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 6.252 5.599/6.659 6.206 ± 0.6425
ea02 1342 1342/1342 1342 ± 0 6.379 5.69/6.556 6.289 ± 0.6147
ea03 1342 1342/1342 1342 ± 0 6.115 5.417/6.773 6.14 ± 0.7461
ea04 1342 1342/1342 1342 ± 0 5.641 5.125/5.968 5.619 ± 0.5353
ea05 1342 1342/1342 1342 ± 0 6.097 5.45/6.7 6.05 ± 0.6853
ea06 1342 1342/1342 1342 ± 0 5.97 5.03/6.083 5.71 ± 0.6331
ea07 1342 1342/1342 1342 ± 0 6.086 5.269/6.323 5.93 ± 0.6882
ea08 1342 1342/1342 1342 ± 0 6.527 5.639/6.866 6.397 ± 0.6824
ea09 1342 1342/1342 1342 ± 0 5.885 5.277/6.546 5.94 ± 0.6492
ea10 1342 1342/1342 1342 ± 0 5.628 5.06/6.05 5.609 ± 0.5648
ea11 1342 1342/1342 1342 ± 0 5.678 5.312/6.344 5.801 ± 0.6262
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.965 5.517/6.332 5.973 ± 0.5243
ea14 1342 1342/1342 1342 ± 0 6.095 5.577/6.614 6.201 ± 0.5889
ea15 1342 1342/1342 1342 ± 0 6.26 5.61/6.662 6.2 ± 0.7215
ea16 1342 1342/1342 1342 ± 0 6.305 5.681/6.825 6.321 ± 0.7466
ea17 1342 1342/1342 1342 ± 0 6.313 5.74/7.014 6.359 ± 0.6985
ea18 1342 1342/1342 1342 ± 0 6.377 5.767/6.977 6.299 ± 0.6666
ea19 1342 1342/1342 1342 ± 0 6.069 5.457/6.589 6.005 ± 0.6321
ea20 1342 1342/1342 1342 ± 0 6.342 5.744/6.867 6.337 ± 0.5815
ea21 1342 1342/1342 1342 ± 0 5.599 5.118/5.974 5.614 ± 0.529
ea22 1342 1342/1342 1342 ± 0 6.338 5.715/6.716 6.225 ± 0.6348
ea23 1342 1342/1342 1342 ± 0 6.248 5.49/6.432 6.156 ± 0.6811
ea24 1342 1342/1342 1342 ± 0 6.144 5.396/6.675 6.037 ± 0.6387
ea25 1342 1342/1342 1342 ± 0 6.608 5.722/6.99 6.533 ± 0.8
ea27 1342 1342/1342 1342 ± 0 6.08 5.369/6.575 6.022 ± 0.6551
ea28 1342 1342/1342 1342 ± 0 6.485 5.852/7.022 6.479 ± 0.639
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 ± 0.00002349 5.455 5.31/5.677 5.478 ± 0.2578
4 1342 1342/1342 1342 ± 0.00003509 5.122 4.949/5.433 5.181 ± 0.2363
5 1342 1342/1342 1342 ± 0.00002349 5.448 5.154/5.662 5.448 ± 0.3022
6 1342 1342/1342 1342 ± 0.00002349 5.456 5.104/5.585 5.379 ± 0.2889
7 1342 1342/1342 1342 ± 0.00002349 5.498 5.384/5.656 5.471 ± 0.2454
8 1342 1342/1342 1342 ± 0.00002349 5.442 5.244/5.633 5.412 ± 0.2764
9 1342 1342/1342 1342 ± 0.00002349 5.736 5.627/5.96 5.744 ± 0.2784
10 1342 1342/1342 1342 ± 0.00002349 6.256 6.073/6.325 6.192 ± 0.249
11 1342 1342/1342 1342 ± 0.00002349 6.486 6.3/6.572 6.421 ± 0.2617
12 1342 1342/1342 1342 ± 0.00002349 6.627 6.309/6.8 6.572 ± 0.3165
13 1342 1342/1342 1342 ± 0.00002349 7.011 6.858/7.283 7.012 ± 0.3411
14 1342 1342/1342 1342 ± 0.00002349 7.299 7.004/7.433 7.209 ± 0.3533
15 1342 1342/1342 1342 ± 0.00002349 6.905 6.692/7.207 6.891 ± 0.37
16 1342 1342/1342 1342 ± 0.00002349 6.23 6.081/6.532 6.254 ± 0.3601
17 1342 1342/1342 1342 ± 0.00002349 6.264 6.076/6.467 6.227 ± 0.3264
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-25 07:16:24.241
End
2025-07-25 07:59:49.702
Duration
0:43:25.462
Note, WebLog generation is not included in the time.

CASA logs for stage 8