12699
12697
12698
|
|||||||||||
|
|
|
|||||||||
|
Today's Coronal Hole Properties | |||||
CHIMERA Number |
Centroid [Heliocentric] |
Width [°] |
Area [%] |
< B > [G] |
< Φ > [Mx] |
1 | W17S71 (93",-881") |
E49-W87 (136) |
2.7 | -1.6 | -7.1e33 |
2 | W25N60 (210",885") |
E29-W66 (95) |
1.7 | 0.7 | 2.9e33 |
3 | W55N44 (579",714") |
W40-W75 (35) |
1.0 | 0.8 | 2.4e33 |
4 | E51N09 (-745",219") |
E66-E36 (30) |
1.0 | -1.7 | -1.3e33 |
5 | W08S06 (142",14") |
W02-W13 (11) |
0.4 | -1.3 | -1.0e32 |
6 | W21N32 (295",601") |
W18-W24 (6) |
0.1 | -0.7 | -2.0e31 |
7 | W36N26 (516",509") |
W36-W37 (1) |
0.0 | -1.4 | -3.7e31 |
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 9-Feb-2018 20:30 UT . |