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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.677 5.474/6.254 5.803 ± 0.7247
ea02 1342 1342/1342 1342 ± 0.00003655 5.791 5.37/6.515 5.799 ± 0.6527
ea03 1342 1342/1342 1342 ± 0 5.573 5.368/6.56 5.904 ± 0.6974
ea04 1342 1342/1342 1342 ± 0.00004245 5.33 4.979/6.027 5.414 ± 0.6065
ea05 1342 1342/1342 1342 ± 0.00004276 5.559 5.193/6.429 5.682 ± 0.7467
ea06 1342 1342/1342 1342 ± 0.000004254 5.528 4.988/6.133 5.526 ± 0.6127
ea07 1342 1342/1342 1342 ± 0.00003716 5.432 5.045/6.33 5.616 ± 0.6987
ea08 1342 1342/1342 1342 ± 0.00002965 5.766 5.37/6.796 5.968 ± 0.7421
ea09 1342 1342/1342 1342 ± 0.00003924 5.399 5.002/6.05 5.468 ± 0.6681
ea10 1342 1342/1342 1342 ± 0.00004238 5.159 4.724/5.995 5.279 ± 0.6253
ea11 1342 1342/1342 1342 ± 0.00004486 5.542 4.743/6.149 5.437 ± 0.7711
ea13 1342 1342/1342 1342 ± 0.00000663 5.431 5.079/6.071 5.574 ± 0.5188
ea14 1342 1342/1342 1342 ± 0.00004235 5.638 5.253/6.517 5.806 ± 0.714
ea15 1342 1342/1342 1342 ± 0.00004347 5.824 5.442/6.632 5.862 ± 0.8411
ea16 1342 1342/1342 1342 ± 0.000005879 5.944 5.433/6.592 6.033 ± 0.7585
ea17 1342 1342/1342 1342 ± 0.0000404 5.848 5.299/6.667 5.965 ± 0.7689
ea18 1342 1342/1342 1342 ± 0.00002702 5.837 5.51/6.768 6.027 ± 0.7353
ea19 1342 1342/1342 1342 ± 0.00002189 5.628 5.335/6.429 5.73 ± 0.732
ea20 1342 1342/1342 1342 ± 0.00001304 5.569 5.254/6.126 5.693 ± 0.6721
ea21 1342 1342/1342 1342 ± 0 5.163 4.975/5.828 5.339 ± 0.5477
ea22 1342 1342/1342 1342 ± 0.00003402 5.769 5.236/6.507 5.792 ± 0.6794
ea23 1342 1342/1342 1342 ± 0.0000429 5.971 5.286/6.51 5.868 ± 0.7313
ea24 1342 1342/1342 1342 ± 0.000001318 5.269 4.977/6.216 5.53 ± 0.6821
ea25 1342 1342/1342 1342 ± 0 6.113 5.606/6.744 6.303 ± 0.8186
ea27 1342 1342/1342 1342 ± 0.000004344 5.486 5.076/6.435 5.589 ± 0.7953
ea28 1342 1342/1342 1342 ± 0.000004159 5.629 5.463/6.597 5.927 ± 0.6975
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 ± 0.00002354 5.357 5.086/5.465 5.286 ± 0.2488
5 1342 1342/1342 1342 ± 0.000027 5.235 4.983/5.391 5.194 ± 0.3048
6 1342 1342/1342 1342 ± 0.00002354 5.285 5.056/5.482 5.263 ± 0.2745
7 1342 1342/1342 1342 ± 0.00002354 5.365 5.211/5.579 5.365 ± 0.2459
8 1342 1342/1342 1342 ± 0.00002354 5.41 5.125/5.552 5.343 ± 0.284
9 1342 1342/1342 1342 ± 0.00002354 5.633 5.531/5.933 5.667 ± 0.3048
10 1342 1342/1342 1342 ± 0.00002399 6.145 6.008/6.325 6.137 ± 0.2838
11 1342 1342/1342 1342 ± 0.00002354 6.475 6.139/6.591 6.402 ± 0.2708
12 1342 1342/1342 1342 ± 0.00002354 6.602 6.343/6.791 6.557 ± 0.3245
13 1342 1342/1342 1342 ± 0.00002354 6.82 6.568/7.078 6.832 ± 0.383
14 1342 1342/1342 1342 ± 0.00002513 6.169 5.88/6.478 6.252 ± 0.5376
15 1342 1342/1342 1342 ± 0.00002387 6.441 5.967/6.693 6.315 ± 0.4782
16 1342 1342/1342 1342 ± 0.00006102 4.777 4.537/5.001 4.792 ± 0.3781
17 1342 1342/1342 1342 ± 0.00006086 4.665 4.474/4.85 4.685 ± 0.3133
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-19 10:50:04.431
End
2025-07-19 11:45:16.280
Duration
0:55:11.849
Note, WebLog generation is not included in the time.

CASA logs for stage 8