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Technique Total|Mean Sep. (as)|Median Sep. (as)
A Adaptive Optics 23669 3.259 1.400
C CCD (long focus) 115473 20.871 8.875
D Heliometer 1702 30.619 10.475
E Wide-field CCD 568783 46.162 14.650
H Space-based technique 639331 40.973 8.766
I Interferometry 907 0.273 0.164
J Visual Interferometer 4180 0.213 0.128
K Long-Baseline Interferometer 4899 0.443 0.053
M Micrometer 425135 10.246 2.140
O Occultation 2383 0.384 0.100
P Photography 183758 32.836 13.241
S Speckle Interferometer 123052 1.008 0.450
T Transit Instrument 10916 145.787 42.022
V Visual Estimate 55 6.771 2.000
X Spectroscopy 536 14.060 10.000
Z Photometer 99733 37.102 19.480
- Unknown 2424 76.215 13.640