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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.237 5.693/6.669 6.214 ± 0.6946
ea02 1342 1342/1342 1342 ± 0 6.304 5.598/6.497 6.243 ± 0.633
ea03 1342 1342/1342 1342 ± 0 6.217 5.444/6.827 6.25 ± 0.7652
ea04 1342 1342/1342 1342 ± 0 5.669 5.149/6.166 5.737 ± 0.5999
ea05 1342 1342/1342 1342 ± 0 6.062 5.416/6.753 6.04 ± 0.7157
ea06 1342 1342/1342 1342 ± 0 6.134 5.135/6.335 5.871 ± 0.6852
ea07 1342 1342/1342 1342 ± 0 6.159 5.347/6.548 6.04 ± 0.7402
ea08 1342 1342/1342 1342 ± 0 6.678 5.703/6.895 6.456 ± 0.6948
ea09 1342 1342/1342 1342 ± 0 5.734 5.16/6.481 5.847 ± 0.6947
ea10 1342 1342/1342 1342 ± 0 5.902 5.249/6.313 5.822 ± 0.6221
ea11 1342 1342/1342 1342 ± 0 5.71 5.371/6.537 5.874 ± 0.7499
ea12 1342 1342/1342 1342 ± 0 5.789 5.26/6.367 5.828 ± 0.6623
ea13 1342 1342/1342 1342 ± 0 6.131 5.62/6.338 6.09 ± 0.5354
ea14 1342 1342/1342 1342 ± 0 6.278 5.608/6.548 6.166 ± 0.6359
ea15 1342 1342/1342 1342 ± 0 6.254 5.616/6.653 6.222 ± 0.7121
ea16 1342 1342/1342 1342 ± 0 6.224 5.815/6.801 6.357 ± 0.6848
ea17 1342 1342/1342 1342 ± 0 6.293 5.833/7.139 6.396 ± 0.7767
ea18 1342 1342/1342 1342 ± 0 6.551 5.923/7.195 6.5 ± 0.7194
ea19 1342 1342/1342 1342 ± 0 6.206 5.505/6.707 6.131 ± 0.696
ea20 1342 1342/1342 1342 ± 0 5.98 5.683/6.107 5.859 ± 0.4363
ea21 1342 1342/1342 1342 ± 0 5.567 5.102/5.919 5.571 ± 0.5321
ea22 1342 1342/1342 1342 ± 0 6.207 5.517/6.575 6.042 ± 0.6441
ea23 1342 1342/1342 1342 ± 0 6.153 5.476/6.325 6.069 ± 0.6791
ea24 1342 1342/1342 1342 ± 0 6.278 5.363/6.685 6.055 ± 0.6821
ea25 1342 1342/1342 1342 ± 0 6.585 5.726/7.179 6.545 ± 0.8523
ea27 1342 1342/1342 1342 ± 0 5.984 5.302/6.379 5.892 ± 0.6098
ea28 1342 1342/1342 1342 ± 0 6.536 5.787/7.044 6.469 ± 0.7128
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 ± 0.00002306 5.475 5.324/5.634 5.493 ± 0.2496
3 1342 1342/1342 1342 ± 0.00003253 4.725 4.215/4.922 4.719 ± 0.513
4 1342 1342/1342 1342 ± 0.00002306 5.332 5.13/5.612 5.37 ± 0.2943
5 1342 1342/1342 1342 ± 0.00002306 5.445 5.163/5.736 5.482 ± 0.2993
6 1342 1342/1342 1342 ± 0.00002306 5.445 5.121/5.585 5.382 ± 0.2733
7 1342 1342/1342 1342 ± 0.00002306 5.518 5.372/5.754 5.542 ± 0.2424
8 1342 1342/1342 1342 ± 0.00002306 5.507 5.232/5.676 5.473 ± 0.2855
9 1342 1342/1342 1342 ± 0.00002306 5.75 5.639/5.966 5.79 ± 0.2893
10 1342 1342/1342 1342 ± 0.00002349 6.236 6.134/6.33 6.225 ± 0.2497
11 1342 1342/1342 1342 ± 0.00002349 6.478 6.24/6.609 6.442 ± 0.2643
12 1342 1342/1342 1342 ± 0.00002349 6.568 6.352/6.762 6.582 ± 0.3074
13 1342 1342/1342 1342 ± 0.00002349 7.07 6.761/7.313 7.06 ± 0.3252
14 1342 1342/1342 1342 ± 0.00002349 7.348 7.081/7.521 7.312 ± 0.3406
15 1342 1342/1342 1342 ± 0.00002349 6.998 6.726/7.272 7.002 ± 0.3402
16 1342 1342/1342 1342 ± 0.00002349 6.343 6.066/6.723 6.388 ± 0.3866
17 1342 1342/1342 1342 ± 0.00002349 6.361 6.142/6.607 6.347 ± 0.3643
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-30 13:20:38.148
End
2025-07-30 14:39:26.521
Duration
1:18:48.373
Note, WebLog generation is not included in the time.

CASA logs for stage 8