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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.847 5.633/6.229 5.967 ± 0.446
ea02 1342 1342/1342 1342 ± 0 5.88 5.449/6.391 5.955 ± 0.5331
ea03 1342 1342/1342 1342 ± 0.00003074 5.055 4.977/6.122 5.438 ± 0.5718
ea04 1342 1342/1342 1342 ± 0.000001699 5.16 4.847/5.313 5.149 ± 0.3153
ea06 1342 1342/1342 1342 ± 0 5.726 5.38/6.086 5.783 ± 0.4458
ea07 1342 1342/1342 1342 ± 0 5.41 5.159/5.67 5.432 ± 0.3439
ea08 1342 1342/1342 1342 ± 0.0000269 6.033 5.771/6.48 6.138 ± 0.487
ea09 1342 1342/1342 1342 ± 0.00000588 5.733 5.36/6.371 5.863 ± 0.5195
ea10 1342 1342/1342 1342 ± 0 5.534 5.289/6.104 5.673 ± 0.4194
ea11 1342 1342/1342 1342 ± 0 5.763 5.64/6.372 5.985 ± 0.5222
ea12 1342 1342/1342 1342 ± 0 5.72 5.52/6.326 5.894 ± 0.5145
ea13 1342 1342/1342 1342 ± 0.00001503 6.022 5.534/6.322 5.979 ± 0.5202
ea14 1342 1342/1342 1342 ± 0 5.657 5.372/6.204 5.82 ± 0.4778
ea15 1342 1342/1342 1342 ± 0 5.549 5.293/6.183 5.73 ± 0.5316
ea16 1342 1342/1342 1342 ± 0 5.711 5.431/6.049 5.768 ± 0.4366
ea17 1342 1342/1342 1342 ± 0 6.248 6.039/6.842 6.417 ± 0.4555
ea18 1342 1342/1342 1342 ± 0 4.548 4.338/4.791 4.584 ± 0.3035
ea19 1342 1342/1342 1342 ± 0 5.767 5.694/6.506 6.054 ± 0.4894
ea20 1342 1342/1342 1342 ± 0 5.718 5.479/6.488 5.913 ± 0.5142
ea21 1342 1342/1342 1342 ± 0 5.662 5.384/6.078 5.769 ± 0.4137
ea22 1342 1342/1342 1342 ± 0 5.821 5.642/6.32 5.911 ± 0.4503
ea23 1342 1342/1342 1342 ± 0 5.777 5.61/6.368 6.011 ± 0.5558
ea24 1342 1342/1342 1342 ± 0 5.752 5.308/6.288 5.741 ± 0.4991
ea25 1342 1342/1342 1342 ± 0 5.358 5.079/5.585 5.46 ± 0.4303
ea26 1342 1342/1342 1342 ± 0 5.713 5.638/6.545 5.986 ± 0.4635
ea27 1342 1342/1342 1342 ± 0 5.529 5.403/6.332 5.809 ± 0.5176
ea28 1342 1342/1342 1342 ± 0.000003603 5.605 5.488/6.326 5.883 ± 0.5293
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 5.661 5.528/5.858 5.612 ± 0.3431
4 1342 1342/1342 1342 ± 0.00002559 5.38 5.119/5.637 5.385 ± 0.4858
5 1342 1342/1342 1342 ± 0.00002307 5.516 5.314/5.742 5.476 ± 0.3793
6 1342 1342/1342 1342 ± 0.00002307 5.421 5.336/5.645 5.402 ± 0.3202
7 1342 1342/1342 1342 ± 0.00002307 5.38 5.219/5.583 5.357 ± 0.3161
8 1342 1342/1342 1342 ± 0.00002307 5.355 5.079/5.528 5.287 ± 0.3351
9 1342 1342/1342 1342 ± 0.00002307 5.578 5.454/5.716 5.522 ± 0.3579
10 1342 1342/1342 1342 ± 0.00002307 5.971 5.717/6.137 5.878 ± 0.3838
11 1342 1342/1342 1342 ± 0.00002307 6.183 6.019/6.3 6.055 ± 0.3878
12 1342 1342/1342 1342 ± 0.00002307 6.292 6.056/6.372 6.155 ± 0.426
13 1342 1342/1342 1342 ± 0.00002307 6.583 6.414/6.756 6.507 ± 0.4288
14 1342 1342/1342 1342 ± 0.00002307 6.741 6.483/6.885 6.646 ± 0.4138
15 1342 1342/1342 1342 ± 0.00002307 6.464 6.246/6.608 6.358 ± 0.4277
16 1342 1342/1342 1342 ± 0.00003249 5.57 5.322/5.787 5.56 ± 0.3766
17 1342 1342/1342 1342 ± 0.00003152 5.456 5.202/5.724 5.436 ± 0.3536
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-05-14 08:06:25.902
End
2025-05-14 09:06:20.884
Duration
0:59:54.981
Note, WebLog generation is not included in the time.

CASA logs for stage 8