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Table 2
Decay rates [Mm2 day-1] of penumbra, umbra, and the entire satellite sunspot (pores, umbrae, and penumbrae) for four time intervals.
| Feature | Decay rate [Mm2 day-1] for four time intervals | |||
| t0 − t1 | t1 − t2 | t2 − t3 | t0 − t3 | |
|
|
||||
| Penumbra | 130.2 | 244.2 | 31.3 | |
| Umbra | 86.4 | 68.4 | 67.9 | 73.7 |
| Spot | 216.6 | 312.6 | 99.3 | 225.8 |
Notes. The time intervals are t0 = 03:07 UT, t1 = 08:36 UT, t2 = 14:46 UT, t3 = 18:20 UT.
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