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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.468 4.842/6.129 5.379 ± 1.057
ea02 1342 1342/1342 1342 ± 0.00002976 5.13 5.049/6.169 5.37 ± 1.009
ea03 1342 1342/1342 1342 ± 0.000003704 5.089 4.958/6.166 5.42 ± 0.7439
ea04 1342 1342/1342 1342 ± 0.00004837 4.996 4.607/5.888 5.026 ± 0.8357
ea05 1342 1342/1342 1342 ± 0.00005147 5.276 4.877/6.221 5.269 ± 0.9715
ea06 1342 1342/1342 1342 ± 0.00002529 4.996 4.737/5.773 5.073 ± 0.7655
ea07 1342 1342/1342 1342 ± 0.00004175 5.037 4.836/5.911 5.188 ± 0.9039
ea08 1342 1342/1342 1342 ± 0.000006671 5.555 5.285/6.53 5.601 ± 0.9562
ea09 1342 1342/1342 1342 ± 0.0000471 5.055 4.658/5.989 5.048 ± 0.9178
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00005236 5.223 4.578/6.175 5.094 ± 1.05
ea12 1342 1342/1342 1342 ± 0.00004535 5.071 4.596/5.766 5.007 ± 0.8724
ea14 1342 1342/1342 1342 ± 0.00005095 5.399 5.089/6.339 5.379 ± 0.9631
ea15 1342 1342/1342 1342 ± 0.00005041 5.48 4.886/6.493 5.462 ± 1.058
ea16 1342 1342/1342 1342 ± 0.00002381 5.649 5.026/6.194 5.518 ± 0.9238
ea17 1342 1342/1342 1342 ± 0.00004306 5.578 5.213/6.483 5.612 ± 1.072
ea18 1342 1342/1342 1342 ± 0.000005853 5.551 5.287/6.409 5.659 ± 0.8927
ea19 1342 1342/1342 1342 ± 0.00004334 5.239 5.068/6.131 5.297 ± 0.9091
ea20 1342 1342/1342 1342 ± 0.00004146 5.752 5.385/6.709 5.775 ± 0.9741
ea21 1342 1342/1342 1342 ± 0.000008164 4.711 4.568/5.428 4.911 ± 0.6067
ea22 1342 1342/1342 1342 ± 0.0000157 5.297 4.928/6.211 5.362 ± 0.9219
ea23 1342 1342/1342 1342 ± 0.00004901 5.464 4.94/6.188 5.373 ± 0.9536
ea24 1342 1342/1342 1342 ± 0.00001402 4.958 4.66/5.947 5.258 ± 0.7363
ea25 1342 1342/1342 1342 ± 0.0000146 5.387 5.137/6.399 5.677 ± 0.8676
ea27 1342 1342/1342 1342 ± 0.00001782 5.065 4.896/6.192 5.203 ± 0.8613
ea28 1342 1342/1342 1342 ± 0.00000262 5.637 5.448/6.551 5.749 ± 0.8285
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 ± 0.00002398 5.161 4.882/5.278 5.094 ± 0.3129
5 1342 1342/1342 1342 ± 0.00003345 4.952 4.73/5.227 4.981 ± 0.3456
6 1342 1342/1342 1342 ± 0.00002444 4.964 4.857/5.287 5.056 ± 0.2952
7 1342 1342/1342 1342 ± 0.00002398 5.14 5.011/5.318 5.174 ± 0.2655
8 1342 1342/1342 1342 ± 0.00002398 5.079 4.925/5.375 5.129 ± 0.3026
9 1342 1342/1342 1342 ± 0.00002398 5.44 5.113/5.612 5.369 ± 0.3044
10 1342 1342/1342 1342 ± 0.00002395 5.986 5.674/6.067 5.886 ± 0.2906
11 1342 1342/1342 1342 ± 0.00002395 6.191 6.077/6.341 6.176 ± 0.2784
12 1342 1342/1342 1342 ± 0.00002395 6.364 6.247/6.464 6.347 ± 0.3316
13 1342 1342/1342 1342 ± 0.00002402 6.529 6.324/6.83 6.539 ± 0.3381
14 1342 1342/1342 1342 ± 0.00005581 5.078 4.719/5.589 5.237 ± 0.6684
15 1342 1342/1342 1342 ± 0.00002395 6.536 6.179/6.798 6.479 ± 0.4061
16 1342 1342/1342 1342 ± 0.00006028 3.538 3.38/3.862 3.662 ± 0.4144
17 1342 1342/1342 1342 ± 0.00006046 3.694 3.446/3.958 3.719 ± 0.3762
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 17:43:55.626
End
2025-07-22 18:33:01.267
Duration
0:49:05.641
Note, WebLog generation is not included in the time.

CASA logs for stage 8