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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.573 5.4/6.187 5.722 ± 0.6805
ea02 1342 1342/1342 1342 ± 0.000007537 5.454 5.268/6.348 5.663 ± 0.6827
ea03 1342 1342/1342 1342 ± 0 5.453 5.281/6.393 5.776 ± 0.6156
ea04 1342 1342/1342 1342 ± 0.000024 5.252 4.908/6.028 5.335 ± 0.6339
ea05 1342 1342/1342 1342 ± 0.00003564 5.25 5.076/6.269 5.502 ± 0.7273
ea06 1342 1342/1342 1342 ± 0 5.265 4.88/5.899 5.389 ± 0.5509
ea07 1342 1342/1342 1342 ± 0.00001135 5.181 4.92/6.161 5.48 ± 0.6944
ea08 1342 1342/1342 1342 ± 0.00003135 5.544 5.393/6.679 5.805 ± 0.8481
ea09 1342 1342/1342 1342 ± 0.000007765 5.133 4.871/5.715 5.323 ± 0.5438
ea10 1342 1342/1342 1342 ± 0.00002664 4.756 4.478/5.016 4.687 ± 0.4216
ea11 1342 1342/1342 1342 ± 0.00004404 5.553 4.887/6.376 5.584 ± 0.8336
ea12 1342 1342/1342 1342 ± 0.000006427 5.144 4.808/5.849 5.267 ± 0.6029
ea14 1342 1342/1342 1342 ± 0.00002869 5.422 5.259/6.283 5.624 ± 0.6849
ea15 1342 1342/1342 1342 ± 0.00004261 5.485 5.347/6.088 5.691 ± 0.6961
ea16 1342 1342/1342 1342 ± 0 5.827 5.323/6.537 5.915 ± 0.6675
ea17 1342 1342/1342 1342 ± 0.00001695 5.683 5.21/6.548 5.873 ± 0.7657
ea18 1342 1342/1342 1342 ± 0.00003214 5.717 5.435/6.68 5.826 ± 0.8757
ea19 1342 1342/1342 1342 ± 0.000002517 5.404 5.141/6.27 5.558 ± 0.6736
ea20 1342 1342/1342 1342 ± 0 5.983 5.718/6.819 6.218 ± 0.6511
ea21 1342 1342/1342 1342 ± 0 5.134 4.971/5.815 5.342 ± 0.5244
ea22 1342 1342/1342 1342 ± 0.000002528 5.53 5.113/6.319 5.584 ± 0.7431
ea23 1342 1342/1342 1342 ± 0.0000213 5.603 5.04/6.343 5.69 ± 0.7344
ea24 1342 1342/1342 1342 ± 0 5.59 5.176/6.292 5.723 ± 0.5855
ea25 1342 1342/1342 1342 ± 0 5.996 5.536/6.813 6.203 ± 0.7576
ea27 1342 1342/1342 1342 ± 0 5.192 4.976/6.056 5.372 ± 0.6739
ea28 1342 1342/1342 1342 ± 0 5.855 5.671/6.753 6.153 ± 0.6381
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 ± 0.00002359 5.252 5.04/5.395 5.236 ± 0.2507
5 1342 1342/1342 1342 ± 0.00002359 5.124 4.824/5.394 5.124 ± 0.3417
6 1342 1342/1342 1342 ± 0.00002359 5.179 4.927/5.45 5.197 ± 0.2706
7 1342 1342/1342 1342 ± 0.00002359 5.277 5.135/5.508 5.303 ± 0.2659
8 1342 1342/1342 1342 ± 0.00002359 5.293 5.062/5.543 5.278 ± 0.3208
9 1342 1342/1342 1342 ± 0.00002359 5.549 5.403/5.852 5.572 ± 0.3299
10 1342 1342/1342 1342 ± 0.00002359 6.056 5.889/6.218 6.014 ± 0.3303
11 1342 1342/1342 1342 ± 0.00002359 6.328 6.16/6.545 6.293 ± 0.3483
12 1342 1342/1342 1342 ± 0.00002359 6.481 6.184/6.643 6.435 ± 0.4199
13 1342 1342/1342 1342 ± 0.00002359 6.73 6.528/7.061 6.741 ± 0.5237
14 1342 1342/1342 1342 ± 0.00002597 5.688 5.389/6.244 5.898 ± 0.6821
15 1342 1342/1342 1342 ± 0.00002359 6.275 6.001/6.676 6.272 ± 0.4746
16 1342 1342/1342 1342 ± 0.00005072 4.642 4.419/5.081 4.82 ± 0.576
17 1342 1342/1342 1342 ± 0.00005292 4.508 4.304/4.861 4.624 ± 0.445
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-08-07 09:41:56.501
End
2025-08-07 10:04:38.788
Duration
0:22:42.287
Note, WebLog generation is not included in the time.

CASA logs for stage 8