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 5.469 5.265/6.442 5.768 ± 0.7062
ea02 1342 1342/1342 1342 ± 0.0000367 5.8 5.352/6.461 5.826 ± 0.6293
ea03 1342 1342/1342 1342 ± 0 5.276 5.045/6.266 5.691 ± 0.7669
ea04 1342 1342/1342 1342 ± 0.00004041 5.397 4.897/6.22 5.538 ± 0.6617
ea05 1342 1342/1342 1342 ± 0.00004617 5.566 5.068/6.265 5.718 ± 0.7499
ea06 1342 1342/1342 1342 ± 0.000001657 5.192 4.726/5.811 5.32 ± 0.6472
ea07 1342 1342/1342 1342 ± 0.00003427 5.396 5.013/6.273 5.591 ± 0.6657
ea08 1342 1342/1342 1342 ± 0.00003796 6.025 5.447/6.653 5.952 ± 0.7087
ea09 1342 1342/1342 1342 ± 0.00003793 4.798 4.692/5.622 5.152 ± 0.5854
ea10 1342 1342/1342 1342 ± 0.00004158 4.747 4.524/5.413 4.883 ± 0.4654
ea11 1342 1342/1342 1342 ± 0.00004283 5.769 4.833/6.441 5.729 ± 0.8491
ea12 1342 1342/1342 1342 ± 0.00003608 5.304 4.848/5.991 5.445 ± 0.6576
ea14 1342 1342/1342 1342 ± 0.00004038 5.725 5.222/6.498 5.776 ± 0.7236
ea15 1342 1342/1342 1342 ± 0.00004311 5.528 4.914/6.316 5.628 ± 0.8151
ea16 1342 1342/1342 1342 ± 0.000004448 5.564 5.26/6.188 5.74 ± 0.6793
ea17 1342 1342/1342 1342 ± 0.00003714 5.956 5.25/6.709 6.034 ± 0.7887
ea18 1342 1342/1342 1342 ± 0.00004047 5.907 5.376/6.51 5.906 ± 0.7045
ea19 1342 1342/1342 1342 ± 0.00002148 5.419 5.161/6.397 5.628 ± 0.7361
ea20 1342 1342/1342 1342 ± 0.000009301 5.507 5.215/6.207 5.772 ± 0.6633
ea21 1342 1342/1342 1342 ± 0.000001149 5.012 4.77/5.743 5.248 ± 0.5615
ea22 1342 1342/1342 1342 ± 0.00003573 5.664 5.181/6.413 5.747 ± 0.6533
ea23 1342 1342/1342 1342 ± 0.00003927 5.836 5.075/6.518 5.831 ± 0.7525
ea24 1342 1342/1342 1342 ± 0 5.219 4.749/5.979 5.376 ± 0.6117
ea25 1342 1342/1342 1342 ± 0.000001172 5.888 5.33/6.675 6.102 ± 0.8767
ea27 1342 1342/1342 1342 ± 0.000001149 5.181 4.778/6.194 5.381 ± 0.7532
ea28 1342 1342/1342 1342 ± 0.00000203 5.415 5.115/6.291 5.723 ± 0.7184
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 5.099 4.773/5.32 5.066 ± 0.2864
5 1342 1342/1342 1342 ± 0.00002755 5.023 4.784/5.262 5.047 ± 0.2979
6 1342 1342/1342 1342 ± 0.00002348 4.928 4.806/5.241 5.012 ± 0.3031
7 1342 1342/1342 1342 ± 0.00002348 5.225 5.052/5.449 5.19 ± 0.2868
8 1342 1342/1342 1342 ± 0.00002348 5.196 4.969/5.457 5.19 ± 0.3392
9 1342 1342/1342 1342 ± 0.00002348 5.51 5.29/5.831 5.509 ± 0.3496
10 1342 1342/1342 1342 ± 0.00002348 5.939 5.748/6.275 5.967 ± 0.3355
11 1342 1342/1342 1342 ± 0.00002348 6.248 6.081/6.494 6.249 ± 0.3308
12 1342 1342/1342 1342 ± 0.00002348 6.455 6.2/6.632 6.399 ± 0.3635
13 1342 1342/1342 1342 ± 0.00002392 6.92 6.66/7.019 6.845 ± 0.3283
14 1342 1342/1342 1342 ± 0.00002399 6.333 6.135/6.729 6.453 ± 0.4575
15 1342 1342/1342 1342 ± 0.00002367 6.305 6.016/6.507 6.223 ± 0.432
16 1342 1342/1342 1342 ± 0.00006088 4.785 4.59/5.084 4.826 ± 0.3823
17 1342 1342/1342 1342 ± 0.00006099 4.855 4.634/5.08 4.868 ± 0.3461
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 19:23:06.421
End
2025-07-26 20:35:21.118
Duration
1:12:14.697
Note, WebLog generation is not included in the time.

CASA logs for stage 8