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 5.627 5.314/6.201 5.732 ± 0.6793
ea02 1342 1342/1342 1342 ± 0.00002028 5.622 5.422/6.507 5.814 ± 0.6923
ea03 1342 1342/1342 1342 ± 0 5.329 5.078/6.314 5.651 ± 0.7075
ea04 1342 1342/1342 1342 ± 0.00002649 5.356 4.946/6.21 5.495 ± 0.6422
ea05 1342 1342/1342 1342 ± 0.0000372 5.442 5.199/6.424 5.717 ± 0.7621
ea06 1342 1342/1342 1342 ± 0 5.19 4.747/5.783 5.266 ± 0.5382
ea07 1342 1342/1342 1342 ± 0.00001996 5.319 5.06/6.283 5.599 ± 0.6776
ea08 1342 1342/1342 1342 ± 0.00002447 5.743 5.481/6.716 5.902 ± 0.778
ea09 1342 1342/1342 1342 ± 0.00002168 4.866 4.715/5.701 5.141 ± 0.5534
ea10 1342 1342/1342 1342 ± 0.00003094 4.856 4.636/5.509 4.965 ± 0.5407
ea11 1342 1342/1342 1342 ± 0.00004355 5.693 5.01/6.558 5.756 ± 0.8689
ea12 1342 1342/1342 1342 ± 0.00001923 5.249 4.857/5.886 5.357 ± 0.6273
ea14 1342 1342/1342 1342 ± 0.00003212 5.621 5.38/6.491 5.787 ± 0.7091
ea15 1342 1342/1342 1342 ± 0.00004296 5.466 5.079/6.254 5.578 ± 0.7225
ea16 1342 1342/1342 1342 ± 0 5.537 5.262/6.3 5.742 ± 0.6622
ea17 1342 1342/1342 1342 ± 0.00002275 5.861 5.309/6.748 5.994 ± 0.8196
ea18 1342 1342/1342 1342 ± 0.00003927 5.721 5.49/6.614 5.864 ± 0.801
ea19 1342 1342/1342 1342 ± 0.000005884 5.419 5.133/6.183 5.541 ± 0.6951
ea20 1342 1342/1342 1342 ± 0.000001521 5.555 5.383/6.276 5.798 ± 0.5808
ea21 1342 1342/1342 1342 ± 0 5.033 4.829/5.727 5.219 ± 0.5229
ea22 1342 1342/1342 1342 ± 0.00001883 5.636 5.216/6.461 5.719 ± 0.7058
ea23 1342 1342/1342 1342 ± 0.00002812 5.758 5.204/6.588 5.838 ± 0.7639
ea24 1342 1342/1342 1342 ± 0 5.176 4.732/6.005 5.357 ± 0.6332
ea25 1342 1342/1342 1342 ± 0 6.01 5.364/6.712 6.11 ± 0.8209
ea27 1342 1342/1342 1342 ± 0 5.143 4.759/6.011 5.305 ± 0.7226
ea28 1342 1342/1342 1342 ± 0 5.349 5.148/6.227 5.683 ± 0.667
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 ± 0.00002349 5.159 4.77/5.379 5.124 ± 0.2967
5 1342 1342/1342 1342 ± 0.00002376 5.12 4.855/5.367 5.123 ± 0.2725
6 1342 1342/1342 1342 ± 0.00002349 5.119 4.932/5.371 5.138 ± 0.3148
7 1342 1342/1342 1342 ± 0.00002349 5.255 5.079/5.504 5.245 ± 0.2884
8 1342 1342/1342 1342 ± 0.00002349 5.229 5.057/5.51 5.24 ± 0.3431
9 1342 1342/1342 1342 ± 0.00002349 5.58 5.292/5.832 5.537 ± 0.3689
10 1342 1342/1342 1342 ± 0.00002349 6.046 5.775/6.3 6.002 ± 0.341
11 1342 1342/1342 1342 ± 0.00002349 6.278 6.152/6.519 6.282 ± 0.3248
12 1342 1342/1342 1342 ± 0.00002349 6.507 6.266/6.689 6.446 ± 0.3718
13 1342 1342/1342 1342 ± 0.00002394 6.895 6.543/7.033 6.814 ± 0.3472
14 1342 1342/1342 1342 ± 0.00002555 5.843 5.619/6.346 6.017 ± 0.5511
15 1342 1342/1342 1342 ± 0.00002349 6.373 5.779/6.641 6.238 ± 0.5126
16 1342 1342/1342 1342 ± 0.00005674 4.66 4.491/5.033 4.789 ± 0.4723
17 1342 1342/1342 1342 ± 0.00005465 4.625 4.424/4.897 4.691 ± 0.3747
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-31 01:45:24.922
End
2025-07-31 02:19:19.069
Duration
0:33:54.147
Note, WebLog generation is not included in the time.

CASA logs for stage 8