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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.261 5.831/6.902 6.342 ± 0.799
ea03 1342 1342/1342 1342 ± 0.000001892 5.623 5.079/6.541 5.731 ± 0.8923
ea04 1342 1342/1342 1342 ± 0 5.576 5.236/6.441 5.852 ± 0.8302
ea05 1342 1342/1342 1342 ± 0 6.267 5.628/7.065 6.349 ± 0.8168
ea06 1342 1342/1342 1342 ± 0 6.132 5.563/6.631 6.112 ± 0.775
ea07 1342 1342/1342 1342 ± 0 6.073 5.42/6.484 6.024 ± 0.8065
ea08 1342 1342/1342 1342 ± 0 6.097 5.489/6.852 6.166 ± 0.8026
ea09 1342 1342/1342 1342 ± 0 6.114 5.552/6.839 6.171 ± 0.8727
ea10 1342 1342/1342 1342 ± 0 6.327 5.634/7.118 6.273 ± 0.9249
ea11 1342 1342/1342 1342 ± 0 6.368 5.402/6.83 6.216 ± 0.8401
ea12 1342 1342/1342 1342 ± 0 6.526 5.708/6.953 6.433 ± 0.8362
ea13 1342 1342/1342 1342 ± 0 5.735 5.657/6.359 6.003 ± 0.5088
ea14 1342 1342/1342 1342 ± 0 6.334 5.69/6.963 6.334 ± 0.9106
ea15 1342 1342/1342 1342 ± 0 5.858 5.382/6.472 5.915 ± 0.7783
ea16 1342 1342/1342 1342 ± 0 6.517 5.883/7.051 6.453 ± 0.878
ea17 1342 1342/1342 1342 ± 0 6.824 6.252/7.828 6.955 ± 0.8552
ea18 1342 1342/1342 1342 ± 0 5.189 4.747/5.544 5.21 ± 0.4988
ea19 1342 1342/1342 1342 ± 0 6.416 5.889/7.112 6.475 ± 0.8884
ea20 1342 1342/1342 1342 ± 0 5.952 5.551/6.674 6.068 ± 0.8221
ea21 1342 1342/1342 1342 ± 0 5.419 5.139/6.012 5.603 ± 0.5385
ea22 1342 1342/1342 1342 ± 0.000007234 6.366 5.412/6.784 6.153 ± 0.7645
ea23 1342 1342/1342 1342 ± 0 6.328 5.738/6.891 6.402 ± 0.7726
ea24 1342 1342/1342 1342 ± 0 6.024 5.315/6.625 5.973 ± 0.6552
ea25 1342 1342/1342 1342 ± 0 6.768 5.695/7.196 6.57 ± 0.898
ea26 1342 1342/1342 1342 ± 0 6.71 6.12/7.494 6.706 ± 0.8844
ea27 1342 1342/1342 1342 ± 0 6.113 5.616/7.048 6.236 ± 0.8104
ea28 1342 1342/1342 1342 ± 0 6.273 5.845/7.077 6.48 ± 0.7836
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 ± 0.00002307 5.582 5.342/5.823 5.563 ± 0.3332
3 1342 1342/1342 1342 ± 0.00002448 5.256 5.015/5.419 5.248 ± 0.3294
4 1342 1342/1342 1342 ± 0.00003154 4.284 4.168/4.459 4.345 ± 0.2914
5 1342 1342/1342 1342 ± 0.00002307 5.686 5.319/5.776 5.583 ± 0.3445
6 1342 1342/1342 1342 ± 0.00002307 5.568 5.425/5.814 5.555 ± 0.3118
7 1342 1342/1342 1342 ± 0.00002307 5.652 5.409/5.775 5.611 ± 0.312
8 1342 1342/1342 1342 ± 0.00002307 5.548 5.31/5.809 5.546 ± 0.353
9 1342 1342/1342 1342 ± 0.00002307 5.885 5.654/6.142 5.862 ± 0.3495
10 1342 1342/1342 1342 ± 0.00002307 6.53 6.258/6.663 6.432 ± 0.3558
11 1342 1342/1342 1342 ± 0.00002307 6.767 6.504/6.908 6.683 ± 0.3777
12 1342 1342/1342 1342 ± 0.00002307 6.892 6.611/7.057 6.811 ± 0.4466
13 1342 1342/1342 1342 ± 0.00002307 7.382 7.106/7.713 7.341 ± 0.4837
14 1342 1342/1342 1342 ± 0.00002307 7.617 7.209/7.875 7.536 ± 0.492
15 1342 1342/1342 1342 ± 0.00002307 7.15 6.792/7.444 7.133 ± 0.4479
16 1342 1342/1342 1342 ± 0.00002307 6.416 6.237/6.827 6.455 ± 0.4427
17 1342 1342/1342 1342 ± 0.00002307 6.466 6.192/6.74 6.414 ± 0.463
datacolumn
residual_data
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-06-11 18:44:34.639
End
2025-06-11 20:03:18.745
Duration
1:18:44.106
Note, WebLog generation is not included in the time.

CASA logs for stage 8