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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.611 5.291/6.155 5.752 ± 0.5438
ea02 1342 1342/1342 1342 ± 0.000004898 5.762 5.425/6.479 5.986 ± 0.6291
ea03 1342 1342/1342 1342 ± 0 5.419 4.786/6.001 5.436 ± 0.6531
ea04 1342 1342/1342 1342 ± 0 5.513 5.154/6.114 5.679 ± 0.5729
ea05 1342 1342/1342 1342 ± 0 5.831 5.35/6.324 5.902 ± 0.5986
ea06 1342 1342/1342 1342 ± 0 5.249 4.932/5.698 5.318 ± 0.4536
ea07 1342 1342/1342 1342 ± 0 6.023 5.486/6.247 6.007 ± 0.5718
ea08 1342 1342/1342 1342 ± 0.00001691 5.936 5.613/6.765 6.214 ± 0.6779
ea09 1342 1342/1342 1342 ± 0 5.772 5.26/6.392 5.846 ± 0.6381
ea10 1342 1342/1342 1342 ± 0.000003381 5.991 5.313/6.594 5.972 ± 0.6836
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.821 5.352/6.463 5.994 ± 0.675
ea13 1342 1342/1342 1342 ± 0 6.153 5.9/6.571 6.298 ± 0.5095
ea14 1342 1342/1342 1342 ± 0 5.865 5.349/6.447 5.945 ± 0.6763
ea15 1342 1342/1342 1342 ± 0 5.769 5.351/6.387 5.945 ± 0.6623
ea16 1342 1342/1342 1342 ± 0 6.127 5.671/6.758 6.281 ± 0.7056
ea17 1342 1342/1342 1342 ± 0.00002829 5.975 5.55/6.535 6.119 ± 0.6432
ea18 1342 1342/1342 1342 ± 0.000001513 5.067 4.735/5.521 5.143 ± 0.532
ea19 1342 1342/1342 1342 ± 0 6.062 5.603/6.759 6.263 ± 0.6625
ea20 1342 1342/1342 1342 ± 0 6.25 5.665/6.808 6.203 ± 0.6207
ea21 1342 1342/1342 1342 ± 0 5.791 5.418/6.354 5.93 ± 0.5735
ea22 1342 1342/1342 1342 ± 0.000001913 5.573 5.306/6.438 5.845 ± 0.6673
ea23 1342 1342/1342 1342 ± 0 6.038 5.494/6.467 6.11 ± 0.6862
ea25 1342 1342/1342 1342 ± 0.00001421 5.661 5.325/6.212 5.811 ± 0.5894
ea26 1342 1342/1342 1342 ± 0 6.083 5.64/6.759 6.232 ± 0.6822
ea27 1342 1342/1342 1342 ± 0.0000302 5.603 5.213/6.418 5.792 ± 0.6053
ea28 1342 1342/1342 1342 ± 0.0000404 5.86 5.458/6.503 6.008 ± 0.6623
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 ± 0.0000235 5.399 5.283/5.677 5.423 ± 0.2848
3 1342 1342/1342 1342 ± 0.00002456 5.34 5.091/5.531 5.314 ± 0.3056
4 1342 1342/1342 1342 ± 0.00002384 5.264 5.105/5.486 5.291 ± 0.3235
5 1342 1342/1342 1342 ± 0.0000235 5.414 5.15/5.526 5.363 ± 0.3251
6 1342 1342/1342 1342 ± 0.0000235 5.334 5.161/5.525 5.303 ± 0.325
7 1342 1342/1342 1342 ± 0.0000235 5.372 5.273/5.559 5.383 ± 0.2528
8 1342 1342/1342 1342 ± 0.0000235 5.401 5.162/5.555 5.338 ± 0.2683
9 1342 1342/1342 1342 ± 0.0000235 5.68 5.54/5.876 5.637 ± 0.3014
10 1342 1342/1342 1342 ± 0.0000235 6.139 5.97/6.258 6.084 ± 0.3049
11 1342 1342/1342 1342 ± 0.0000235 6.384 6.172/6.476 6.307 ± 0.3094
12 1342 1342/1342 1342 ± 0.00002394 6.552 6.31/6.672 6.468 ± 0.3282
13 1342 1342/1342 1342 ± 0.0000235 6.942 6.823/7.166 6.907 ± 0.351
14 1342 1342/1342 1342 ± 0.0000235 7.139 6.93/7.35 7.058 ± 0.3814
15 1342 1342/1342 1342 ± 0.0000235 6.826 6.529/6.978 6.741 ± 0.3762
16 1342 1342/1342 1342 ± 0.00004269 6.116 5.789/6.331 6.088 ± 0.3393
17 1342 1342/1342 1342 ± 0.00003741 6.136 5.896/6.344 6.097 ± 0.3368
overwrite_modelcol
False
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-04 08:46:44.210
End
2025-01-04 10:02:42.073
Duration
1:15:57.862
Note, WebLog generation is not included in the time.

CASA logs for stage 8