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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.282 5.643/6.699 6.227 ± 0.6528
ea02 1342 1342/1342 1342 ± 0 5.899 5.119/6.116 5.782 ± 0.6259
ea03 1342 1342/1342 1342 ± 0 6.305 5.504/6.975 6.295 ± 0.8028
ea04 1342 1342/1342 1342 ± 0 5.728 5.169/6.194 5.727 ± 0.612
ea05 1342 1342/1342 1342 ± 0 6.196 5.434/6.924 6.164 ± 0.719
ea06 1342 1342/1342 1342 ± 0 6.369 5.305/6.573 6.077 ± 0.7359
ea07 1342 1342/1342 1342 ± 0 5.946 5.125/6.271 5.781 ± 0.7241
ea08 1342 1342/1342 1342 ± 0 5.892 4.881/6.078 5.629 ± 0.717
ea09 1342 1342/1342 1342 ± 0 5.648 4.997/6.373 5.67 ± 0.6976
ea10 1342 1342/1342 1342 ± 0 5.872 5.226/6.319 5.794 ± 0.6234
ea11 1342 1342/1342 1342 ± 0 5.806 5.391/6.658 5.97 ± 0.7529
ea12 1342 1342/1342 1342 ± 0 5.843 5.338/6.501 5.917 ± 0.646
ea13 1342 1342/1342 1342 ± 0 5.579 4.796/5.721 5.385 ± 0.5644
ea14 1342 1342/1342 1342 ± 0 6.279 5.686/6.752 6.288 ± 0.6214
ea15 1342 1342/1342 1342 ± 0 6.281 5.581/6.693 6.191 ± 0.7385
ea16 1342 1342/1342 1342 ± 0 6.471 5.841/6.979 6.478 ± 0.7547
ea17 1342 1342/1342 1342 ± 0 6.165 5.669/7.044 6.303 ± 0.7426
ea18 1342 1342/1342 1342 ± 0 6.082 5.606/6.434 5.953 ± 0.5825
ea19 1342 1342/1342 1342 ± 0 6.259 5.573/6.819 6.237 ± 0.6885
ea20 1342 1342/1342 1342 ± 0 6.203 5.58/6.803 6.162 ± 0.7247
ea21 1342 1342/1342 1342 ± 0 5.648 5.048/6.059 5.609 ± 0.5836
ea22 1342 1342/1342 1342 ± 0 5.711 4.943/6.061 5.54 ± 0.6319
ea23 1342 1342/1342 1342 ± 0 6.253 5.543/6.462 6.153 ± 0.6974
ea24 1342 1342/1342 1342 ± 0 5.638 4.542/5.845 5.365 ± 0.6819
ea25 1342 1342/1342 1342 ± 0 6.709 5.803/7.248 6.616 ± 0.8967
ea27 1342 1342/1342 1342 ± 0 6.209 5.39/6.662 6.064 ± 0.7153
ea28 1342 1342/1342 1342 ± 0 5.993 5.312/6.567 5.896 ± 0.6966
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 ± 0.00002392 5.455 5.248/5.583 5.38 ± 0.3209
4 1342 1342/1342 1342 ± 0.00002392 5.194 4.942/5.367 5.249 ± 0.3395
5 1342 1342/1342 1342 ± 0.00002387 5.129 4.954/5.31 5.134 ± 0.3358
6 1342 1342/1342 1342 ± 0.00002367 5.126 4.872/5.389 5.15 ± 0.2923
7 1342 1342/1342 1342 ± 0.00002348 5.406 4.999/5.581 5.337 ± 0.3241
8 1342 1342/1342 1342 ± 0.00002305 5.31 5.092/5.596 5.304 ± 0.3764
9 1342 1342/1342 1342 ± 0.00002305 5.724 5.349/5.939 5.647 ± 0.3764
10 1342 1342/1342 1342 ± 0.00002305 6.165 5.826/6.369 6.111 ± 0.3263
11 1342 1342/1342 1342 ± 0.00002305 6.382 6.016/6.661 6.338 ± 0.3351
12 1342 1342/1342 1342 ± 0.00002305 6.505 6.105/6.819 6.486 ± 0.3888
13 1342 1342/1342 1342 ± 0.00002305 6.958 6.642/7.319 6.951 ± 0.4428
14 1342 1342/1342 1342 ± 0.00002305 7.138 6.778/7.407 7.113 ± 0.4397
15 1342 1342/1342 1342 ± 0.00002305 6.819 6.489/7.088 6.819 ± 0.4173
16 1342 1342/1342 1342 ± 0.00002305 6.25 5.934/6.505 6.246 ± 0.3833
17 1342 1342/1342 1342 ± 0.00002305 6.172 5.859/6.558 6.177 ± 0.3813
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
Start time
2025-08-04 22:03:52.114
End
2025-08-04 22:36:32.811
Duration
0:32:40.696
Note, WebLog generation is not included in the time.

CASA logs for stage 8