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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.481 5.328/6.127 5.631 ± 0.7045
ea02 1342 1342/1342 1342 ± 0.00002651 5.545 5.057/6.267 5.55 ± 0.7025
ea03 1342 1342/1342 1342 ± 0 5.323 5.143/6.233 5.662 ± 0.619
ea04 1342 1342/1342 1342 ± 0.00003704 5.059 4.78/5.836 5.18 ± 0.5873
ea05 1342 1342/1342 1342 ± 0.00004193 5.205 4.961/6.125 5.427 ± 0.699
ea06 1342 1342/1342 1342 ± 0 5.179 4.676/5.74 5.196 ± 0.5664
ea07 1342 1342/1342 1342 ± 0.00002454 5.154 4.796/5.985 5.349 ± 0.6554
ea08 1342 1342/1342 1342 ± 0.00001554 5.514 5.323/6.56 5.762 ± 0.7036
ea09 1342 1342/1342 1342 ± 0.00004142 5.112 4.845/5.892 5.426 ± 0.7751
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00004401 5.24 4.532/6.037 5.315 ± 0.781
ea12 1342 1342/1342 1342 ± 0.00002765 5.079 4.71/5.729 5.167 ± 0.6275
ea14 1342 1342/1342 1342 ± 0.00003919 5.315 5.148/6.243 5.517 ± 0.6506
ea15 1342 1342/1342 1342 ± 0.00004281 5.626 5.308/6.448 5.699 ± 0.7823
ea16 1342 1342/1342 1342 ± 0.000003456 5.677 5.156/6.261 5.755 ± 0.6942
ea17 1342 1342/1342 1342 ± 0.00002981 5.589 5.125/6.423 5.765 ± 0.751
ea18 1342 1342/1342 1342 ± 0.000009334 5.597 5.333/6.497 5.781 ± 0.6992
ea19 1342 1342/1342 1342 ± 0.00001288 5.271 5.057/6.112 5.428 ± 0.7109
ea20 1342 1342/1342 1342 ± 0.000001996 5.815 5.541/6.646 6.049 ± 0.6919
ea21 1342 1342/1342 1342 ± 0 5.011 4.841/5.647 5.21 ± 0.5097
ea22 1342 1342/1342 1342 ± 0.00001776 5.417 5.015/6.243 5.521 ± 0.6362
ea23 1342 1342/1342 1342 ± 0.00003762 5.485 5.009/6.242 5.595 ± 0.7008
ea24 1342 1342/1342 1342 ± 0 5.279 5.049/6.142 5.569 ± 0.5873
ea25 1342 1342/1342 1342 ± 0 5.807 5.414/6.524 6.061 ± 0.754
ea27 1342 1342/1342 1342 ± 0 5.157 4.878/6.046 5.297 ± 0.7258
ea28 1342 1342/1342 1342 ± 0 5.673 5.516/6.61 5.983 ± 0.6422
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 ± 0.00002436 5.138 4.935/5.319 5.135 ± 0.259
5 1342 1342/1342 1342 ± 0.0000249 5.086 4.779/5.273 5.066 ± 0.3361
6 1342 1342/1342 1342 ± 0.00002486 5.077 4.845/5.378 5.098 ± 0.2819
7 1342 1342/1342 1342 ± 0.00002436 5.242 5.045/5.407 5.229 ± 0.2385
8 1342 1342/1342 1342 ± 0.00002436 5.153 4.968/5.357 5.174 ± 0.2659
9 1342 1342/1342 1342 ± 0.00002436 5.501 5.299/5.685 5.49 ± 0.2586
10 1342 1342/1342 1342 ± 0.00002436 5.969 5.775/6.07 5.929 ± 0.2616
11 1342 1342/1342 1342 ± 0.00002436 6.237 6.118/6.43 6.211 ± 0.2746
12 1342 1342/1342 1342 ± 0.00002436 6.367 6.245/6.556 6.391 ± 0.3203
13 1342 1342/1342 1342 ± 0.00002436 6.622 6.373/6.937 6.663 ± 0.4095
14 1342 1342/1342 1342 ± 0.00002617 5.749 5.482/6.331 5.93 ± 0.6036
15 1342 1342/1342 1342 ± 0.00002437 6.219 5.948/6.52 6.21 ± 0.392
16 1342 1342/1342 1342 ± 0.00005725 4.559 4.333/4.872 4.666 ± 0.4663
17 1342 1342/1342 1342 ± 0.000058 4.537 4.352/4.795 4.613 ± 0.3791
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-07-23 12:40:40.829
End
2025-07-23 13:50:45.276
Duration
1:10:04.447
Note, WebLog generation is not included in the time.

CASA logs for stage 8