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 5.394 5.25/6.449 5.706 ± 0.8358
ea02 1342 1342/1342 1342 ± 0.000002698 5.536 5.113/6.241 5.648 ± 0.822
ea03 1342 1342/1342 1342 ± 0 5.825 5.013/6.501 5.717 ± 0.8706
ea04 1342 1342/1342 1342 ± 0.00004476 5.005 4.769/5.837 5.189 ± 0.7643
ea05 1342 1342/1342 1342 ± 0.00003866 5.166 5.019/6.292 5.49 ± 0.889
ea06 1342 1342/1342 1342 ± 0 5.359 4.702/5.825 5.348 ± 0.7801
ea07 1342 1342/1342 1342 ± 0.000001169 4.957 4.825/6.055 5.325 ± 0.929
ea08 1342 1342/1342 1342 ± 0 5.55 5.269/6.545 5.798 ± 0.8527
ea09 1342 1342/1342 1342 ± 0.00003777 4.876 4.676/6.027 5.181 ± 0.7531
ea10 1342 1342/1342 1342 ± 0.00004162 4.869 4.688/6.011 5.21 ± 0.8042
ea11 1342 1342/1342 1342 ± 0.00004075 5.101 4.558/6.194 5.223 ± 0.9928
ea12 1342 1342/1342 1342 ± 0.000027 5.081 4.776/5.825 5.239 ± 0.74
ea14 1342 1342/1342 1342 ± 0.00004032 5.406 5.233/6.369 5.699 ± 0.7758
ea15 1342 1342/1342 1342 ± 0.00004094 5.481 5.273/6.462 5.759 ± 0.9044
ea16 1342 1342/1342 1342 ± 0 5.622 5.25/6.448 5.758 ± 0.8868
ea17 1342 1342/1342 1342 ± 0.00001374 5.46 5.076/6.406 5.638 ± 0.9278
ea18 1342 1342/1342 1342 ± 0 5.663 5.087/6.457 5.729 ± 0.8854
ea19 1342 1342/1342 1342 ± 0.000008876 5.144 4.889/6.159 5.437 ± 0.8551
ea20 1342 1342/1342 1342 ± 0.00003015 5.601 5.335/6.753 5.849 ± 0.9877
ea21 1342 1342/1342 1342 ± 0 5.062 4.806/5.758 5.245 ± 0.662
ea22 1342 1342/1342 1342 ± 0 5.341 5.006/6.299 5.516 ± 0.898
ea23 1342 1342/1342 1342 ± 0.0000415 5.407 5.069/6.235 5.638 ± 0.8081
ea24 1342 1342/1342 1342 ± 0.000002413 5.344 4.887/6.453 5.541 ± 0.8743
ea25 1342 1342/1342 1342 ± 0 6.084 5.286/6.718 6.033 ± 0.9496
ea27 1342 1342/1342 1342 ± 0 5.266 4.928/6.266 5.494 ± 0.7632
ea28 1342 1342/1342 1342 ± 0.00001171 5.467 5.289/6.826 5.847 ± 0.8776
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 ± 0.00002348 5.007 4.822/5.124 4.999 ± 0.2421
3 1342 1342/1342 1342 ± 0.00003509 4.082 3.89/4.484 4.175 ± 0.3698
4 1342 1342/1342 1342 ± 0.00002419 3.813 3.692/3.965 3.833 ± 0.2279
5 1342 1342/1342 1342 ± 0.00002348 5.02 4.759/5.279 5.031 ± 0.2934
6 1342 1342/1342 1342 ± 0.00002348 4.981 4.785/5.257 5.001 ± 0.2545
7 1342 1342/1342 1342 ± 0.00002348 5.127 4.865/5.279 5.089 ± 0.2397
8 1342 1342/1342 1342 ± 0.00002348 5.087 4.891/5.292 5.085 ± 0.2767
9 1342 1342/1342 1342 ± 0.00002348 5.405 5.191/5.611 5.412 ± 0.2846
10 1342 1342/1342 1342 ± 0.00002348 6.038 5.785/6.096 5.962 ± 0.2625
11 1342 1342/1342 1342 ± 0.00002348 6.204 6.04/6.359 6.183 ± 0.2663
12 1342 1342/1342 1342 ± 0.00002348 6.396 6.083/6.511 6.35 ± 0.3037
13 1342 1342/1342 1342 ± 0.00002348 6.815 6.548/6.995 6.798 ± 0.3172
14 1342 1342/1342 1342 ± 0.00002348 6.905 6.675/7.113 6.868 ± 0.3332
15 1342 1342/1342 1342 ± 0.00002348 6.578 6.327/6.818 6.573 ± 0.3305
16 1342 1342/1342 1342 ± 0.00005678 5.349 5.138/5.602 5.405 ± 0.396
17 1342 1342/1342 1342 ± 0.00006021 5.121 4.945/5.35 5.191 ± 0.3409
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-22 10:42:56.036
End
2025-07-22 11:40:15.805
Duration
0:57:19.768
Note, WebLog generation is not included in the time.

CASA logs for stage 8