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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.446 5.154/6.507 5.694 ± 0.8512
ea02 1342 1342/1342 1342 ± 0.00001082 5.595 5.24/6.338 5.691 ± 0.8696
ea03 1342 1342/1342 1342 ± 0 5.45 5.087/6.53 5.686 ± 0.8669
ea04 1342 1342/1342 1342 ± 0.00004788 5.029 4.874/5.961 5.212 ± 0.8548
ea05 1342 1342/1342 1342 ± 0.00004291 5.245 5.015/6.363 5.48 ± 0.9236
ea06 1342 1342/1342 1342 ± 0.00000224 5.161 4.725/5.833 5.308 ± 0.7651
ea07 1342 1342/1342 1342 ± 0.00001944 5.089 4.903/6.183 5.383 ± 1.046
ea08 1342 1342/1342 1342 ± 0 5.567 5.223/6.673 5.828 ± 0.9452
ea09 1342 1342/1342 1342 ± 0.00004172 4.913 4.709/6.064 5.202 ± 0.769
ea10 1342 1342/1342 1342 ± 0.00004648 4.973 4.639/6.047 5.21 ± 0.8134
ea11 1342 1342/1342 1342 ± 0.00004694 5.126 4.601/6.185 5.166 ± 1.03
ea12 1342 1342/1342 1342 ± 0.0000398 5.018 4.812/5.976 5.217 ± 0.8033
ea14 1342 1342/1342 1342 ± 0.00004289 5.501 5.014/6.421 5.68 ± 0.795
ea15 1342 1342/1342 1342 ± 0.00004549 5.4 5.082/6.527 5.738 ± 0.9385
ea16 1342 1342/1342 1342 ± 0 5.592 5.324/6.5 5.745 ± 0.894
ea17 1342 1342/1342 1342 ± 0.00002916 5.518 5.145/6.489 5.63 ± 1.034
ea18 1342 1342/1342 1342 ± 0 5.625 5.392/6.714 5.91 ± 0.9075
ea19 1342 1342/1342 1342 ± 0.00002755 5.077 4.966/6.222 5.427 ± 0.8923
ea20 1342 1342/1342 1342 ± 0.00003721 5.705 5.404/6.832 5.917 ± 0.9832
ea21 1342 1342/1342 1342 ± 0 5.074 4.905/5.833 5.288 ± 0.6644
ea22 1342 1342/1342 1342 ± 0 5.531 5.056/6.429 5.596 ± 0.9813
ea23 1342 1342/1342 1342 ± 0.00004499 5.44 5.002/6.284 5.651 ± 0.8288
ea24 1342 1342/1342 1342 ± 0.00002024 5.379 5.013/6.56 5.609 ± 0.8542
ea25 1342 1342/1342 1342 ± 0 5.86 5.341/6.743 6.014 ± 0.9368
ea27 1342 1342/1342 1342 ± 0.00000224 5.143 5.006/6.321 5.522 ± 0.7806
ea28 1342 1342/1342 1342 ± 0.00003153 5.627 5.451/6.904 5.944 ± 0.8922
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 5.039 4.899/5.237 5.074 ± 0.277
3 1342 1342/1342 1342 ± 0.00003509 3.782 3.454/4.35 3.921 ± 0.5998
4 1342 1342/1342 1342 ± 0.00004415 3.848 3.682/3.971 3.836 ± 0.2291
5 1342 1342/1342 1342 ± 0.00002348 5.083 4.931/5.446 5.159 ± 0.304
6 1342 1342/1342 1342 ± 0.00002348 5.126 4.886/5.377 5.137 ± 0.284
7 1342 1342/1342 1342 ± 0.00002348 5.224 4.967/5.373 5.185 ± 0.259
8 1342 1342/1342 1342 ± 0.00002348 5.122 4.966/5.42 5.159 ± 0.2957
9 1342 1342/1342 1342 ± 0.00002348 5.505 5.225/5.705 5.484 ± 0.3037
10 1342 1342/1342 1342 ± 0.00002348 6.057 5.839/6.147 6.014 ± 0.273
11 1342 1342/1342 1342 ± 0.00002348 6.261 6.124/6.413 6.255 ± 0.2801
12 1342 1342/1342 1342 ± 0.00002348 6.454 6.194/6.574 6.422 ± 0.3188
13 1342 1342/1342 1342 ± 0.00002348 6.887 6.614/7.117 6.868 ± 0.3323
14 1342 1342/1342 1342 ± 0.00002348 6.823 6.578/7.112 6.821 ± 0.3814
15 1342 1342/1342 1342 ± 0.00002348 6.816 6.352/7.043 6.721 ± 0.3417
16 1342 1342/1342 1342 ± 0.00006095 4.95 4.758/5.115 4.983 ± 0.2945
17 1342 1342/1342 1342 ± 0.00006076 5.028 4.827/5.246 5.068 ± 0.2934
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-08-07 01:58:26.365
End
2025-08-07 02:25:44.870
Duration
0:27:18.505
Note, WebLog generation is not included in the time.

CASA logs for stage 8