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 5.585 5.33/6.279 5.56 ± 0.9779
ea02 1342 1342/1342 1342 ± 0.00003123 5.724 5.344/6.5 5.672 ± 0.9441
ea03 1342 1342/1342 1342 ± 0.000001853 5.448 5.351/6.433 5.708 ± 0.7473
ea04 1342 1342/1342 1342 ± 0.00004794 5.274 4.918/6.117 5.29 ± 0.7914
ea05 1342 1342/1342 1342 ± 0.00004958 5.474 5.129/6.461 5.51 ± 0.9386
ea06 1342 1342/1342 1342 ± 0.00002583 5.122 4.852/6.055 5.244 ± 0.795
ea07 1342 1342/1342 1342 ± 0.00004112 5.243 5.126/6.331 5.501 ± 0.9187
ea08 1342 1342/1342 1342 ± 0.000009945 6.036 5.583/6.906 5.942 ± 1.056
ea09 1342 1342/1342 1342 ± 0.00004615 5.165 4.831/6.148 5.283 ± 0.8334
ea10 1342 1342/1342 1342 ± 0.00004311 5.13 4.623/5.967 5.113 ± 0.7902
ea11 1342 1342/1342 1342 ± 0.00005128 5.189 4.557/6.108 5.111 ± 0.9507
ea13 1342 1342/1342 1342 ± 0.000008471 5.573 5.262/6.301 5.65 ± 0.6137
ea14 1342 1342/1342 1342 ± 0.00004771 5.486 5.261/6.589 5.613 ± 0.9221
ea15 1342 1342/1342 1342 ± 0.00004965 5.544 5.222/6.567 5.569 ± 0.986
ea16 1342 1342/1342 1342 ± 0.00002262 5.801 5.427/6.563 5.775 ± 0.9384
ea17 1342 1342/1342 1342 ± 0.00004045 5.728 5.417/6.669 5.81 ± 1.025
ea18 1342 1342/1342 1342 ± 0.00001052 5.995 5.694/6.971 6.045 ± 1.059
ea19 1342 1342/1342 1342 ± 0.00003976 5.426 5.247/6.45 5.506 ± 0.9285
ea20 1342 1342/1342 1342 ± 0.00002675 5.516 5.444/6.237 5.688 ± 0.6949
ea21 1342 1342/1342 1342 ± 0.00000262 5.11 4.886/5.683 5.184 ± 0.5887
ea22 1342 1342/1342 1342 ± 0.00001854 5.871 5.339/6.683 5.796 ± 1.007
ea23 1342 1342/1342 1342 ± 0.00004572 5.595 5.151/6.317 5.532 ± 0.8974
ea24 1342 1342/1342 1342 ± 0.00000136 5.224 5.137/6.547 5.631 ± 0.7151
ea25 1342 1342/1342 1342 ± 0.000008164 5.775 5.427/6.962 6.04 ± 0.8752
ea27 1342 1342/1342 1342 ± 0.0000151 5.272 5.011/6.42 5.432 ± 0.9035
ea28 1342 1342/1342 1342 ± 0 5.796 5.625/6.709 6.025 ± 0.7544
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 5.38 5.058/5.447 5.285 ± 0.2709
5 1342 1342/1342 1342 ± 0.00002708 5.323 5.119/5.633 5.377 ± 0.3834
6 1342 1342/1342 1342 ± 0.00002348 5.365 5.144/5.575 5.34 ± 0.2814
7 1342 1342/1342 1342 ± 0.00002348 5.363 5.184/5.538 5.332 ± 0.2615
8 1342 1342/1342 1342 ± 0.00002348 5.351 5.157/5.492 5.334 ± 0.2755
9 1342 1342/1342 1342 ± 0.00002348 5.569 5.387/5.82 5.589 ± 0.3125
10 1342 1342/1342 1342 ± 0.00002393 6.23 5.938/6.301 6.154 ± 0.3045
11 1342 1342/1342 1342 ± 0.00002348 6.496 6.281/6.633 6.45 ± 0.2797
12 1342 1342/1342 1342 ± 0.00002348 6.63 6.41/6.837 6.615 ± 0.3349
13 1342 1342/1342 1342 ± 0.0000235 6.75 6.414/7.017 6.738 ± 0.4192
14 1342 1342/1342 1342 ± 0.00005222 5.265 4.748/5.81 5.349 ± 0.7194
15 1342 1342/1342 1342 ± 0.00002348 6.679 6.187/7.026 6.608 ± 0.4866
16 1342 1342/1342 1342 ± 0.00006103 3.951 3.812/4.328 4.106 ± 0.4419
17 1342 1342/1342 1342 ± 0.00006101 3.841 3.713/4.091 3.945 ± 0.355
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
Start time
2025-07-19 07:52:38.567
End
2025-07-19 08:42:06.488
Duration
0:49:27.921
Note, WebLog generation is not included in the time.

CASA logs for stage 8