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

Statwt Summary Plot

VLASS3.2.sb45651824.eb45865366.60434.814344212966_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 6.218 5.132/6.659 5.963 ± 0.8879
ea02 1342 1342/1342 1342 ± 0 6.186 5.437/6.488 6.163 ± 0.6842
ea03 1342 1342/1342 1342 ± 0 6.134 5.16/6.658 5.995 ± 0.8011
ea04 1342 1342/1342 1342 ± 0 5.618 5.049/5.935 5.562 ± 0.5595
ea05 1342 1342/1342 1342 ± 0 5.96 5.265/6.646 5.956 ± 0.6936
ea06 1342 1342/1342 1342 ± 0 5.93 5.014/6.142 5.712 ± 0.7082
ea07 1342 1342/1342 1342 ± 0 6.186 5.125/6.331 5.891 ± 0.7745
ea08 1342 1342/1342 1342 ± 0 6.552 5.348/6.888 6.27 ± 0.8378
ea09 1342 1342/1342 1342 ± 0 5.722 5.002/6.395 5.756 ± 0.7295
ea10 1342 1342/1342 1342 ± 0.00001399 5.529 4.76/6.097 5.46 ± 0.6732
ea11 1342 1342/1342 1342 ± 0.000001262 5.402 4.768/6.189 5.506 ± 0.7504
ea12 1342 1342/1342 1342 ± 0 5.555 5.119/6.302 5.707 ± 0.6652
ea13 1342 1342/1342 1342 ± 0 6.292 5.55/6.377 6.065 ± 0.5678
ea14 1342 1342/1342 1342 ± 0 6.101 5.425/6.572 6.059 ± 0.6351
ea15 1342 1342/1342 1342 ± 0 6.39 5.626/6.849 6.394 ± 0.7589
ea16 1342 1342/1342 1342 ± 0 6.283 5.463/6.748 6.166 ± 0.8108
ea17 1342 1342/1342 1342 ± 0 6.305 5.569/7.085 6.246 ± 0.7663
ea18 1342 1342/1342 1342 ± 0 6.378 5.68/7.225 6.404 ± 0.7996
ea19 1342 1342/1342 1342 ± 0.000008686 6.004 4.799/6.65 5.737 ± 0.9074
ea20 1342 1342/1342 1342 ± 0 6.522 6.293/6.836 6.611 ± 0.3324
ea21 1342 1342/1342 1342 ± 0 5.49 5.058/6.004 5.603 ± 0.5665
ea22 1342 1342/1342 1342 ± 0 6.373 5.313/6.789 6.117 ± 0.8078
ea23 1342 1342/1342 1342 ± 0 5.828 5.271/6.43 5.937 ± 0.7826
ea24 1342 1342/1342 1342 ± 0 6.18 5.022/6.568 5.784 ± 0.8047
ea25 1342 1342/1342 1342 ± 0 6.564 5.319/6.987 6.322 ± 0.9542
ea27 1342 1342/1342 1342 ± 0 5.84 5.107/6.46 5.793 ± 0.7261
ea28 1342 1342/1342 1342 ± 0 6.51 5.582/7.017 6.377 ± 0.7749
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 5.09 4.891/5.313 5.12 ± 0.3293
4 1342 1342/1342 1342 ± 0.00002661 4.98 4.77/5.304 5.011 ± 0.3448
5 1342 1342/1342 1342 ± 0.00002348 5.312 5.068/5.601 5.325 ± 0.3039
6 1342 1342/1342 1342 ± 0.00002348 5.153 4.984/5.502 5.189 ± 0.2968
7 1342 1342/1342 1342 ± 0.00002348 5.26 5.035/5.417 5.241 ± 0.2537
8 1342 1342/1342 1342 ± 0.00002348 5.156 4.977/5.405 5.174 ± 0.2808
9 1342 1342/1342 1342 ± 0.00002348 5.54 5.235/5.768 5.487 ± 0.2877
10 1342 1342/1342 1342 ± 0.00002348 6.186 6.106/6.373 6.188 ± 0.2697
11 1342 1342/1342 1342 ± 0.00002306 6.392 6.206/6.563 6.398 ± 0.2743
12 1342 1342/1342 1342 ± 0.00002306 6.577 6.335/6.748 6.551 ± 0.3199
13 1342 1342/1342 1342 ± 0.00002306 7.033 6.677/7.29 6.988 ± 0.3457
14 1342 1342/1342 1342 ± 0.00002306 7.206 6.947/7.472 7.187 ± 0.3606
15 1342 1342/1342 1342 ± 0.00002306 6.826 6.629/7.244 6.878 ± 0.3919
16 1342 1342/1342 1342 ± 0.00002387 6.285 5.969/6.56 6.25 ± 0.4191
17 1342 1342/1342 1342 ± 0.00002306 6.248 6.011/6.511 6.211 ± 0.4013
datacolumn
residual_data
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-24 13:25:19.699
End
2025-07-24 14:18:49.843
Duration
0:53:30.144
Note, WebLog generation is not included in the time.

CASA logs for stage 8