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

Statwt Summary Plot

VLASS3.2.sb45651824.eb45865366.60434.814344212966_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 6.165 5.166/6.537 5.936 ± 0.8318
ea02 1342 1342/1342 1342 ± 0 6.212 5.527/6.42 6.16 ± 0.6691
ea03 1342 1342/1342 1342 ± 0 6.204 5.266/6.639 6.016 ± 0.7505
ea04 1342 1342/1342 1342 ± 0.00002336 5.428 4.947/5.798 5.398 ± 0.5117
ea05 1342 1342/1342 1342 ± 0.00002255 5.661 5.275/6.455 5.901 ± 0.6266
ea06 1342 1342/1342 1342 ± 0 5.892 5.018/6.058 5.698 ± 0.6602
ea07 1342 1342/1342 1342 ± 0 6.082 5.07/6.224 5.847 ± 0.7415
ea08 1342 1342/1342 1342 ± 0 6.431 5.541/6.771 6.247 ± 0.7803
ea09 1342 1342/1342 1342 ± 0.000009805 5.829 5.011/6.36 5.753 ± 0.6919
ea10 1342 1342/1342 1342 ± 0.0000127 5.343 4.813/6 5.423 ± 0.6355
ea11 1342 1342/1342 1342 ± 0.00002998 5.294 4.872/6.09 5.476 ± 0.7004
ea12 1342 1342/1342 1342 ± 0 5.518 5.116/6.261 5.679 ± 0.6072
ea13 1342 1342/1342 1342 ± 0 6.224 5.491/6.316 6.045 ± 0.5703
ea14 1342 1342/1342 1342 ± 0.000007219 5.733 5.4/6.461 5.957 ± 0.6039
ea15 1342 1342/1342 1342 ± 0.00002483 6.35 5.609/6.756 6.336 ± 0.7363
ea16 1342 1342/1342 1342 ± 0 6.256 5.505/6.642 6.165 ± 0.7826
ea17 1342 1342/1342 1342 ± 0.00001776 6.211 5.492/6.92 6.135 ± 0.7557
ea18 1342 1342/1342 1342 ± 0 6.378 5.717/7.188 6.438 ± 0.7693
ea19 1342 1342/1342 1342 ± 0 5.849 4.785/6.55 5.734 ± 0.8355
ea20 1342 1342/1342 1342 ± 0 6.877 6.487/7.02 6.838 ± 0.3121
ea21 1342 1342/1342 1342 ± 0 5.593 4.998/5.91 5.549 ± 0.5365
ea22 1342 1342/1342 1342 ± 0 6.28 5.415/6.657 6.01 ± 0.7848
ea23 1342 1342/1342 1342 ± 0.000001166 5.739 5.183/6.29 5.818 ± 0.7515
ea24 1342 1342/1342 1342 ± 0 6.164 5.006/6.521 5.796 ± 0.8218
ea25 1342 1342/1342 1342 ± 0 6.506 5.293/6.947 6.305 ± 0.9244
ea27 1342 1342/1342 1342 ± 0 5.832 4.993/6.381 5.755 ± 0.6761
ea28 1342 1342/1342 1342 ± 0 6.53 5.563/6.998 6.384 ± 0.7565
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 5.015 4.764/5.262 5.042 ± 0.3346
4 1342 1342/1342 1342 ± 0.00004772 4.969 4.774/5.311 4.957 ± 0.3472
5 1342 1342/1342 1342 ± 0.00002348 5.256 5.051/5.586 5.288 ± 0.3047
6 1342 1342/1342 1342 ± 0.00002348 5.11 4.892/5.505 5.143 ± 0.3101
7 1342 1342/1342 1342 ± 0.00002348 5.216 4.973/5.38 5.196 ± 0.2627
8 1342 1342/1342 1342 ± 0.00002348 5.124 4.993/5.355 5.144 ± 0.2899
9 1342 1342/1342 1342 ± 0.00002348 5.394 5.152/5.698 5.434 ± 0.2869
10 1342 1342/1342 1342 ± 0.00002392 6.13 6.002/6.317 6.105 ± 0.281
11 1342 1342/1342 1342 ± 0.00002348 6.331 6.142/6.421 6.317 ± 0.2975
12 1342 1342/1342 1342 ± 0.00002341 6.513 6.257/6.661 6.464 ± 0.3348
13 1342 1342/1342 1342 ± 0.00002331 6.941 6.655/7.189 6.911 ± 0.3625
14 1342 1342/1342 1342 ± 0.00002341 7.122 6.8/7.418 7.085 ± 0.4062
15 1342 1342/1342 1342 ± 0.00002341 6.757 6.499/7.117 6.752 ± 0.4087
16 1342 1342/1342 1342 ± 0.0000386 6.137 5.724/6.363 6.075 ± 0.4548
17 1342 1342/1342 1342 ± 0.00003041 6.22 5.752/6.374 6.07 ± 0.428
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-24 12:24:03.442
End
2025-07-24 13:39:56.992
Duration
1:15:53.550
Note, WebLog generation is not included in the time.

CASA logs for stage 8