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 6.305 5.755/6.708 6.273 ± 0.6197
ea02 1342 1342/1342 1342 ± 0 6.398 5.788/6.662 6.344 ± 0.6059
ea03 1342 1342/1342 1342 ± 0 6.202 5.516/6.813 6.251 ± 0.7292
ea04 1342 1342/1342 1342 ± 0 5.563 5.031/5.967 5.603 ± 0.5312
ea05 1342 1342/1342 1342 ± 0 5.905 5.468/6.73 6.048 ± 0.6421
ea06 1342 1342/1342 1342 ± 0 6.068 5.208/6.237 5.839 ± 0.629
ea07 1342 1342/1342 1342 ± 0 6.116 5.328/6.486 6.003 ± 0.6714
ea08 1342 1342/1342 1342 ± 0 6.641 5.849/6.896 6.489 ± 0.6386
ea09 1342 1342/1342 1342 ± 0 5.818 5.324/6.574 5.948 ± 0.6554
ea10 1342 1342/1342 1342 ± 0 5.628 5.152/6.046 5.624 ± 0.5263
ea11 1342 1342/1342 1342 ± 0 5.502 5.274/6.379 5.759 ± 0.6657
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.803 5.606/6.306 5.985 ± 0.4813
ea14 1342 1342/1342 1342 ± 0 6.255 5.649/6.587 6.225 ± 0.5653
ea15 1342 1342/1342 1342 ± 0 6.281 5.751/6.748 6.33 ± 0.6742
ea16 1342 1342/1342 1342 ± 0 6.329 5.862/6.848 6.423 ± 0.7063
ea17 1342 1342/1342 1342 ± 0 6.216 5.799/7.016 6.392 ± 0.6507
ea18 1342 1342/1342 1342 ± 0 6.424 5.861/7.007 6.384 ± 0.6121
ea19 1342 1342/1342 1342 ± 0 6.162 5.526/6.677 6.128 ± 0.6088
ea20 1342 1342/1342 1342 ± 0 5.945 5.687/6.8 6.193 ± 0.6018
ea21 1342 1342/1342 1342 ± 0 5.552 5.192/6.016 5.653 ± 0.505
ea22 1342 1342/1342 1342 ± 0 6.373 5.719/6.762 6.277 ± 0.628
ea23 1342 1342/1342 1342 ± 0 6.336 5.604/6.463 6.22 ± 0.6581
ea24 1342 1342/1342 1342 ± 0 6.135 5.336/6.693 5.999 ± 0.6541
ea25 1342 1342/1342 1342 ± 0 6.475 5.734/7.04 6.491 ± 0.7681
ea27 1342 1342/1342 1342 ± 0 6.106 5.437/6.62 6.04 ± 0.6563
ea28 1342 1342/1342 1342 ± 0 6.319 5.815/7.037 6.44 ± 0.6278
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 ± 0.00002349 5.587 5.386/5.773 5.577 ± 0.2599
4 1342 1342/1342 1342 ± 0.00002396 5.396 5.224/5.772 5.48 ± 0.3396
5 1342 1342/1342 1342 ± 0.00002349 5.568 5.276/5.759 5.536 ± 0.3054
6 1342 1342/1342 1342 ± 0.00002349 5.498 5.262/5.663 5.465 ± 0.2912
7 1342 1342/1342 1342 ± 0.00002349 5.575 5.397/5.732 5.537 ± 0.251
8 1342 1342/1342 1342 ± 0.00002349 5.509 5.28/5.686 5.466 ± 0.2748
9 1342 1342/1342 1342 ± 0.00002349 5.791 5.671/5.994 5.787 ± 0.2746
10 1342 1342/1342 1342 ± 0.00002349 6.274 6.117/6.373 6.225 ± 0.2457
11 1342 1342/1342 1342 ± 0.00002349 6.472 6.315/6.602 6.449 ± 0.2636
12 1342 1342/1342 1342 ± 0.00002349 6.688 6.334/6.816 6.595 ± 0.3094
13 1342 1342/1342 1342 ± 0.00002349 7.066 6.888/7.297 7.032 ± 0.3334
14 1342 1342/1342 1342 ± 0.00002349 7.332 7.015/7.517 7.258 ± 0.3475
15 1342 1342/1342 1342 ± 0.00002349 6.97 6.734/7.258 6.947 ± 0.3722
16 1342 1342/1342 1342 ± 0.00002349 6.322 5.94/6.622 6.292 ± 0.4053
17 1342 1342/1342 1342 ± 0.00002349 6.337 6.001/6.539 6.262 ± 0.3598
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-25 16:28:18.043
End
2025-07-25 17:46:24.507
Duration
1:18:06.465
Note, WebLog generation is not included in the time.

CASA logs for stage 8