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Table 4.
Characteristics of the evolution of the pattern and Mg II spectra of the mini-flare at the jet base (reconnection site in X) between the two AFSs observed in AIA 304 Å and in the IRIS slit positions (1–4) (Figs. 2 and 3).
| Time (UT) | AIA 304 Å | IRIS Mg II spectra | ||||
|---|---|---|---|---|---|---|
| (slit 1) | (slit 2-3) | (slit 4) | ||||
| 01:51:15 | Arch filament systems (AFS) | Redshift at pixel 80 | High peaks | Blueshift at pixel 80 | ||
| Over EMF1 and EMF2 | Strong central absorption | Central absorption | Central absorption | |||
| 01:54:33 | Bright threads in X | Blue-/redshift at pixel 80 | Broad lines | |||
| Between the 2 AFS | Central absorption | |||||
| 01:56:26 | AFS with bright ends | Long wings red and blue | Large central absorption | Thin blue | ||
| 01:59:34 | Bright threads in X | 10 y pixels with broad | ||||
| Mixed with dark kernels | Central absorption | |||||
| 02:01:10 | Preflare in X | Bright blue along 20 pixels | Broad central absorption | Thin | ||
| 02:02:21 | Bright NS arch | Extended blue wing profile | Blue and broad | Thin | ||
| 02:02:59 | Onset of surge | Strong central absorption | Shift towards blue | |||
| 02:03:32 | Kernels | Very bright peaks symmetrical | Blue | Blue | ||
| 02:04:28 | Bright triangle jet base | Bright tilt blue to red | Large bright blueshift | |||
| 02:05:39 | Mini-flare | Very bright blue tilt | Bright tilt | Bright tilt | ||
| Double jet and surge | Extended blueshift | |||||
| 02:06:22 | Expansion | Zigzag central absorption | Zigzag | Elongated thin wing | ||
| 02:07:04 | Long surge over the jet | Weak blue peak, redshift | Weak broad profiles | |||
| 02:10:21 | Long loops | Thin blue pixel | Broad weak | Continuum | ||
| Bright and dark | Weak extended redshift | |||||
| 02:14:24 | Long loops | One pixel extended peaks | Weak broad profiles | Extended thin blue-red | ||
| Long AFS | Long red wing extension in y | Red | ||||
| 02:18:24 | End | Symmetric profiles | Weak broad profiles | Continuum | ||
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