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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | W05S54 (51",-717") |
E50-W55 (105) |
11.6 | -1.3 | -3.4e21 |
2 | E39S13 (-586",-148") |
E55-E20 (35) |
1.7 | -0.6 | -2.0e20 |
3 | W39N04 (598",142") |
W35-W42 (7) |
0.1 | -0.7 | -2.0e19 |
4 | W50N20 (693",385") |
W45-W56 (11) |
0.1 | -0.6 | -1.5e19 |
5 | W29N14 (453",300") |
W26-W32 (6) |
0.1 | -0.7 | -7.9e18 |
6 | E50S23 (-677",-312") |
E52-E48 (4) |
0.0 | -0.5 | -5.8e18 |
7 | W19N73 (92",935") |
W15-W28 (13) |
0.0 | 1.3 | 4.3e19 |
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 16-Apr-2021 23:30 UT . |