Table 1
Information of the white-light flares detected in NOAA AR 11515.
| Num | Date | Peak | GOES | AR | Δ Twl | Swl |  |
 |
dBl | Bl sign |  |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Time | Class | Location | (min) | ( ) |
 |
 |
 |
change |  |
||
| 1 | 2012.07.03 | 17:02 | C9.0 | S17W08 | 3.75 | 10.50 | 9.3% ± 1.1% | 6.5% ± 1.1% | 1.4% | Y | 72.2% |
| 2 | 2012.07.04 | 09:55 | M5.3 | S17W18 | 5.25 | 38.00 | 32.6% ± 1.2% | 8.8% ± 1.2% | 1.7% | Y | 82.5% |
| 3 | 2012.07.04 | 12:24 | M2.3 | S17W22 | 3.00 | 3.75 | 8.0% ± 1.3% | 5.7% ± 1.3% | 5.7% | Y | 85.2% |
| 4 | 2012.07.04 | 14:40 | M1.3 | S18W20 | 4.50 | 32.25 | 16.1% ± 1.0% | 7.5% ± 1.1% | − 6.0% | Y | 66.0% |
| 5 | 2012.07.04 | 15:50 | C6.4 | S17W23 | 3.00 | 13.75 | 9.0% ± 1.3% | 6.4% ± 1.3% | − 7.0% | N | 84.5% |
| 6 | 2012.07.04 | 16:12 | C6.9 | S17W21 | 3.75 | 35.00 | 13.3% ± 1.2% | 7.1% ± 1.2% | − 1.7% | N | 50.8% |
| 7 | 2012.07.04 | 21:27 | C9.5 | S16W21 | 3.00 | 34.50 | 16.5% ± 1.3% | 9.0% ± 1.3% | − 16.2% | Y | 80.3% |
| 8 | 2012.07.04 | 22:09 | M4.6 | S16W28 | 3.75 | 14.25 | 13.8% ± 1.1% | 7.5% ± 1.1% | − 5.1% | – | 93.2% |
| 9 | 2012.07.05 | 01:10 | M2.4 | S17W27 | 4.50 | 26.00 | 10.1% ± 1.4% | 6.7% ± 1.4% | − 0.7% | – | 64.6% |
| 10 | 2012.07.05 | 02:42 | M2.2 | S18W27 | 5.25 | 35.00 | 11.2% ± 1.3% | 6.7% ± 1.3% | − 0.4% | Y | 74.4% |
| 11 | 2012.07.05 | 03:36 | M4.7 | S18W29 | 4.50 | 68.75 | 49.9% ± 1.1% | 14.8% ± 1.1% | − 30.2% | Y | 98.0% |
| 12 | 2012.07.05 | 04:45 | C9.1 | S18W29 | 2.25 | 38.00 | 14.0% ± 1.2% | 6.9% ± 1.2% | − 1.7% | – | 60.7% |
| 13 | 2012.07.05 | 10:48 | M1.8 | S18W30 | 5.25 | 37.25 | 27.0% ± 1.3% | 10.9% ± 1.3% | − 12.0% | Y | 91.5% |
| 14 | 2012.07.05 | 11:44 | M6.1 | S18W32 | 6.00 | 165.0 | 36.0% ± 1.1% | 10.3% ± 1.1% | − 10.1% | Y | 93.0% |
| 15 | 2012.07.05 | 14:45 | C8.3 | S17W33 | 5.25 | 4.25 | 9.6% ± 1.1% | 7.5% ± 1.1% | − 13.1% | Y | 91.9% |
| 16 | 2012.07.05 | 15:59 | C6.2 | S17W34 | 5.25 | 19.25 | 18.7% ± 1.3% | 8.3% ± 1.3% | 0.3% | Y | 90.2% |
| 17 | 2012.07.05 | 20:14 | M1.6 | S18W37 | 6.00 | 30.00 | 14.0% ± 1.2% | 7.7% ± 1.2% | − 20.3% | Y | 94.2% |
| 18 | 2012.07.06 | 01:40 | M2.9 | S17W39 | 6.00 | 94.25 | 40.2% ± 1.1% | 10.0% ± 1.1% | 13.5% | Y | 81.7% |
| 19 | 2012.07.06 | 07:07 | C7.4 | S18W44 | 6.00 | 20.75 | 12.1% ± 1.1% | 7.2% ± 1.1% | − 1.2% | – | 78.0% |
| 20 | 2012.07.06 | 10:32 | M1.8 | S17W44 | 6.75 | 23.25 | 11.2% ± 1.1% | 6.9% ± 1.1% | − 4.2% | – | 66.2% |
Notes. Δ Twl is the duration of the WLF. Swl is the area of the WLF region. 
and 
are the intensity and line-of-sight magnetic field strength before the flare peak in the WLF region.
and
are the intensity and line-of-sight magnetic field strength at the peak time of the flare in the WLF region.
refers to the maximum value of 
in the WLF region and 
refers to the average value. d Bl is the average value of 
in the WLF region. For the sign change of Bl, “Y” means clear sign change, “N” means no sign change, and “–” means not obvious.I1600 is the average intensity of AIA 1600Å in the WLF region and 
is the maximum value in the whole flare region.
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