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 6.171 5.54/6.61 6.138 ± 0.6251
ea02 1342 1342/1342 1342 ± 0.000004838 6.288 5.617/6.507 6.222 ± 0.5798
ea03 1342 1342/1342 1342 ± 0.000001265 6.112 5.406/6.704 6.131 ± 0.6933
ea04 1342 1342/1342 1342 ± 0.000004797 5.666 5.211/6.09 5.666 ± 0.5493
ea05 1342 1342/1342 1342 ± 0.000001274 6.039 5.315/6.534 6.001 ± 0.6376
ea06 1342 1342/1342 1342 ± 0 5.976 5.113/6.065 5.71 ± 0.6174
ea07 1342 1342/1342 1342 ± 0 6.032 5.313/6.286 5.889 ± 0.6326
ea08 1342 1342/1342 1342 ± 0 6.507 5.762/6.824 6.399 ± 0.6198
ea09 1342 1342/1342 1342 ± 0 5.943 5.216/6.452 5.903 ± 0.6464
ea10 1342 1342/1342 1342 ± 0 5.535 5.127/6.072 5.575 ± 0.5233
ea11 1342 1342/1342 1342 ± 0.000001264 5.443 5.193/6.225 5.661 ± 0.6232
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.982 5.484/6.205 5.904 ± 0.4812
ea14 1342 1342/1342 1342 ± 0 5.991 5.485/6.395 6.028 ± 0.4906
ea15 1342 1342/1342 1342 ± 0 6.325 5.64/6.611 6.214 ± 0.6985
ea16 1342 1342/1342 1342 ± 0 6.202 5.681/6.691 6.23 ± 0.6675
ea17 1342 1342/1342 1342 ± 0 6.165 5.692/6.873 6.239 ± 0.6352
ea18 1342 1342/1342 1342 ± 0 6.391 5.833/6.97 6.348 ± 0.6333
ea19 1342 1342/1342 1342 ± 0 6.058 5.437/6.552 6.026 ± 0.5869
ea20 1342 1342/1342 1342 ± 0 6.163 5.575/6.647 6.125 ± 0.5927
ea21 1342 1342/1342 1342 ± 0 5.428 5.113/5.887 5.554 ± 0.4857
ea22 1342 1342/1342 1342 ± 0 6.304 5.62/6.667 6.151 ± 0.6051
ea23 1342 1342/1342 1342 ± 0.000001264 6.148 5.483/6.315 6.037 ± 0.6205
ea24 1342 1342/1342 1342 ± 0 5.971 5.27/6.416 5.798 ± 0.6265
ea25 1342 1342/1342 1342 ± 0.000001294 6.334 5.628/6.7 6.326 ± 0.7137
ea27 1342 1342/1342 1342 ± 0.000001264 6.007 5.329/6.472 5.893 ± 0.6431
ea28 1342 1342/1342 1342 ± 0.000001263 6.311 5.695/6.847 6.284 ± 0.6096
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 ± 0.00002354 5.488 5.355/5.694 5.502 ± 0.2701
4 1342 1342/1342 1342 ± 0.00002513 5.325 5.155/5.491 5.345 ± 0.3135
5 1342 1342/1342 1342 ± 0.00002411 5.379 5.17/5.572 5.368 ± 0.302
6 1342 1342/1342 1342 ± 0.00002354 5.352 5.093/5.537 5.327 ± 0.2934
7 1342 1342/1342 1342 ± 0.00002354 5.448 5.279/5.64 5.437 ± 0.2353
8 1342 1342/1342 1342 ± 0.00002354 5.422 5.179/5.618 5.387 ± 0.2635
9 1342 1342/1342 1342 ± 0.00002354 5.73 5.59/5.88 5.709 ± 0.2544
10 1342 1342/1342 1342 ± 0.00002356 6.166 6.04/6.307 6.135 ± 0.2265
11 1342 1342/1342 1342 ± 0.00002354 6.362 6.207/6.472 6.34 ± 0.2376
12 1342 1342/1342 1342 ± 0.00002354 6.491 6.232/6.694 6.478 ± 0.2808
13 1342 1342/1342 1342 ± 0.00002359 6.919 6.671/7.183 6.903 ± 0.3071
14 1342 1342/1342 1342 ± 0.00002354 7.106 6.806/7.281 7.053 ± 0.3131
15 1342 1342/1342 1342 ± 0.00002354 6.75 6.546/7.038 6.763 ± 0.3386
16 1342 1342/1342 1342 ± 0.00002354 6.223 6.045/6.529 6.227 ± 0.3497
17 1342 1342/1342 1342 ± 0.00002354 6.203 6.028/6.415 6.168 ± 0.3228
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-25 02:19:26.461
End
2025-07-25 03:16:40.503
Duration
0:57:14.042
Note, WebLog generation is not included in the time.

CASA logs for stage 8