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Table 1
Details of SDO-HMI data used.
| βAR number | Observation date | Location | Sl/St |
|
|
|||
| AR11166 | 2011.03.08 | N11 W01 | 0.88 |
| T11:00-14:00 | |||
| AR11283 | 2011.09.05 | N13 W01 | 0.86 |
| T17:00-20:00 | |||
| AR11302 | 2011.09.28 | N13 W06 | 0.96 |
| T17:30-20:30 | |||
| AR11319 | 2011.10.15 | N09 E02 | 0.95 |
| T07:00-10:00 | |||
| AR11316 | 2011.10.15 | S12 E01 | 0.90 |
| T07:00-10:00 | |||
| AR11330 | 2011.10.27 | N09 E04 | 0.83 |
| T18:30-21:30 | |||
| AR11338 | 2011.11.06 | S14 W00 | 0.92 |
| T20:00-23:00 | |||
| AR11341 | 2011.11.11 | N08 W00 | 1.05 |
| T07:00-10:00 | |||
| AR11362 | 2011.12.03 | N08 W06 | 1.10 |
| T20:00-23:00 | |||
| AR11367 | 2011.12.07 | S18 W05 | 0.90 |
| T20:00-23:00 | |||
| AR11375 | 2011.12.13 | N08 W03 | 0.82 |
| T19:00-22:00 | |||
| AR11389 | 2012.01.03 | S22 W05 | 0.97 |
| T16:00-19:00 | |||
Notes. The fourth column shows the leading to trailing polarity area ratio.
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