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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.179 5.622/6.585 6.156 ± 0.6117
ea02 1342 1342/1342 1342 ± 0 6.298 5.622/6.533 6.228 ± 0.6227
ea03 1342 1342/1342 1342 ± 0 6.126 5.39/6.771 6.165 ± 0.7318
ea04 1342 1342/1342 1342 ± 0 5.573 5.007/5.985 5.584 ± 0.5568
ea05 1342 1342/1342 1342 ± 0.00002028 5.85 5.326/6.65 5.973 ± 0.6457
ea06 1342 1342/1342 1342 ± 0 5.981 5.03/6.079 5.728 ± 0.6349
ea07 1342 1342/1342 1342 ± 0 6.043 5.239/6.239 5.876 ± 0.6572
ea08 1342 1342/1342 1342 ± 0 6.455 5.626/6.839 6.381 ± 0.6673
ea09 1342 1342/1342 1342 ± 0.00001203 5.739 5.206/6.471 5.827 ± 0.6422
ea10 1342 1342/1342 1342 ± 0 5.533 5.085/6.045 5.56 ± 0.5441
ea11 1342 1342/1342 1342 ± 0.00002541 5.478 5.215/6.269 5.696 ± 0.6415
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.633 5.39/6.097 5.765 ± 0.4565
ea14 1342 1342/1342 1342 ± 0 5.835 5.512/6.441 6.03 ± 0.5466
ea15 1342 1342/1342 1342 ± 0.00002303 6.113 5.575/6.602 6.168 ± 0.68
ea16 1342 1342/1342 1342 ± 0 6.239 5.681/6.783 6.311 ± 0.7166
ea17 1342 1342/1342 1342 ± 0 6.169 5.68/6.881 6.248 ± 0.629
ea18 1342 1342/1342 1342 ± 0 6.27 5.73/6.82 6.229 ± 0.599
ea19 1342 1342/1342 1342 ± 0 6.079 5.431/6.606 6.025 ± 0.5964
ea20 1342 1342/1342 1342 ± 0 5.825 5.544/6.589 6.003 ± 0.5908
ea21 1342 1342/1342 1342 ± 0 5.52 5.14/6.013 5.616 ± 0.5232
ea22 1342 1342/1342 1342 ± 0 6.306 5.608/6.758 6.205 ± 0.6402
ea23 1342 1342/1342 1342 ± 0 6.269 5.48/6.458 6.151 ± 0.6627
ea24 1342 1342/1342 1342 ± 0 5.979 5.338/6.545 5.9 ± 0.6042
ea25 1342 1342/1342 1342 ± 0 6.425 5.654/6.905 6.455 ± 0.7803
ea27 1342 1342/1342 1342 ± 0 6.07 5.337/6.583 5.963 ± 0.6604
ea28 1342 1342/1342 1342 ± 0 6.149 5.664/6.861 6.265 ± 0.607
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 5.454 5.32/5.629 5.464 ± 0.2436
4 1342 1342/1342 1342 ± 0.0000246 5.246 5.114/5.528 5.31 ± 0.3209
5 1342 1342/1342 1342 ± 0.00002348 5.397 5.155/5.642 5.406 ± 0.2822
6 1342 1342/1342 1342 ± 0.00002348 5.416 5.178/5.552 5.389 ± 0.2779
7 1342 1342/1342 1342 ± 0.00002348 5.455 5.306/5.622 5.433 ± 0.2292
8 1342 1342/1342 1342 ± 0.00002348 5.431 5.197/5.545 5.379 ± 0.2582
9 1342 1342/1342 1342 ± 0.00002348 5.737 5.551/5.92 5.703 ± 0.2655
10 1342 1342/1342 1342 ± 0.00002348 6.167 6.068/6.27 6.142 ± 0.2299
11 1342 1342/1342 1342 ± 0.00002348 6.414 6.226/6.536 6.367 ± 0.2458
12 1342 1342/1342 1342 ± 0.00002348 6.588 6.262/6.769 6.511 ± 0.29
13 1342 1342/1342 1342 ± 0.00002348 6.959 6.747/7.215 6.941 ± 0.3231
14 1342 1342/1342 1342 ± 0.00002348 7.111 6.875/7.349 7.129 ± 0.3369
15 1342 1342/1342 1342 ± 0.00002348 6.814 6.572/7.124 6.812 ± 0.3628
16 1342 1342/1342 1342 ± 0.00003297 6.191 5.813/6.41 6.142 ± 0.3746
17 1342 1342/1342 1342 ± 0.00003028 6.143 5.853/6.307 6.098 ± 0.338
output_dir
 
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-08-03 09:27:17.894
End
2025-08-03 10:01:16.767
Duration
0:33:58.873
Note, WebLog generation is not included in the time.

CASA logs for stage 8