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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.411 5.194/6.495 5.711 ± 0.8447
ea02 1342 1342/1342 1342 ± 0.00002371 5.516 5.095/6.266 5.609 ± 0.9267
ea03 1342 1342/1342 1342 ± 0 5.315 5.076/6.54 5.684 ± 0.8413
ea04 1342 1342/1342 1342 ± 0.00004192 5.032 4.83/6.023 5.322 ± 0.7103
ea05 1342 1342/1342 1342 ± 0.00004227 5.183 4.953/6.431 5.502 ± 0.8522
ea06 1342 1342/1342 1342 ± 0.000001156 4.902 4.694/5.766 5.215 ± 0.7495
ea07 1342 1342/1342 1342 ± 0.00002461 5.053 4.926/6.282 5.561 ± 0.9314
ea08 1342 1342/1342 1342 ± 0 5.455 5.209/6.628 5.835 ± 0.903
ea09 1342 1342/1342 1342 ± 0.00004192 4.889 4.692/6.049 5.185 ± 0.7362
ea10 1342 1342/1342 1342 ± 0.00004252 4.846 4.465/5.928 5.102 ± 0.7783
ea11 1342 1342/1342 1342 ± 0.00004445 5.071 4.532/6.166 5.26 ± 0.9
ea12 1342 1342/1342 1342 ± 0.00004117 5.011 4.827/5.993 5.32 ± 0.6707
ea14 1342 1342/1342 1342 ± 0.00004192 5.392 5.166/6.343 5.645 ± 0.725
ea15 1342 1342/1342 1342 ± 0.00004274 5.16 5.098/6.347 5.597 ± 0.8719
ea16 1342 1342/1342 1342 ± 0.000002337 5.558 5.096/6.487 5.731 ± 0.8799
ea17 1342 1342/1342 1342 ± 0.00003617 5.412 5.068/6.739 5.715 ± 0.8415
ea18 1342 1342/1342 1342 ± 0 5.489 5.269/6.792 5.908 ± 0.8229
ea19 1342 1342/1342 1342 ± 0.00003289 5.187 5.047/6.345 5.567 ± 0.7537
ea21 1342 1342/1342 1342 ± 0 4.86 4.724/5.733 5.125 ± 0.6957
ea22 1342 1342/1342 1342 ± 0 5.442 4.961/6.455 5.628 ± 0.8051
ea23 1342 1342/1342 1342 ± 0.00004194 5.367 4.962/6.233 5.609 ± 0.7934
ea24 1342 1342/1342 1342 ± 0.00001657 5.166 5.036/6.442 5.589 ± 0.7818
ea25 1342 1342/1342 1342 ± 0 5.643 5.291/6.719 5.951 ± 0.9237
ea27 1342 1342/1342 1342 ± 0.000002024 5.066 4.878/6.33 5.483 ± 0.7857
ea28 1342 1342/1342 1342 ± 0.00002634 5.486 5.359/6.864 5.866 ± 0.9093
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 4.967 4.855/5.094 4.936 ± 0.2965
4 1342 1342/1342 1342 ± 0.00003402 3.862 3.609/4.077 3.874 ± 0.2978
5 1342 1342/1342 1342 ± 0.00002392 5.046 4.788/5.327 5.056 ± 0.2971
6 1342 1342/1342 1342 ± 0.00002392 5.073 4.855/5.337 5.06 ± 0.2613
7 1342 1342/1342 1342 ± 0.00002392 5.141 4.956/5.242 5.106 ± 0.2269
8 1342 1342/1342 1342 ± 0.00002392 5.071 4.924/5.227 5.056 ± 0.2529
9 1342 1342/1342 1342 ± 0.00002392 5.436 5.259/5.613 5.395 ± 0.265
10 1342 1342/1342 1342 ± 0.00002392 5.962 5.781/6.087 5.927 ± 0.2567
11 1342 1342/1342 1342 ± 0.00002392 6.226 6.097/6.307 6.179 ± 0.2614
12 1342 1342/1342 1342 ± 0.00002392 6.342 6.152/6.501 6.339 ± 0.3017
13 1342 1342/1342 1342 ± 0.00002392 6.789 6.555/6.96 6.753 ± 0.3117
14 1342 1342/1342 1342 ± 0.00002429 6.763 6.442/7.007 6.752 ± 0.384
15 1342 1342/1342 1342 ± 0.00002392 6.706 6.269/6.957 6.619 ± 0.3687
16 1342 1342/1342 1342 ± 0.000061 4.836 4.705/5.029 4.874 ± 0.246
17 1342 1342/1342 1342 ± 0.00006084 4.789 4.624/5.011 4.846 ± 0.2875
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
Start time
2025-07-22 21:39:01.107
End
2025-07-22 22:39:32.079
Duration
1:00:30.972
Note, WebLog generation is not included in the time.

CASA logs for stage 8