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| Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
| 1 | W20S47 (220",-763") |
E23-W38 (61) |
5.0 | -2.0 | -2.7e21 |
| 2 | E56N13 (-771",147") |
E67-E46 (21) |
2.0 | 1.2 | 6.4e20 |
| 3 | E31N37 (-385",491") |
E38-E14 (24) |
1.8 | 0.9 | 3.2e20 |
| 4 | W22S16 (346",-360") |
W16-W28 (12) |
0.3 | -5.3 | -2.8e20 |
| 5 | E08N49 (-90",638") |
E14-E01 (13) |
0.1 | -1.1 | -3.3e19 |
| 6 | W32S21 (475",-431") |
W28-W36 (8) |
0.1 | -4.9 | -9.9e19 |
| 7 | E23N58 (-194",742") |
E27-E19 (8) |
0.1 | -0.8 | -1.4e19 |
|
Note: Solar Monitor's coronal hole segmentations are performed by CHIMERA, a copy of which is available at: github.com/TCDSolar/CHIMERA. The operations of the CHIMERA algorithm is described in a peer reviewed paper: arxiv.org/abs/1711.11476. An extensive copy of coronal hole properties are available at: solarmonitor.org/data. The latest positions of the coronal holes are given in heliocentric co-ordinates, and the region positions are valid on 28-Aug-2022 23:30 UT . |
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