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 6.324 5.91/6.954 6.407 ± 0.8143
ea03 1342 1342/1342 1342 ± 0.00001122 5.68 5.162/6.581 5.786 ± 0.8654
ea04 1342 1342/1342 1342 ± 0.000006488 5.783 5.306/6.479 5.875 ± 0.7969
ea05 1342 1342/1342 1342 ± 0 6.191 5.729/7.075 6.283 ± 0.8892
ea06 1342 1342/1342 1342 ± 0 6.196 5.709/6.647 6.181 ± 0.7413
ea07 1342 1342/1342 1342 ± 0 6.292 5.509/6.537 6.133 ± 0.7294
ea08 1342 1342/1342 1342 ± 0 6.181 5.547/6.847 6.207 ± 0.8354
ea09 1342 1342/1342 1342 ± 0 6.161 5.611/6.849 6.226 ± 0.8976
ea10 1342 1342/1342 1342 ± 0 6.283 5.727/7.104 6.314 ± 0.8956
ea11 1342 1342/1342 1342 ± 0 6.368 5.482/6.83 6.177 ± 0.9092
ea12 1342 1342/1342 1342 ± 0 6.581 5.777/6.971 6.413 ± 0.9074
ea13 1342 1342/1342 1342 ± 0 5.858 5.794/6.419 6.102 ± 0.5064
ea14 1342 1342/1342 1342 ± 0 6.37 5.787/7.022 6.386 ± 0.8967
ea15 1342 1342/1342 1342 ± 0 5.883 5.44/6.49 5.966 ± 0.7565
ea16 1342 1342/1342 1342 ± 0 6.551 5.925/7.034 6.516 ± 0.8482
ea17 1342 1342/1342 1342 ± 0 6.821 6.292/7.829 6.971 ± 0.8675
ea18 1342 1342/1342 1342 ± 0 5.28 4.85/5.677 5.34 ± 0.5062
ea19 1342 1342/1342 1342 ± 0 6.751 5.944/7.304 6.578 ± 0.8379
ea20 1342 1342/1342 1342 ± 0 5.986 5.661/6.726 6.129 ± 0.8199
ea21 1342 1342/1342 1342 ± 0 5.527 5.208/6.07 5.626 ± 0.579
ea22 1342 1342/1342 1342 ± 0.00001339 6.403 5.473/6.742 6.149 ± 0.8056
ea23 1342 1342/1342 1342 ± 0 6.475 5.868/6.9 6.481 ± 0.7531
ea24 1342 1342/1342 1342 ± 0 6.136 5.378/6.63 5.972 ± 0.7266
ea25 1342 1342/1342 1342 ± 0 6.734 5.812/7.262 6.524 ± 0.9516
ea26 1342 1342/1342 1342 ± 0.000001657 6.748 6.09/7.502 6.615 ± 1.044
ea27 1342 1342/1342 1342 ± 0 6.215 5.671/7.013 6.216 ± 0.8692
ea28 1342 1342/1342 1342 ± 0 6.167 5.901/7.092 6.437 ± 0.8355
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 ± 0.00002308 5.711 5.424/5.892 5.659 ± 0.332
3 1342 1342/1342 1342 ± 0.00002586 5.311 5.084/5.427 5.26 ± 0.3142
4 1342 1342/1342 1342 ± 0.00002717 4.384 4.236/4.491 4.424 ± 0.2722
5 1342 1342/1342 1342 ± 0.00002308 5.789 5.404/5.872 5.681 ± 0.3443
6 1342 1342/1342 1342 ± 0.00002308 5.68 5.478/5.874 5.633 ± 0.3085
7 1342 1342/1342 1342 ± 0.00002308 5.72 5.479/5.865 5.671 ± 0.3094
8 1342 1342/1342 1342 ± 0.00002308 5.587 5.346/5.859 5.595 ± 0.3489
9 1342 1342/1342 1342 ± 0.00002308 5.937 5.662/6.147 5.893 ± 0.3387
10 1342 1342/1342 1342 ± 0.00002308 6.585 6.31/6.702 6.461 ± 0.346
11 1342 1342/1342 1342 ± 0.00002308 6.774 6.535/6.949 6.695 ± 0.3625
12 1342 1342/1342 1342 ± 0.00002308 6.91 6.622/7.045 6.833 ± 0.4305
13 1342 1342/1342 1342 ± 0.00002308 7.421 7.128/7.765 7.384 ± 0.4669
14 1342 1342/1342 1342 ± 0.00002308 7.646 7.214/7.909 7.584 ± 0.474
15 1342 1342/1342 1342 ± 0.00002308 7.224 6.884/7.501 7.194 ± 0.4377
16 1342 1342/1342 1342 ± 0.00002308 6.485 6.305/6.967 6.54 ± 0.4455
17 1342 1342/1342 1342 ± 0.00002308 6.534 6.203/6.797 6.478 ± 0.4476
datacolumn
residual_data
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-06-11 01:45:31.006
End
2025-06-11 02:11:13.259
Duration
0:25:42.252
Note, WebLog generation is not included in the time.

CASA logs for stage 8