group | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
1.70 | 11.72 | 0.89 | 6.14 | 14.55 | 228.54 | 5.28 | 343.83 | 0.3249 | -511.5 | -282.0 |
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spot | Proj. U | Proj. WS | Corr. U | Corr. WS | B | L | LCM | Pos. angle | r | MU | MP |
0.00 | 1.25 | 0.00 | 0.66 | 12.98 | 235.56 | 12.30 | 323.43 | 0.3499 | -862.0 | -744.0 | |
1.70 | 3.22 | 0.89 | 1.68 | 13.68 | 229.63 | 6.37 | 339.77 | 0.3130 | -969.0 | -875.9 | |
0.00 | 0.90 | 0.00 | 0.47 | 13.62 | 229.35 | 6.09 | 340.53 | 0.3104 | -876.0 | -754.6 | |
0.00 | 3.31 | 0.00 | 1.73 | 14.94 | 227.28 | 4.02 | 347.82 | 0.3222 | -895.0 | -727.5 | |
0.00 | 3.04 | 0.00 | 1.60 | 15.96 | 225.63 | 2.36 | 353.15 | 0.3343 | 994.0 | 824.9 |
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. |