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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.121 5.627/6.611 6.149 ± 0.6118
ea02 1342 1342/1342 1342 ± 0 6.335 5.693/6.559 6.271 ± 0.6129
ea03 1342 1342/1342 1342 ± 0 6.154 5.418/6.769 6.188 ± 0.7433
ea04 1342 1342/1342 1342 ± 0 5.583 5.011/6.008 5.6 ± 0.5662
ea05 1342 1342/1342 1342 ± 0.00002074 5.719 5.328/6.666 5.96 ± 0.65
ea06 1342 1342/1342 1342 ± 0 5.999 5.079/6.15 5.758 ± 0.6382
ea07 1342 1342/1342 1342 ± 0 6.051 5.265/6.336 5.914 ± 0.6563
ea08 1342 1342/1342 1342 ± 0 6.538 5.663/6.854 6.416 ± 0.66
ea09 1342 1342/1342 1342 ± 0.00001856 5.741 5.244/6.503 5.852 ± 0.6416
ea10 1342 1342/1342 1342 ± 0 5.58 5.097/6.037 5.583 ± 0.536
ea11 1342 1342/1342 1342 ± 0.00002258 5.48 5.223/6.297 5.697 ± 0.6618
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.556 5.432/6.121 5.766 ± 0.463
ea14 1342 1342/1342 1342 ± 0 5.962 5.525/6.442 6.065 ± 0.5373
ea15 1342 1342/1342 1342 ± 0.0000206 6.015 5.6/6.627 6.179 ± 0.6755
ea16 1342 1342/1342 1342 ± 0 6.221 5.735/6.788 6.334 ± 0.708
ea17 1342 1342/1342 1342 ± 0 6.287 5.708/6.917 6.289 ± 0.6363
ea18 1342 1342/1342 1342 ± 0 6.324 5.777/6.855 6.268 ± 0.5914
ea19 1342 1342/1342 1342 ± 0 6.102 5.449/6.623 6.045 ± 0.5921
ea20 1342 1342/1342 1342 ± 0.00001113 5.776 5.534/6.585 5.983 ± 0.6094
ea21 1342 1342/1342 1342 ± 0 5.561 5.174/6.035 5.641 ± 0.5184
ea22 1342 1342/1342 1342 ± 0 6.32 5.65/6.776 6.23 ± 0.6364
ea23 1342 1342/1342 1342 ± 0 6.278 5.498/6.449 6.174 ± 0.6629
ea24 1342 1342/1342 1342 ± 0 5.878 5.367/6.599 5.901 ± 0.6294
ea25 1342 1342/1342 1342 ± 0 6.444 5.666/6.959 6.461 ± 0.7862
ea27 1342 1342/1342 1342 ± 0 6.062 5.361/6.586 5.981 ± 0.6597
ea28 1342 1342/1342 1342 ± 0 6.018 5.703/6.872 6.262 ± 0.6178
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 5.47 5.344/5.66 5.487 ± 0.2455
4 1342 1342/1342 1342 ± 0.00002469 5.307 5.125/5.572 5.343 ± 0.335
5 1342 1342/1342 1342 ± 0.00002348 5.432 5.179/5.636 5.421 ± 0.3003
6 1342 1342/1342 1342 ± 0.00002348 5.417 5.215/5.58 5.406 ± 0.2772
7 1342 1342/1342 1342 ± 0.00002348 5.478 5.322/5.647 5.457 ± 0.2322
8 1342 1342/1342 1342 ± 0.00002348 5.451 5.212/5.575 5.396 ± 0.2586
9 1342 1342/1342 1342 ± 0.00002348 5.738 5.573/5.924 5.717 ± 0.2646
10 1342 1342/1342 1342 ± 0.00002348 6.193 6.063/6.278 6.156 ± 0.2293
11 1342 1342/1342 1342 ± 0.00002348 6.435 6.234/6.552 6.382 ± 0.2477
12 1342 1342/1342 1342 ± 0.00002348 6.598 6.271/6.777 6.524 ± 0.2894
13 1342 1342/1342 1342 ± 0.00002348 6.97 6.787/7.246 6.959 ± 0.3237
14 1342 1342/1342 1342 ± 0.00002348 7.123 6.9/7.375 7.154 ± 0.3384
15 1342 1342/1342 1342 ± 0.00002348 6.835 6.616/7.144 6.835 ± 0.3609
16 1342 1342/1342 1342 ± 0.00003284 6.141 5.796/6.466 6.137 ± 0.4152
17 1342 1342/1342 1342 ± 0.00003115 6.159 5.868/6.362 6.108 ± 0.3701
output_dir
 
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-25 09:26:29.086
End
2025-07-25 10:43:35.950
Duration
1:17:06.864
Note, WebLog generation is not included in the time.

CASA logs for stage 8