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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.311 5.886/6.944 6.385 ± 0.8144
ea03 1342 1342/1342 1342 ± 0.000009229 5.656 5.128/6.568 5.765 ± 0.8871
ea04 1342 1342/1342 1342 ± 0 5.764 5.319/6.473 5.867 ± 0.8214
ea05 1342 1342/1342 1342 ± 0 6.326 5.669/7.094 6.383 ± 0.8065
ea06 1342 1342/1342 1342 ± 0 6.184 5.632/6.669 6.165 ± 0.7694
ea07 1342 1342/1342 1342 ± 0 6.117 5.485/6.525 6.069 ± 0.7861
ea08 1342 1342/1342 1342 ± 0.000001825 6.204 5.562/6.898 6.219 ± 0.819
ea09 1342 1342/1342 1342 ± 0 6.162 5.587/6.869 6.223 ± 0.8857
ea10 1342 1342/1342 1342 ± 0 6.324 5.704/7.156 6.317 ± 0.9147
ea11 1342 1342/1342 1342 ± 0 6.397 5.459/6.851 6.253 ± 0.831
ea12 1342 1342/1342 1342 ± 0 6.582 5.78/6.986 6.483 ± 0.8451
ea13 1342 1342/1342 1342 ± 0 5.785 5.707/6.377 6.039 ± 0.5059
ea14 1342 1342/1342 1342 ± 0 6.366 5.734/7.016 6.378 ± 0.9136
ea15 1342 1342/1342 1342 ± 0 5.894 5.414/6.49 5.964 ± 0.7814
ea16 1342 1342/1342 1342 ± 0 6.538 5.944/7.071 6.483 ± 0.8927
ea17 1342 1342/1342 1342 ± 0 6.872 6.298/7.872 7.003 ± 0.8599
ea18 1342 1342/1342 1342 ± 0 5.211 4.788/5.561 5.251 ± 0.4937
ea19 1342 1342/1342 1342 ± 0 6.446 5.935/7.158 6.522 ± 0.9002
ea20 1342 1342/1342 1342 ± 0 5.934 5.618/6.704 6.097 ± 0.8228
ea21 1342 1342/1342 1342 ± 0 5.434 5.165/6.033 5.63 ± 0.537
ea22 1342 1342/1342 1342 ± 0 6.422 5.456/6.794 6.194 ± 0.7582
ea23 1342 1342/1342 1342 ± 0.000005199 6.322 5.783/6.918 6.444 ± 0.7698
ea24 1342 1342/1342 1342 ± 0 6.189 5.364/6.646 6.031 ± 0.6585
ea25 1342 1342/1342 1342 ± 0 6.804 5.767/7.237 6.611 ± 0.8971
ea26 1342 1342/1342 1342 ± 0 6.768 6.14/7.541 6.771 ± 0.8822
ea27 1342 1342/1342 1342 ± 0 6.194 5.685/7.068 6.283 ± 0.8106
ea28 1342 1342/1342 1342 ± 0 6.281 5.893/7.122 6.518 ± 0.7851
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 ± 0.00002309 5.648 5.414/5.864 5.624 ± 0.34
3 1342 1342/1342 1342 ± 0.00002385 5.253 5.016/5.399 5.232 ± 0.3187
4 1342 1342/1342 1342 ± 0.00003181 4.325 4.226/4.473 4.4 ± 0.2797
5 1342 1342/1342 1342 ± 0.00002309 5.736 5.369/5.856 5.643 ± 0.349
6 1342 1342/1342 1342 ± 0.00002309 5.624 5.483/5.871 5.614 ± 0.317
7 1342 1342/1342 1342 ± 0.00002309 5.702 5.444/5.81 5.656 ± 0.3168
8 1342 1342/1342 1342 ± 0.00002309 5.603 5.362/5.841 5.585 ± 0.3561
9 1342 1342/1342 1342 ± 0.00002309 5.926 5.682/6.17 5.897 ± 0.3538
10 1342 1342/1342 1342 ± 0.00002309 6.584 6.291/6.692 6.463 ± 0.3603
11 1342 1342/1342 1342 ± 0.00002309 6.796 6.541/6.938 6.713 ± 0.3788
12 1342 1342/1342 1342 ± 0.00002309 6.921 6.644/7.077 6.84 ± 0.4532
13 1342 1342/1342 1342 ± 0.00002309 7.439 7.154/7.76 7.383 ± 0.489
14 1342 1342/1342 1342 ± 0.00002309 7.667 7.278/7.921 7.582 ± 0.4968
15 1342 1342/1342 1342 ± 0.00002309 7.195 6.864/7.477 7.178 ± 0.4542
16 1342 1342/1342 1342 ± 0.00002315 6.451 6.301/6.963 6.516 ± 0.4557
17 1342 1342/1342 1342 ± 0.00002333 6.508 6.243/6.83 6.465 ± 0.466
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
Start time
2025-06-11 09:13:39.365
End
2025-06-11 09:58:53.541
Duration
0:45:14.177
Note, WebLog generation is not included in the time.

CASA logs for stage 8