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| Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
| 1 | E15S23 (-240",-326") |
E33-W18 (51) |
4.3 | -0.4 | -4.6e20 |
| 2 | E10S63 (-79",-843") |
E60-W65 (125) |
4.3 | -0.8 | -4.1e21 |
| 3 | E29N61 (-231",880") |
51 (4.0e05) |
1.1 | 6.2 | 2.5e22 |
| 4 | E33S46 (-372",-658") |
E40-E27 (13) |
0.2 | -2.0 | -3.1e20 |
| 5 | W07S42 (92",-599") |
W03-W10 (7) |
0.2 | -0.7 | -4.9e19 |
| 6 | W58N07 (825",152") |
W54-W64 (10) |
0.2 | -0.4 | -5.9e19 |
| 7 | E53S14 (-758",-198") |
E58-E50 (8) |
0.1 | 0.3 | 2.7e19 |
| 8 | E29N34 (-388",595") |
E31-E25 (6) |
0.1 | -0.9 | -4.2e19 |
| 9 | W28S03 (459",12") |
W27-W30 (3) |
0.1 | -1.2 | -2.1e19 |
|
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 8-Jan-2019 20:30 UT . |
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