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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.082 5.736/6.613 6.146 ± 0.7797
ea03 1342 1342/1342 1342 ± 0.00001006 5.65 5.218/6.359 5.752 ± 0.705
ea04 1342 1342/1342 1342 ± 0 5.585 5.245/6.081 5.729 ± 0.5092
ea05 1342 1342/1342 1342 ± 0 5.899 5.578/6.594 6.081 ± 0.6807
ea06 1342 1342/1342 1342 ± 0 6.011 5.622/6.396 6.069 ± 0.5403
ea07 1342 1342/1342 1342 ± 0 5.892 5.418/6.135 5.911 ± 0.5273
ea08 1342 1342/1342 1342 ± 0.00001006 6.131 5.6/6.538 6.162 ± 0.6352
ea09 1342 1342/1342 1342 ± 0.00000962 5.941 5.473/6.62 6.057 ± 0.716
ea10 1342 1342/1342 1342 ± 0 5.977 5.476/6.608 6.045 ± 0.6091
ea11 1342 1342/1342 1342 ± 0 6.135 5.43/6.591 6.094 ± 0.7182
ea12 1342 1342/1342 1342 ± 0.000001503 5.976 5.667/6.647 6.16 ± 0.7852
ea13 1342 1342/1342 1342 ± 0 5.944 5.862/6.374 6.101 ± 0.4967
ea14 1342 1342/1342 1342 ± 0 5.939 5.599/6.549 6.094 ± 0.6807
ea15 1342 1342/1342 1342 ± 0.000001503 5.471 5.119/5.893 5.547 ± 0.5961
ea16 1342 1342/1342 1342 ± 0 6.144 5.813/6.714 6.263 ± 0.6958
ea17 1342 1342/1342 1342 ± 0 6.54 6.276/7.342 6.786 ± 0.6483
ea18 1342 1342/1342 1342 ± 0 5.09 4.87/5.611 5.259 ± 0.4891
ea19 1342 1342/1342 1342 ± 0 6.213 5.914/6.896 6.423 ± 0.6517
ea20 1342 1342/1342 1342 ± 0 5.885 5.528/6.382 5.957 ± 0.6435
ea21 1342 1342/1342 1342 ± 0 5.607 5.415/6.234 5.834 ± 0.5362
ea22 1342 1342/1342 1342 ± 0.00001906 5.872 5.448/6.436 5.972 ± 0.6402
ea23 1342 1342/1342 1342 ± 0 6.233 5.78/6.563 6.274 ± 0.6918
ea24 1342 1342/1342 1342 ± 0 6.046 5.312/6.448 5.901 ± 0.584
ea25 1342 1342/1342 1342 ± 0 6.283 5.721/6.765 6.297 ± 0.788
ea26 1342 1342/1342 1342 ± 0 6.348 5.901/6.99 6.472 ± 0.6547
ea27 1342 1342/1342 1342 ± 0 5.846 5.427/6.617 6.006 ± 0.6662
ea28 1342 1342/1342 1342 ± 0 5.944 5.689/6.668 6.173 ± 0.6654
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 ± 0.00002317 5.638 5.383/5.796 5.601 ± 0.2577
3 1342 1342/1342 1342 ± 0.00003166 5.057 4.82/5.181 5.013 ± 0.4378
4 1342 1342/1342 1342 ± 0.00002317 5.421 5.19/5.707 5.441 ± 0.3825
5 1342 1342/1342 1342 ± 0.00002317 5.604 5.33/5.816 5.606 ± 0.3317
6 1342 1342/1342 1342 ± 0.00002317 5.589 5.383/5.761 5.554 ± 0.2625
7 1342 1342/1342 1342 ± 0.00002317 5.597 5.409/5.759 5.583 ± 0.2743
8 1342 1342/1342 1342 ± 0.00002317 5.474 5.285/5.687 5.5 ± 0.3098
9 1342 1342/1342 1342 ± 0.00002317 5.803 5.617/5.992 5.772 ± 0.3079
10 1342 1342/1342 1342 ± 0.00002317 6.262 6.053/6.395 6.166 ± 0.3125
11 1342 1342/1342 1342 ± 0.00002317 6.413 6.295/6.583 6.379 ± 0.3089
12 1342 1342/1342 1342 ± 0.00002317 6.58 6.366/6.695 6.532 ± 0.3672
13 1342 1342/1342 1342 ± 0.00002317 7.009 6.758/7.318 7.02 ± 0.389
14 1342 1342/1342 1342 ± 0.00002317 7.252 7.069/7.494 7.241 ± 0.3933
15 1342 1342/1342 1342 ± 0.00002317 6.905 6.705/7.244 6.919 ± 0.3658
16 1342 1342/1342 1342 ± 0.00002317 6.245 5.933/6.546 6.276 ± 0.3808
17 1342 1342/1342 1342 ± 0.00002317 6.119 5.988/6.475 6.225 ± 0.3683
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-19 03:52:47.869
End
2025-05-19 04:26:35.430
Duration
0:33:47.560
Note, WebLog generation is not included in the time.

CASA logs for stage 8