events 1 and 2 are, respectively, at about 12:18 and 13:19 UT, and the movie shows features consistent with outflows from the respective locations at those times.

(An animation of this figure is available.)

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

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