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Table 1.

Statistics of EUV brightenings related to the LoS magnetic field configuration for eight different detection thresholds.

Bth HMI Strong Bipolar Weak Mixing Unipolar Weak Field
FOV Events area ¯ $ \overline{\mathrm{area}} $ dur ¯ $ \overline{\mathrm{dur}} $ Events area ¯ $ \overline{\mathrm{area}} $ dur ¯ $ \overline{\mathrm{dur}} $ Events area ¯ $ \overline{\mathrm{area}} $ dur ¯ $ \overline{\mathrm{dur}} $ Events area ¯ $ \overline{\mathrm{area}} $ dur ¯ $ \overline{\mathrm{dur}} $
G pixel2 Mm2 s Mm2 s Mm2 s Mm2 s
20 5 × 5 627 0.38 27 3002 0.31 25 468 0.25 27 967 0.32 25
30 5 × 5 260 0.43 31 2339 0.30 25 468 0.25 27 1997 0.33 25
40 5 × 5 159 0.45 29 1912 0.30 25 463 0.25 27 2530 0.33 25
50 5 × 5 104 0.48 34 1630 0.30 25 457 0.25 27 2873 0.32 25
20 9 × 9 2379 0.35 28 2517 0.27 24 22 0.21 32 146 0.36 27
30 9 × 9 1141 0.40 31 3114 0.28 24 22 0.21 32 787 0.31 25
40 9 × 9 763 0.40 30 2972 0.29 25 22 0.21 32 1307 0.31 24
50 9 × 9 555 0.39 31 2859 0.30 26 22 0.21 32 1628 0.31 24

Notes. The left two columns define the absolute LoS magnetic field strength used as the cut-off between ‘strong’ and ‘weak’ field (Bth in Sect. 3.1) and the SDO/HMI FOV around each EUV brightening used to identify whether strong magnetic field was present (m × m in Sect. 3.1), respectively. The number, average area, and average duration of EUV brightenings matching each of the four categories for the given threshold values are included in the remaining columns.

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