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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.204 4.964/5.642 5.295 ± 0.4572
ea02 1342 1342/1342 1342 ± 0 6.182 5.509/6.409 6.162 ± 0.6208
ea03 1342 1342/1342 1342 ± 0 6.026 5.357/6.671 6.086 ± 0.7401
ea04 1342 1342/1342 1342 ± 0.00002752 5.619 5.203/6.04 5.665 ± 0.5456
ea05 1342 1342/1342 1342 ± 0.00002755 5.615 5.343/6.512 5.871 ± 0.6536
ea06 1342 1342/1342 1342 ± 0 5.914 4.956/6.162 5.651 ± 0.648
ea07 1342 1342/1342 1342 ± 0 6.051 5.167/6.234 5.857 ± 0.7154
ea08 1342 1342/1342 1342 ± 0 6.459 5.584/6.774 6.301 ± 0.6833
ea09 1342 1342/1342 1342 ± 0.00001031 5.563 5.097/6.411 5.69 ± 0.6708
ea10 1342 1342/1342 1342 ± 0 5.412 5.023/6.019 5.492 ± 0.5804
ea11 1342 1342/1342 1342 ± 0.0000405 5.275 4.983/6.149 5.521 ± 0.6714
ea12 1342 1342/1342 1342 ± 0.000005167 5.44 5.262/6.229 5.706 ± 0.5789
ea13 1342 1342/1342 1342 ± 0 5.887 5.521/6.426 5.99 ± 0.6666
ea14 1342 1342/1342 1342 ± 0.000002402 5.871 5.539/6.543 6.072 ± 0.596
ea15 1342 1342/1342 1342 ± 0.00003562 5.914 5.571/6.668 6.14 ± 0.7268
ea17 1342 1342/1342 1342 ± 0 6.179 5.708/6.985 6.28 ± 0.6901
ea18 1342 1342/1342 1342 ± 0 6.406 5.762/7.065 6.363 ± 0.6966
ea19 1342 1342/1342 1342 ± 0 5.951 5.313/6.446 5.896 ± 0.6133
ea20 1342 1342/1342 1342 ± 0 5.81 5.594/6.719 6.065 ± 0.6486
ea21 1342 1342/1342 1342 ± 0 5.452 5.033/5.862 5.503 ± 0.5147
ea22 1342 1342/1342 1342 ± 0 6.401 5.788/6.858 6.314 ± 0.6881
ea23 1342 1342/1342 1342 ± 0 5.797 5.404/6.334 5.965 ± 0.6547
ea24 1342 1342/1342 1342 ± 0 6.096 5.061/6.502 5.794 ± 0.8232
ea25 1342 1342/1342 1342 ± 0 6.416 5.623/6.916 6.429 ± 0.8009
ea28 1342 1342/1342 1342 ± 0 6.017 5.672/6.941 6.253 ± 0.6674
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 ± 0.00002394 5.394 5.099/5.563 5.352 ± 0.3234
4 1342 1342/1342 1342 ± 0.00002636 4.977 4.822/5.207 4.967 ± 0.3012
5 1342 1342/1342 1342 ± 0.00002394 5.329 5.088/5.56 5.342 ± 0.3093
6 1342 1342/1342 1342 ± 0.00002394 5.289 5.067/5.547 5.289 ± 0.2868
7 1342 1342/1342 1342 ± 0.00002394 5.406 5.201/5.595 5.376 ± 0.2655
8 1342 1342/1342 1342 ± 0.00002394 5.308 5.131/5.577 5.321 ± 0.2922
9 1342 1342/1342 1342 ± 0.00002394 5.628 5.437/5.877 5.641 ± 0.3094
10 1342 1342/1342 1342 ± 0.00002394 6.173 5.908/6.337 6.1 ± 0.2917
11 1342 1342/1342 1342 ± 0.00002394 6.388 6.146/6.553 6.313 ± 0.329
12 1342 1342/1342 1342 ± 0.00002394 6.449 6.217/6.682 6.45 ± 0.3618
13 1342 1342/1342 1342 ± 0.00002394 7.008 6.61/7.164 6.909 ± 0.3842
14 1342 1342/1342 1342 ± 0.00002394 7.171 6.789/7.402 7.066 ± 0.4001
15 1342 1342/1342 1342 ± 0.00002394 6.842 6.471/7.116 6.758 ± 0.3942
16 1342 1342/1342 1342 ± 0.0000377 5.923 5.669/6.337 6.006 ± 0.4672
17 1342 1342/1342 1342 ± 0.00004609 6.013 5.604/6.192 5.921 ± 0.4563
statwtmode
VLASS-SE
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-07-19 04:01:59.980
End
2025-07-19 04:40:00.459
Duration
0:38:00.479
Note, WebLog generation is not included in the time.

CASA logs for stage 8