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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | W23S40 (280",-629") |
E37-W73 (110) |
14.1 | 2.0 | 6.3e21 |
2 | W05N10 (88",139") |
W03-W07 (4) |
0.1 | 11.2 | 1.3e20 |
3 | E71S04 (-891",-67") |
E77-E66 (11) |
0.1 | -2.6 | -7.1e19 |
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 17-Jun-2025 23:30 UT . |