group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
11 | 66 | 7 | 38 | 10.56 | 36.45 | -32.14 | 79.53 | 0.5341 | 734.2 | 203.2 |
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back to the solar disc SOHO MDI 2000-08-01 13:14:31 UT |
spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
6 | 28 | 4 | 16 | 10.28 | 37.26 | -31.33 | 79.89 | 0.5218 | 1040.5 | 577.9 | |
2 | -1 | 1 | -1 | 10.46 | 37.01 | -31.59 | 79.59 | 0.5258 | 813.3 | 999999 | |
3 | 11 | 2 | 7 | 9.92 | 36.59 | -32.00 | 80.68 | 0.5311 | 712.1 | 537.9 | |
0 | 7 | 0 | 4 | 10.27 | 36.46 | -32.13 | 80.04 | 0.5335 | 126.0 | 159.8 | |
0 | 5 | 0 | 3 | 11.09 | 36.03 | -32.56 | 78.61 | 0.5409 | -592.0 | -605.4 | |
0 | 6 | 0 | 3 | 12.92 | 35.29 | -33.30 | 75.46 | 0.5550 | -619.0 | -367.2 | |
0 | 4 | 0 | 2 | 10.69 | 35.41 | -33.19 | 79.45 | 0.5493 | -723.0 | -572.0 | |
0 | 5 | 0 | 3 | 10.71 | 34.29 | -34.30 | 79.61 | 0.5652 | -822.0 | -622.2 |
Proj. U | - Projected umbra area in millionths of solar disc, negative values indicate | |
that the umbra consists of fragmented regions which cannot be separated without losing umbral area. In this way several spots (intensity minima in the umbra) have a common umbra, e.g. -2 means that the given spot shares an umbra with spot No.2, and the common U value is indicated at spot No.2. |
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Proj. WS | - Projected whole spot area in millionths of solar disc, negative values indicate | |
that several umbras have a common penumbra, e.g. -7 means that the given umbra shares a penumbra with umbra No.7, and the WS value is indicated at No.7. |
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Corr. U | - Corrected umbra area in millionths of solar hemisphere, for negative values see above | |
Corr. WS | - Corrected whole spot area in millionths of solar hemisphere, for negative values see above | |
B | - Heliographic latitude B; positive: North, negative: South | |
L | - Heliographic longitude L | |
LCM | - Longitudinal distance from the Sun's central meridian | |
Pos. angle | - Position angle | |
r | - Distance from the centre of Sun's disc in terms of Sun's radius | |
MU | - Mean magnetic field within the umbra contour averaged the pixel values with sign. | |
MP | - Mean magnetic field within the penumbra contour averaged the pixel values with sign. |