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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.449 5.225/6.514 5.668 ± 0.8805
ea02 1342 1342/1342 1342 ± 0.00001337 5.616 5.236/6.348 5.657 ± 0.8891
ea03 1342 1342/1342 1342 ± 0.00000323 5.409 5.134/6.562 5.694 ± 0.8742
ea04 1342 1342/1342 1342 ± 0.00005011 5.06 4.869/6.039 5.181 ± 0.8651
ea05 1342 1342/1342 1342 ± 0.0000453 5.283 5.022/6.344 5.475 ± 0.9273
ea06 1342 1342/1342 1342 ± 0.000005586 5.076 4.757/5.871 5.311 ± 0.7722
ea07 1342 1342/1342 1342 ± 0.00002616 5.103 4.896/6.203 5.358 ± 1.051
ea08 1342 1342/1342 1342 ± 0.000002212 5.575 5.166/6.68 5.774 ± 0.9906
ea09 1342 1342/1342 1342 ± 0.0000446 4.943 4.685/5.88 5.178 ± 0.7681
ea10 1342 1342/1342 1342 ± 0.00004832 4.969 4.64/6.041 5.201 ± 0.8171
ea11 1342 1342/1342 1342 ± 0.00004762 5.141 4.543/6.208 5.126 ± 1.063
ea12 1342 1342/1342 1342 ± 0.00004155 5.037 4.813/5.907 5.215 ± 0.8102
ea14 1342 1342/1342 1342 ± 0.00004561 5.491 5.106/6.457 5.658 ± 0.8086
ea15 1342 1342/1342 1342 ± 0.00004716 5.507 5.073/6.554 5.724 ± 0.9456
ea16 1342 1342/1342 1342 ± 0.000006037 5.615 5.243/6.545 5.76 ± 0.9132
ea17 1342 1342/1342 1342 ± 0.0000373 5.527 5.14/6.43 5.595 ± 1.063
ea18 1342 1342/1342 1342 ± 0 5.632 5.327/6.783 5.861 ± 0.9488
ea19 1342 1342/1342 1342 ± 0.00003219 5.067 4.975/6.257 5.417 ± 0.9091
ea20 1342 1342/1342 1342 ± 0.00003904 5.774 5.481/6.855 5.894 ± 1.002
ea21 1342 1342/1342 1342 ± 0 5.099 4.886/5.85 5.301 ± 0.6664
ea22 1342 1342/1342 1342 ± 0 5.546 5.032/6.451 5.546 ± 0.9937
ea23 1342 1342/1342 1342 ± 0.00004642 5.479 5.025/6.305 5.633 ± 0.8397
ea24 1342 1342/1342 1342 ± 0.00002485 5.194 5.033/6.561 5.589 ± 0.8652
ea25 1342 1342/1342 1342 ± 0 5.875 5.386/6.795 6.037 ± 0.9561
ea27 1342 1342/1342 1342 ± 0.000006962 5.157 4.962/6.367 5.521 ± 0.7973
ea28 1342 1342/1342 1342 ± 0.00003158 5.619 5.451/6.929 5.923 ± 0.9202
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 ± 0.00002352 5.103 4.939/5.256 5.121 ± 0.2657
3 1342 1342/1342 1342 ± 0.0000352 3.773 3.389/4.359 3.851 ± 0.616
4 1342 1342/1342 1342 ± 0.00005408 3.796 3.663/3.945 3.796 ± 0.2208
5 1342 1342/1342 1342 ± 0.00002352 5.117 4.966/5.443 5.176 ± 0.3065
6 1342 1342/1342 1342 ± 0.00002352 5.152 4.9/5.401 5.153 ± 0.2825
7 1342 1342/1342 1342 ± 0.00002352 5.231 4.981/5.391 5.197 ± 0.2572
8 1342 1342/1342 1342 ± 0.00002352 5.144 4.986/5.414 5.18 ± 0.2915
9 1342 1342/1342 1342 ± 0.00002352 5.511 5.252/5.717 5.496 ± 0.3042
10 1342 1342/1342 1342 ± 0.00002352 6.061 5.836/6.183 6.029 ± 0.2736
11 1342 1342/1342 1342 ± 0.00002352 6.278 6.164/6.421 6.281 ± 0.2812
12 1342 1342/1342 1342 ± 0.00002352 6.471 6.218/6.601 6.448 ± 0.318
13 1342 1342/1342 1342 ± 0.00002352 6.888 6.588/7.13 6.876 ± 0.3342
14 1342 1342/1342 1342 ± 0.00002491 6.726 6.451/6.973 6.728 ± 0.4217
15 1342 1342/1342 1342 ± 0.00002352 6.766 6.347/7.017 6.714 ± 0.3461
16 1342 1342/1342 1342 ± 0.00006078 4.799 4.598/5.02 4.865 ± 0.356
17 1342 1342/1342 1342 ± 0.000061 4.834 4.67/5.022 4.88 ± 0.286
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-22 09:31:08.406
End
2025-07-22 10:16:06.674
Duration
0:44:58.268
Note, WebLog generation is not included in the time.

CASA logs for stage 8