Table 2.
NOAA number of the investigated active regions with the extension of the flow field from the sunspot boundary and selected velocity values.
AR | Period | ![]() |
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---|---|---|---|---|---|---|---|
(1st day) | (w/o penumbra) | (w/o spot) | (1st day) | (w/o penumbra) | (w/o spot) | ||
11676 | 19.–27.02.2013 | 677 | 373 | 237 | 14.5 | 10.43 | 6.6 |
11641 | 02.–08.01.2013 | 838 | 488 | 342 | 14.8 | 12.9 | 13.1 |
11646 | 05.–10.01.2013 | 957 | 400 | 221 | 9.4 | 8.0 | 4.3 |
11841 | 13.–21.09.2013 | 711 | 519 | – | 9.8 | 8.4 | – |
12013 | 21.–26.03.2014 | 929 | 289 | – | 8.8 | 3.8 | – |
12163 | 09.–16.09.2014 | 968 | 443 | 130 | 9.9 | 10.3 | 4.1 |
12169 | 18.–26.09.2014 | 1051 | 318 | 266 | 15.2 | 6.8 | 6.5 |
12170 | 19.–26.09.2014 | 916 | 356 | 309 | 12.6 | 6.8 | 6.7 |
mean | 881 | 398 | 251 | 11.9 | 8.4 | 6.9 |
Notes. (3 pixel) is the mean maximum horizontal velocity (average over the first day of analysis), which is found at the sunspot boundary.
is the mean maximal velocity after the penumbra/the spot has fully dissolved for different locations in the flow field.
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