Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.048 4.911/5.927 5.324 ± 0.5653
ea02 1342 1342/1342 1342 ± 0.00004038 5.395 5.022/6.418 5.68 ± 0.765
ea03 1342 1342/1342 1342 ± 0.0000289 4.765 4.577/5.88 5.142 ± 0.6668
ea04 1342 1342/1342 1342 ± 0.00003125 5.085 4.801/5.955 5.277 ± 0.6216
ea05 1342 1342/1342 1342 ± 0.00002682 5.206 4.907/6.233 5.466 ± 0.6892
ea06 1342 1342/1342 1342 ± 0.00003909 4.83 4.614/5.628 5.042 ± 0.5424
ea07 1342 1342/1342 1342 ± 0.00003715 5.28 5.08/6.071 5.591 ± 0.6551
ea08 1342 1342/1342 1342 ± 0.00003857 5.564 5.355/6.712 5.922 ± 0.8129
ea09 1342 1342/1342 1342 ± 0.00003678 5.204 4.951/6.301 5.5 ± 0.6769
ea10 1342 1342/1342 1342 ± 0.00003715 5.149 5/6.366 5.543 ± 0.7344
ea11 1342 1342/1342 1342 ± 0.00003966 5.268 4.864/6.251 5.466 ± 0.7412
ea12 1342 1342/1342 1342 ± 0.00003999 5.276 5.018/6.263 5.512 ± 0.6844
ea13 1342 1342/1342 1342 ± 0.00003327 5.609 5.46/6.325 5.872 ± 0.628
ea14 1342 1342/1342 1342 ± 0.00003059 5.205 4.906/6.223 5.482 ± 0.7145
ea15 1342 1342/1342 1342 ± 0.0000187 5.081 4.771/6.133 5.452 ± 0.7398
ea16 1342 1342/1342 1342 ± 0.00003625 5.461 5.22/6.565 5.788 ± 0.8463
ea17 1342 1342/1342 1342 ± 0.00004312 5.659 5.338/6.794 5.925 ± 0.748
ea18 1342 1342/1342 1342 ± 0.00003944 4.559 4.389/5.457 4.804 ± 0.5158
ea19 1342 1342/1342 1342 ± 0.00001986 5.222 5.088/6.314 5.542 ± 0.6925
ea21 1342 1342/1342 1342 ± 0.00003332 5.167 5.009/6.168 5.469 ± 0.7063
ea22 1342 1342/1342 1342 ± 0.00004027 5.209 4.9/6.285 5.489 ± 0.7177
ea23 1342 1342/1342 1342 ± 0.00003918 5.296 5.024/6.384 5.656 ± 0.7966
ea25 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea26 1342 1342/1342 1342 ± 0.00003346 5.504 5.216/6.665 5.829 ± 0.7351
ea27 1342 1342/1342 1342 ± 0.00003984 5.18 4.916/6.256 5.479 ± 0.6791
ea28 1342 1342/1342 1342 ± 0.00003862 5.162 4.938/6.124 5.429 ± 0.6587
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002406 5.086 4.943/5.263 5.076 ± 0.2262
3 1342 1342/1342 1342 ± 0.00003818 4.867 4.664/5.066 4.841 ± 0.3196
5 1342 1342/1342 1342 ± 0.00002406 4.919 4.82/5.157 4.997 ± 0.2924
6 1342 1342/1342 1342 ± 0.00002406 5.054 4.906/5.215 5.062 ± 0.2772
7 1342 1342/1342 1342 ± 0.00002406 5.1 5.004/5.207 5.116 ± 0.2292
8 1342 1342/1342 1342 ± 0.00002406 5.072 4.915/5.268 5.084 ± 0.2556
9 1342 1342/1342 1342 ± 0.00002406 5.355 5.263/5.641 5.394 ± 0.2995
10 1342 1342/1342 1342 ± 0.00002406 5.785 5.673/6.006 5.803 ± 0.3027
11 1342 1342/1342 1342 ± 0.00002406 6.121 5.968/6.27 6.073 ± 0.2954
12 1342 1342/1342 1342 ± 0.00002406 6.282 6.12/6.398 6.246 ± 0.3002
13 1342 1342/1342 1342 ± 0.00002406 6.587 6.431/6.651 6.532 ± 0.3369
14 1342 1342/1342 1342 ± 0.00002493 6.566 6.317/6.821 6.545 ± 0.4119
15 1342 1342/1342 1342 ± 0.00002436 6.403 6.273/6.743 6.432 ± 0.3953
16 1342 1342/1342 1342 ± 0.00005043 4.61 4.429/4.801 4.63 ± 0.2671
17 1342 1342/1342 1342 ± 0.00005443 4.559 4.407/4.72 4.574 ± 0.2548
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
Start time
2025-01-04 04:29:59.806
End
2025-01-04 05:13:01.517
Duration
0:43:01.711
Note, WebLog generation is not included in the time.

CASA logs for stage 8