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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 6.101 5.559/6.533 5.923 ± 0.8578
ea02 1342 1342/1342 1342 ± 0 6.236 5.474/6.46 5.964 ± 0.9864
ea03 1342 1342/1342 1342 ± 0 6.038 5.37/6.649 5.999 ± 0.7218
ea04 1342 1342/1342 1342 ± 0.00001412 5.482 4.948/6.001 5.455 ± 0.6326
ea05 1342 1342/1342 1342 ± 0.00001926 5.519 5.166/6.439 5.631 ± 0.8527
ea06 1342 1342/1342 1342 ± 0 5.864 4.969/5.994 5.505 ± 0.8032
ea07 1342 1342/1342 1342 ± 0 5.984 5.064/6.151 5.719 ± 0.8472
ea08 1342 1342/1342 1342 ± 0 6.147 5.365/6.539 5.936 ± 0.8058
ea09 1342 1342/1342 1342 ± 0.000002798 5.561 4.958/6.282 5.614 ± 0.7634
ea10 1342 1342/1342 1342 ± 0 5.361 5.095/6.074 5.552 ± 0.6001
ea11 1342 1342/1342 1342 ± 0.00003572 5.426 5.129/6.316 5.519 ± 0.9034
ea12 1342 1342/1342 1342 ± 0 5.345 5.248/6.269 5.567 ± 0.7178
ea14 1342 1342/1342 1342 ± 0.00002167 5.693 5.387/6.444 5.834 ± 0.7113
ea15 1342 1342/1342 1342 ± 0.00002683 6.088 5.493/6.672 5.935 ± 1.163
ea16 1342 1342/1342 1342 ± 0 6.097 5.502/6.566 6.082 ± 0.7326
ea17 1342 1342/1342 1342 ± 0 6.109 5.578/6.927 6.177 ± 0.6962
ea18 1342 1342/1342 1342 ± 0 6.444 5.742/7.113 6.273 ± 0.8631
ea19 1342 1342/1342 1342 ± 0 5.812 5.311/6.607 5.795 ± 0.8155
ea20 1342 1342/1342 1342 ± 0 6.51 5.746/7.004 6.248 ± 0.8847
ea22 1342 1342/1342 1342 ± 0 5.682 5.115/6.138 5.536 ± 0.6922
ea23 1342 1342/1342 1342 ± 0.000001252 5.671 5.394/6.375 5.899 ± 0.7167
ea24 1342 1342/1342 1342 ± 0 6.011 4.595/6.283 5.501 ± 0.9728
ea25 1342 1342/1342 1342 ± 0 6.436 5.527/6.988 6.238 ± 1.003
ea27 1342 1342/1342 1342 ± 0 5.734 5.165/6.433 5.685 ± 0.8682
ea28 1342 1342/1342 1342 ± 0 6.407 5.715/7.025 6.253 ± 0.8673
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 ± 0.00002392 5.375 5.239/5.608 5.385 ± 0.3689
3 1342 1342/1342 1342 ± 0.00002998 3.639 3.382/4.174 3.652 ± 0.5854
4 1342 1342/1342 1342 ± 0.00002832 4.647 4.49/4.807 4.615 ± 0.3276
5 1342 1342/1342 1342 ± 0.00002392 5.367 5.131/5.623 5.326 ± 0.3452
6 1342 1342/1342 1342 ± 0.00002392 5.207 4.976/5.466 5.186 ± 0.2883
7 1342 1342/1342 1342 ± 0.00002392 5.372 5.118/5.506 5.333 ± 0.2636
8 1342 1342/1342 1342 ± 0.00002392 5.336 5.094/5.546 5.304 ± 0.3342
9 1342 1342/1342 1342 ± 0.00002392 5.625 5.427/5.832 5.614 ± 0.3047
10 1342 1342/1342 1342 ± 0.00002392 6.11 5.999/6.252 6.103 ± 0.2531
11 1342 1342/1342 1342 ± 0.00002392 6.332 6.124/6.461 6.327 ± 0.2775
12 1342 1342/1342 1342 ± 0.00002392 6.469 6.273/6.656 6.492 ± 0.3167
13 1342 1342/1342 1342 ± 0.00002392 6.952 6.763/7.153 6.98 ± 0.3492
14 1342 1342/1342 1342 ± 0.00002392 7.088 6.827/7.416 7.102 ± 0.3891
15 1342 1342/1342 1342 ± 0.00002392 6.824 6.43/7.076 6.763 ± 0.3424
16 1342 1342/1342 1342 ± 0.00003759 6.084 5.645/6.36 6.043 ± 0.4667
17 1342 1342/1342 1342 ± 0.00003577 5.994 5.678/6.285 6.008 ± 0.4126
statwtmode
VLASS-SE
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-07-31 03:20:07.212
End
2025-07-31 04:06:19.783
Duration
0:46:12.572
Note, WebLog generation is not included in the time.

CASA logs for stage 8