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 5.482 5.221/6.203 5.573 ± 0.849
ea02 1342 1342/1342 1342 ± 0.000009961 5.728 5.295/6.394 5.746 ± 0.8725
ea03 1342 1342/1342 1342 ± 0.000001249 5.346 5.182/6.567 5.743 ± 0.7844
ea04 1342 1342/1342 1342 ± 0.00004518 5.118 4.942/6.04 5.229 ± 0.7566
ea05 1342 1342/1342 1342 ± 0.00004594 5.358 5.06/6.42 5.525 ± 0.8398
ea06 1342 1342/1342 1342 ± 0.00002328 5.201 4.829/6.04 5.382 ± 0.7384
ea07 1342 1342/1342 1342 ± 0.00002247 5.154 4.977/6.254 5.443 ± 0.9984
ea08 1342 1342/1342 1342 ± 0 5.658 5.442/6.789 5.915 ± 0.9635
ea09 1342 1342/1342 1342 ± 0.00004395 5.022 4.726/6.029 5.238 ± 0.7159
ea10 1342 1342/1342 1342 ± 0.00004 5.044 4.697/6.052 5.219 ± 0.7881
ea11 1342 1342/1342 1342 ± 0.00004879 5.254 4.566/6.214 5.251 ± 0.9008
ea12 1342 1342/1342 1342 ± 0.00004403 5.072 4.902/5.919 5.175 ± 0.8017
ea14 1342 1342/1342 1342 ± 0.00004544 5.517 5.291/6.478 5.607 ± 0.8058
ea15 1342 1342/1342 1342 ± 0.00004791 5.494 5.409/6.579 5.684 ± 0.8924
ea16 1342 1342/1342 1342 ± 0.00001998 5.745 5.274/6.599 5.806 ± 0.871
ea17 1342 1342/1342 1342 ± 0.00002387 5.609 5.272/6.488 5.695 ± 1.033
ea18 1342 1342/1342 1342 ± 0 5.733 5.531/6.86 5.989 ± 0.9094
ea19 1342 1342/1342 1342 ± 0.00003943 5.148 5.029/6.333 5.433 ± 0.8729
ea20 1342 1342/1342 1342 ± 0.00002855 5.847 5.659/6.829 6.048 ± 0.8414
ea21 1342 1342/1342 1342 ± 0.000001249 5.106 4.979/5.923 5.347 ± 0.6401
ea22 1342 1342/1342 1342 ± 0.000001233 5.578 5.154/6.424 5.658 ± 0.9001
ea23 1342 1342/1342 1342 ± 0.00004235 5.515 5.19/6.355 5.605 ± 0.8579
ea24 1342 1342/1342 1342 ± 0.000004501 5.315 5.049/6.365 5.683 ± 0.6801
ea25 1342 1342/1342 1342 ± 0.000009404 5.716 5.379/6.853 6.068 ± 0.9121
ea27 1342 1342/1342 1342 ± 0.00001041 5.375 5.068/6.358 5.551 ± 0.7482
ea28 1342 1342/1342 1342 ± 0 5.741 5.608/6.792 6.071 ± 0.6885
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 5.163 4.97/5.278 5.165 ± 0.262
3 1342 1342/1342 1342 ± 0.00004037 3.52 3.069/3.796 3.462 ± 0.5038
5 1342 1342/1342 1342 ± 0.00002367 5.089 4.946/5.46 5.162 ± 0.338
6 1342 1342/1342 1342 ± 0.00002348 5.242 5.008/5.514 5.248 ± 0.289
7 1342 1342/1342 1342 ± 0.00002348 5.277 5.024/5.446 5.246 ± 0.2578
8 1342 1342/1342 1342 ± 0.00002348 5.245 5.058/5.455 5.243 ± 0.2875
9 1342 1342/1342 1342 ± 0.00002348 5.522 5.342/5.738 5.53 ± 0.3046
10 1342 1342/1342 1342 ± 0.00002348 6.122 5.948/6.242 6.1 ± 0.2778
11 1342 1342/1342 1342 ± 0.00002348 6.396 6.202/6.5 6.381 ± 0.2747
12 1342 1342/1342 1342 ± 0.00002348 6.574 6.29/6.662 6.532 ± 0.3127
13 1342 1342/1342 1342 ± 0.00002349 6.831 6.412/7.066 6.814 ± 0.3783
14 1342 1342/1342 1342 ± 0.000044 5.982 5.505/6.465 6.037 ± 0.621
15 1342 1342/1342 1342 ± 0.00002348 6.661 6.28/6.997 6.646 ± 0.3654
16 1342 1342/1342 1342 ± 0.00006092 4.14 3.948/4.476 4.274 ± 0.4736
17 1342 1342/1342 1342 ± 0.00006076 4.243 4.054/4.54 4.316 ± 0.3568
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
Start time
2025-07-22 22:06:02.669
End
2025-07-22 22:58:58.822
Duration
0:52:56.153
Note, WebLog generation is not included in the time.

CASA logs for stage 8