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| Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
| 1 | W28N40 (341",661") |
E06-W47 (53) |
2.6 | -4.0 | -2.5e21 |
| 2 | E49S40 (-549",-578") |
E54-E36 (18) |
1.9 | 1.8 | 9.5e20 |
| 3 | W58S10 (793",-130") |
W41-W75 (34) |
1.1 | -1.7 | -5.4e20 |
| 4 | E28S44 (-316",-619") |
E34-E21 (13) |
0.2 | 3.0 | 1.1e20 |
| 5 | W42S10 (632",-105") |
W39-W46 (7) |
0.1 | -0.9 | -1.2e19 |
| 6 | W06N39 (72",651") |
W04-W07 (3) |
0.0 | -1.3 | -1.3e19 |
|
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 29-Apr-2023 23:30 UT . |
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