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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.542 5.017/6.265 5.477 ± 1.084
ea02 1342 1342/1342 1342 ± 0.0000362 5.584 5.298/6.458 5.602 ± 0.9933
ea03 1342 1342/1342 1342 ± 0.000004141 5.448 5.275/6.594 5.77 ± 0.8392
ea04 1342 1342/1342 1342 ± 0.00004537 5.199 5.037/6.065 5.27 ± 0.7971
ea05 1342 1342/1342 1342 ± 0.00005154 5.393 4.827/6.476 5.433 ± 1.039
ea06 1342 1342/1342 1342 ± 0.00003006 5.192 4.827/6.075 5.287 ± 0.8817
ea07 1342 1342/1342 1342 ± 0.0000426 5.235 5.06/6.332 5.437 ± 1.002
ea08 1342 1342/1342 1342 ± 0.00001419 5.752 5.531/6.834 5.867 ± 1.046
ea09 1342 1342/1342 1342 ± 0.00004856 5.147 4.756/6.129 5.174 ± 0.9224
ea10 1342 1342/1342 1342 ± 0.00004951 5.067 4.677/5.952 5.06 ± 0.8793
ea11 1342 1342/1342 1342 ± 0.00005205 5.234 4.594/6.129 5.083 ± 1.043
ea13 1342 1342/1342 1342 ± 0.00003187 5.268 5.145/6.044 5.313 ± 0.701
ea14 1342 1342/1342 1342 ± 0.00005066 5.54 5.237/6.548 5.559 ± 1.025
ea15 1342 1342/1342 1342 ± 0.0000503 5.538 5.062/6.649 5.565 ± 1.067
ea16 1342 1342/1342 1342 ± 0.00002771 5.826 5.4/6.588 5.85 ± 1.041
ea17 1342 1342/1342 1342 ± 0.00004367 5.741 5.336/6.67 5.74 ± 1.125
ea18 1342 1342/1342 1342 ± 0.0000122 5.815 5.535/6.867 5.97 ± 1.014
ea19 1342 1342/1342 1342 ± 0.00004479 5.509 5.33/6.447 5.524 ± 0.9904
ea20 1342 1342/1342 1342 ± 0.0000431 5.295 5.045/6.058 5.331 ± 0.8313
ea21 1342 1342/1342 1342 ± 0.000009238 5.066 4.898/5.839 5.251 ± 0.6675
ea22 1342 1342/1342 1342 ± 0.00002608 5.679 5.278/6.545 5.687 ± 1.003
ea23 1342 1342/1342 1342 ± 0.00004953 5.682 5.057/6.413 5.56 ± 1.024
ea24 1342 1342/1342 1342 ± 0.00001962 4.94 4.689/5.836 5.23 ± 0.7153
ea25 1342 1342/1342 1342 ± 0.00001543 5.737 5.416/6.941 6.084 ± 1.016
ea27 1342 1342/1342 1342 ± 0.00002131 5.321 5.062/6.488 5.464 ± 0.9764
ea28 1342 1342/1342 1342 ± 0.000004721 5.57 5.499/6.569 5.707 ± 0.8408
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 ± 0.00002351 5.279 5.064/5.415 5.228 ± 0.2648
5 1342 1342/1342 1342 ± 0.00003206 5.095 4.851/5.45 5.137 ± 0.3851
6 1342 1342/1342 1342 ± 0.00002351 5.292 5.067/5.529 5.29 ± 0.2846
7 1342 1342/1342 1342 ± 0.00002351 5.326 5.155/5.494 5.295 ± 0.2599
8 1342 1342/1342 1342 ± 0.00002351 5.322 5.101/5.503 5.296 ± 0.2795
9 1342 1342/1342 1342 ± 0.00002351 5.515 5.284/5.809 5.52 ± 0.3108
10 1342 1342/1342 1342 ± 0.00002393 6.095 6.005/6.298 6.117 ± 0.2759
11 1342 1342/1342 1342 ± 0.00002348 6.452 6.129/6.573 6.39 ± 0.272
12 1342 1342/1342 1342 ± 0.00002348 6.61 6.383/6.811 6.553 ± 0.3244
13 1342 1342/1342 1342 ± 0.00002365 6.726 6.34/6.96 6.699 ± 0.4203
14 1342 1342/1342 1342 ± 0.00005775 5.218 4.883/5.824 5.42 ± 0.7732
15 1342 1342/1342 1342 ± 0.00002348 6.74 6.182/7.097 6.681 ± 0.5062
16 1342 1342/1342 1342 ± 0.00005933 3.683 3.53/3.967 3.792 ± 0.3996
17 1342 1342/1342 1342 ± 0.00005993 3.664 3.465/3.953 3.713 ± 0.3668
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-07-19 12:01:42.211
End
2025-07-19 12:50:03.412
Duration
0:48:21.201
Note, WebLog generation is not included in the time.

CASA logs for stage 8