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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 3.

Zoomed-in views of Table 1 event 3, at AIA and XRT wavelengths. Panels (a)–(f) show the region at about the same time, in (a) AIA 171 Å, (b) AIA 193 Å, (c) XRT “thin Al,” (d) AIA 211, (e) AIA 304, and (f) XRT thin Al images. The field of view (FOV) is the same for all of the AIA images. For XRT the FOV is larger than that of AIA; both XRT images are at the same time, with panel (f) zoomed in more than (c), and (f) also uses an intensity scaling set to enhance fainter aspects of the feature. Panels (g)–(l) mimic the ordering and parameters of the images of (a)–(f), but with all of those panels at nearly the same time (within a few seconds of each other), at a later time (about 1 minute later) than the first six panels. Green arrows show a cool-material erupting minifilament, at two different times in (a) and (g). Blue arrows in (c) and (i) show brightening similar to a coronal-jet jet bright point (JBP). White arrows in (h) and (i) point to a spire that moves away from the JBP location, indicating that the event is likely a faint coronal jet. All of these panels (a)–(l) are from near the time of the center of the EIS blueshifted contour in Figure 1, which was at about 14:09 UT (Table 1). The accompanying animation shows the evolution of these panels, covering 2020 March 7 over 13:49–14:35 UT. The entire movie runs for 3 s.

(An animation of this figure is available.)

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

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