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European
Southern Observatory
New Technology Telescope |
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| Observations : | |||||
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Measured width vs Requested width
Requested
width vs encoder position
step = requested width
enc = encoder position
measure = measured width between the 2 maxima
of variation
gaussw = full width half maximum of gaussian
fit
imwidth = gaussw / step
quality = measure / step
Table : Slit Calibration Sequence step enc measur gaussw imwidt qualit -------- ------ ---- ------ ------ ------ ------ 1 +0.60 +54 0.55 0.67 1.11 0.91 2 +0.80 +64 0.76 0.80 1.00 0.95 3 +1.00 +71 0.93 0.95 0.95 0.93 4 +1.20 +77 1.16 1.11 0.92 0.96 5 +1.40 +81 1.30 1.24 0.89 0.93 6 +1.60 +86 1.53 1.42 0.89 0.96 7 +1.80 +91 1.74 1.58 0.88 0.97 8 +2.00 +95 1.94 1.74 0.87 0.97 9 +2.20 +100 2.19 1.96 0.89 1.00 10 +2.40 +104 2.40 2.13 0.89 1.00 11 +2.60 +108 2.64 2.32 0.89 1.02 12 +2.80 +112 2.83 2.51 0.90 1.01 13 +3.00 +115 2.99 2.63 0.88 1.00 14 +3.20 +119 3.23 2.84 0.89 1.01 15 +3.40 +122 3.41 3.00 0.88 1.00 16 +3.60 +126 3.70 3.22 0.89 1.03 17 +3.80 +129 3.80 3.34 0.88 1.00 18 +4.00 +132 4.03 3.54 0.89 1.01 19 +4.20 +135 4.23 3.68 0.88 1.01 20 +4.40 +138 4.39 3.87 0.88 1.00 21 +4.60 +142 4.68 4.09 0.89 1.02 22 +4.80 +145 4.85 4.25 0.89 1.01 23 +5.00 +148 5.07 4.44 0.89 1.01 24 +5.20 +151 5.26 4.59 0.88 1.01 25 +5.40 +154 5.44 4.78 0.89 1.01 26 +5.60 +157 5.63 4.94 0.88 1.00 27 +5.80 +161 5.91 5.18 0.89 1.02 28 +6.00 +164 6.11 5.30 0.88 1.02 29 +6.20 +167 6.27 5.43 0.88 1.01 30 +6.40 +170 6.49 5.64 0.88 1.01 31 +6.60 +172 6.61 5.75 0.87 1.00 32 +6.80 +176 6.90 4.31 0.63 1.02 33 +7.00 +179 7.04 6.11 0.87 1.01 34 +7.20 +183 7.29 6.33 0.88 1.01 35 +7.40 +187 7.55 6.56 0.89 1.02 36 +7.60 +190 7.66 6.67 0.88 1.01 37 +7.80 +194 7.99 4.87 0.62 1.02 38 +8.00 +197 8.11 7.04 0.88 1.01 39 +8.20 +200 8.30 5.82 0.71 1.01 40 +8.40 +204 8.55 7.43 0.88 1.02 41 +8.60 +208 8.72 7.60 0.88 1.01 42 +8.80 +212 8.95 19.72 2.24 1.02 43 +9.00 +216 9.15 7.97 0.89 1.02 44 +9.20 +220 9.31 8.12 0.88 1.01 45 +9.40 +225 9.54 8.31 0.88 1.01 46 +9.60 +231 9.75 8.51 0.89 1.02 47 +9.80 +236 9.96 8.70 0.89 1.02 48 +10.00 +242 10.16 8.87 0.89 1.02 -------- ------ ---- ------ ------ ------ ------
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