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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.184 5.593/6.591 6.134 ± 0.6275
ea02 1342 1342/1342 1342 ± 0 6.291 5.646/6.538 6.22 ± 0.5908
ea03 1342 1342/1342 1342 ± 0 6.129 5.425/6.721 6.139 ± 0.6998
ea04 1342 1342/1342 1342 ± 0 5.677 5.257/6.066 5.686 ± 0.5323
ea05 1342 1342/1342 1342 ± 0 6.067 5.384/6.629 6.015 ± 0.6448
ea06 1342 1342/1342 1342 ± 0 5.966 5.114/6.107 5.718 ± 0.6196
ea07 1342 1342/1342 1342 ± 0 6.039 5.278/6.334 5.918 ± 0.6489
ea08 1342 1342/1342 1342 ± 0 6.509 5.809/6.834 6.434 ± 0.6167
ea09 1342 1342/1342 1342 ± 0 5.713 5.205/6.451 5.856 ± 0.628
ea10 1342 1342/1342 1342 ± 0 5.534 5.067/6.001 5.534 ± 0.5273
ea11 1342 1342/1342 1342 ± 0 5.406 5.156/6.196 5.651 ± 0.6431
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.834 5.465/6.171 5.856 ± 0.4693
ea14 1342 1342/1342 1342 ± 0 6.071 5.498/6.384 6.071 ± 0.4998
ea15 1342 1342/1342 1342 ± 0 6.285 5.62/6.634 6.206 ± 0.6881
ea16 1342 1342/1342 1342 ± 0 6.199 5.668/6.722 6.243 ± 0.6871
ea17 1342 1342/1342 1342 ± 0 6.135 5.72/6.919 6.257 ± 0.6298
ea18 1342 1342/1342 1342 ± 0 6.335 5.783/6.852 6.265 ± 0.587
ea19 1342 1342/1342 1342 ± 0 6.034 5.494/6.469 6.035 ± 0.5658
ea20 1342 1342/1342 1342 ± 0 6.042 5.58/6.653 6.1 ± 0.5856
ea21 1342 1342/1342 1342 ± 0 5.44 5.104/5.922 5.576 ± 0.5004
ea22 1342 1342/1342 1342 ± 0 6.365 5.676/6.744 6.236 ± 0.6119
ea23 1342 1342/1342 1342 ± 0 6.154 5.52/6.301 6.053 ± 0.6322
ea24 1342 1342/1342 1342 ± 0 5.955 5.317/6.443 5.828 ± 0.6046
ea25 1342 1342/1342 1342 ± 0 6.433 5.659/6.849 6.381 ± 0.758
ea27 1342 1342/1342 1342 ± 0 6.016 5.354/6.48 5.909 ± 0.6452
ea28 1342 1342/1342 1342 ± 0 6.295 5.71/6.809 6.272 ± 0.5896
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 ± 0.00002348 5.497 5.368/5.684 5.499 ± 0.2599
4 1342 1342/1342 1342 ± 0.00002453 5.309 5.101/5.644 5.358 ± 0.3101
5 1342 1342/1342 1342 ± 0.00002501 5.314 5.127/5.532 5.329 ± 0.317
6 1342 1342/1342 1342 ± 0.00002348 5.398 5.171/5.582 5.387 ± 0.2772
7 1342 1342/1342 1342 ± 0.00002348 5.48 5.317/5.661 5.451 ± 0.2384
8 1342 1342/1342 1342 ± 0.00002348 5.414 5.181/5.584 5.386 ± 0.2558
9 1342 1342/1342 1342 ± 0.00002348 5.751 5.576/5.866 5.706 ± 0.2588
10 1342 1342/1342 1342 ± 0.00002348 6.159 6.027/6.287 6.137 ± 0.2294
11 1342 1342/1342 1342 ± 0.00002348 6.371 6.186/6.483 6.344 ± 0.2454
12 1342 1342/1342 1342 ± 0.00002348 6.477 6.2/6.722 6.479 ± 0.2872
13 1342 1342/1342 1342 ± 0.00002348 6.977 6.663/7.179 6.902 ± 0.3222
14 1342 1342/1342 1342 ± 0.00002348 7.161 6.812/7.28 7.066 ± 0.321
15 1342 1342/1342 1342 ± 0.00002348 6.832 6.558/7.087 6.802 ± 0.3527
16 1342 1342/1342 1342 ± 0.00002348 6.192 6.051/6.523 6.211 ± 0.3626
17 1342 1342/1342 1342 ± 0.00002348 6.225 5.999/6.386 6.15 ± 0.3277
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-25 13:43:29.406
End
2025-07-25 14:59:12.028
Duration
1:15:42.622
Note, WebLog generation is not included in the time.

CASA logs for stage 8