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Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | E23S15 (-351",-321") |
49 (7.2e04) |
-0.4 | 3.0 | 2.1e21 |
2 | W27N02 (433",-35") |
W07-W42 (35) |
3.1 | -0.2 | -1.2e20 |
3 | E09N15 (-150",163") |
E17-W08 (25) |
2.8 | 0.2 | 6.6e19 |
4 | W47N69 (244",862") |
E27-W84 (111) |
1.4 | 1.0 | 6.7e20 |
5 | E27S55 (-248",-813") |
E43-E07 (36) |
1.2 | -0.3 | -1.3e20 |
6 | E47N66 (-281",837") |
E59-E38 (21) |
1.0 | 1.3 | 5.3e20 |
7 | W17S16 (262",-339") |
W07-W25 (18) |
0.4 | 1.0 | 7.1e19 |
8 | E24S32 (-327",-569") |
E30-E18 (12) |
0.3 | -0.8 | -4.6e19 |
9 | E30N36 (-383",501") |
E39-E24 (15) |
0.2 | 0.5 | 2.6e19 |
10 | E39S15 (-579",-313") |
E44-E35 (9) |
0.1 | -0.5 | -1.2e19 |
11 | W48S15 (681",-292") |
W44-W51 (7) |
0.1 | -0.4 | -1.2e19 |
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 22-Jul-2020 19:00 UT . |