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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.436 5.268/6.131 5.552 ± 0.7806
ea02 1342 1342/1342 1342 ± 0.0000365 5.364 5.063/6.266 5.483 ± 0.7892
ea03 1342 1342/1342 1342 ± 0 5.316 5.131/6.176 5.563 ± 0.651
ea04 1342 1342/1342 1342 ± 0.0000403 5.04 4.804/5.838 5.107 ± 0.672
ea05 1342 1342/1342 1342 ± 0.00004336 5.19 4.974/6.172 5.365 ± 0.7666
ea06 1342 1342/1342 1342 ± 0.000005521 5.057 4.706/5.728 5.103 ± 0.5961
ea07 1342 1342/1342 1342 ± 0.00003597 5.04 4.802/5.992 5.278 ± 0.7241
ea08 1342 1342/1342 1342 ± 0.00002687 5.505 5.258/6.587 5.693 ± 0.8127
ea09 1342 1342/1342 1342 ± 0.00001945 5.297 5.003/6.009 5.531 ± 0.652
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00004787 5.167 4.573/6.064 5.237 ± 0.8374
ea12 1342 1342/1342 1342 ± 0.00003411 5.066 4.755/5.72 5.078 ± 0.6974
ea14 1342 1342/1342 1342 ± 0.0000415 5.347 5.067/6.256 5.445 ± 0.7354
ea15 1342 1342/1342 1342 ± 0.00004454 5.476 5.28/6.459 5.609 ± 0.8853
ea16 1342 1342/1342 1342 ± 0.000006197 5.676 5.157/6.255 5.643 ± 0.7642
ea17 1342 1342/1342 1342 ± 0.00003606 5.584 5.155/6.42 5.693 ± 0.8465
ea18 1342 1342/1342 1342 ± 0.00002205 5.582 5.258/6.556 5.701 ± 0.8026
ea19 1342 1342/1342 1342 ± 0.00001579 5.208 4.988/6.095 5.334 ± 0.751
ea20 1342 1342/1342 1342 ± 0.000004606 5.756 5.538/6.606 5.965 ± 0.7196
ea21 1342 1342/1342 1342 ± 0 5.013 4.824/5.64 5.142 ± 0.5365
ea22 1342 1342/1342 1342 ± 0.000031 5.406 5.001/6.23 5.445 ± 0.7296
ea23 1342 1342/1342 1342 ± 0.00004103 5.481 5.027/6.228 5.52 ± 0.7859
ea24 1342 1342/1342 1342 ± 0 5.241 5.029/6.16 5.519 ± 0.6284
ea25 1342 1342/1342 1342 ± 0.000002304 5.789 5.363/6.576 5.959 ± 0.7593
ea27 1342 1342/1342 1342 ± 0.000001149 5.071 4.834/6.11 5.22 ± 0.7708
ea28 1342 1342/1342 1342 ± 0 5.678 5.523/6.607 5.931 ± 0.6914
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 ± 0.00002439 5.137 4.931/5.313 5.135 ± 0.2551
5 1342 1342/1342 1342 ± 0.00002513 5.019 4.762/5.241 5.023 ± 0.3566
6 1342 1342/1342 1342 ± 0.00002489 5.127 4.848/5.415 5.126 ± 0.2826
7 1342 1342/1342 1342 ± 0.00002439 5.254 5.034/5.398 5.231 ± 0.2384
8 1342 1342/1342 1342 ± 0.00002439 5.141 4.984/5.361 5.175 ± 0.2661
9 1342 1342/1342 1342 ± 0.00002439 5.498 5.289/5.702 5.49 ± 0.2566
10 1342 1342/1342 1342 ± 0.00002439 5.979 5.754/6.07 5.924 ± 0.2679
11 1342 1342/1342 1342 ± 0.00002439 6.231 6.102/6.421 6.211 ± 0.2769
12 1342 1342/1342 1342 ± 0.00002439 6.363 6.247/6.577 6.392 ± 0.3232
13 1342 1342/1342 1342 ± 0.00002439 6.548 6.279/6.866 6.594 ± 0.4101
14 1342 1342/1342 1342 ± 0.0000333 5.303 5.052/5.787 5.516 ± 0.666
15 1342 1342/1342 1342 ± 0.00002439 6.27 6.003/6.625 6.282 ± 0.414
16 1342 1342/1342 1342 ± 0.00005997 4.315 4.067/4.529 4.386 ± 0.4422
17 1342 1342/1342 1342 ± 0.00006085 4.164 3.983/4.393 4.232 ± 0.3585
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-23 15:13:39.838
End
2025-07-23 16:17:54.783
Duration
1:04:14.945
Note, WebLog generation is not included in the time.

CASA logs for stage 8