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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | W04N09 (61",236") |
E25-W38 (63) |
6.3 | -0.1 | -1.4e20 |
2 | E22S59 (-187",-790") |
125 (5.7e05) |
-0.5 | 5.4 | 3.1e22 |
3 | W15S23 (237",-295") |
W01-W25 (24) |
2.0 | 0.0 | 1.0e19 |
4 | W20N65 (144",915") |
E32-W53 (85) |
1.1 | 0.7 | 2.3e21 |
5 | E21N27 (-316",516") |
E30-E15 (15) |
0.5 | -0.6 | -1.3e20 |
6 | E44S28 (-597",-392") |
E46-E39 (7) |
0.1 | -0.4 | -2.6e19 |
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 24-Jan-2020 20:30 UT . |