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| Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
| 1 | E15N50 (-161",791") |
E28-W06 (34) |
0.7 | -0.5 | -9.5e19 |
| 2 | W23N27 (334",504") |
W19-W27 (8) |
0.3 | 6.8 | 3.3e20 |
| 3 | E32N21 (-489",406") |
E34-E31 (3) |
0.1 | 18.6 | 2.0e20 |
| 4 | W04S06 (65",-27") |
W02-W05 (3) |
0.0 | 6.9 | 4.7e19 |
|
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 16-Jan-2023 20:30 UT . |
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