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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.241 5.864/6.882 6.304 ± 0.773
ea02 1342 1342/1342 1342 ± 0 6.295 5.732/6.644 6.217 ± 0.8508
ea03 1342 1342/1342 1342 ± 0 6.036 5.566/6.764 6.164 ± 0.8441
ea04 1342 1342/1342 1342 ± 0.000005243 5.621 5.168/6.074 5.65 ± 0.6924
ea05 1342 1342/1342 1342 ± 0 6.024 5.601/6.656 6.118 ± 0.7531
ea06 1342 1342/1342 1342 ± 0 5.868 5.218/6.236 5.781 ± 0.7619
ea07 1342 1342/1342 1342 ± 0 6.09 5.506/6.703 6.13 ± 0.8246
ea08 1342 1342/1342 1342 ± 0 6.637 5.893/7.007 6.573 ± 0.7121
ea09 1342 1342/1342 1342 ± 0 5.822 5.362/6.572 6.054 ± 0.6458
ea10 1342 1342/1342 1342 ± 0 5.888 5.383/6.323 5.806 ± 0.8117
ea11 1342 1342/1342 1342 ± 0 5.925 5.457/6.637 5.965 ± 0.7926
ea12 1342 1342/1342 1342 ± 0 5.655 5.415/6.314 5.834 ± 0.7414
ea13 1342 1342/1342 1342 ± 0 6.336 5.655/6.496 6.104 ± 0.7455
ea14 1342 1342/1342 1342 ± 0 6.173 5.804/6.733 6.203 ± 0.7983
ea15 1342 1342/1342 1342 ± 0 6.868 6.807/7.516 7.077 ± 0.4422
ea17 1342 1342/1342 1342 ± 0 6.43 5.976/7.226 6.478 ± 0.8368
ea18 1342 1342/1342 1342 ± 0 6.421 5.938/7.165 6.503 ± 0.7246
ea19 1342 1342/1342 1342 ± 0 5.998 5.696/6.712 6.169 ± 0.7638
ea20 1342 1342/1342 1342 ± 0 6.596 6.088/7.255 6.646 ± 0.7644
ea21 1342 1342/1342 1342 ± 0 5.488 5.213/6.011 5.567 ± 0.6455
ea22 1342 1342/1342 1342 ± 0 6.237 5.737/6.742 6.262 ± 0.7082
ea23 1342 1342/1342 1342 ± 0 6.342 5.664/6.573 6.274 ± 0.6632
ea24 1342 1342/1342 1342 ± 0 6.331 5.481/6.725 6.095 ± 0.6506
ea25 1342 1342/1342 1342 ± 0 6.727 5.872/7.207 6.646 ± 0.904
ea27 1342 1342/1342 1342 ± 0 5.843 5.468/6.525 5.973 ± 0.5775
ea28 1342 1342/1342 1342 ± 0 6.383 5.942/7.213 6.525 ± 0.8022
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 ± 0.00002397 5.63 5.479/5.861 5.647 ± 0.2563
3 1342 1342/1342 1342 ± 0.0000271 4.283 3.996/4.805 4.38 ± 0.5772
4 1342 1342/1342 1342 ± 0.00002432 5.586 5.246/5.775 5.563 ± 0.3437
5 1342 1342/1342 1342 ± 0.00002397 5.626 5.341/5.802 5.614 ± 0.2911
6 1342 1342/1342 1342 ± 0.00002397 5.58 5.355/5.833 5.578 ± 0.2894
7 1342 1342/1342 1342 ± 0.00002397 5.668 5.535/5.863 5.674 ± 0.2558
8 1342 1342/1342 1342 ± 0.00002397 5.605 5.323/5.839 5.589 ± 0.3031
9 1342 1342/1342 1342 ± 0.00002397 5.873 5.704/6.104 5.884 ± 0.3015
10 1342 1342/1342 1342 ± 0.00002353 6.43 6.218/6.5 6.374 ± 0.2887
11 1342 1342/1342 1342 ± 0.00002353 6.609 6.381/6.744 6.582 ± 0.2909
12 1342 1342/1342 1342 ± 0.00002353 6.743 6.497/6.905 6.721 ± 0.3426
13 1342 1342/1342 1342 ± 0.00002353 7.203 6.909/7.506 7.223 ± 0.3669
14 1342 1342/1342 1342 ± 0.00002353 7.422 7.062/7.716 7.392 ± 0.3718
15 1342 1342/1342 1342 ± 0.00002353 7.102 6.747/7.413 7.077 ± 0.3846
16 1342 1342/1342 1342 ± 0.00002353 6.468 6.187/6.936 6.502 ± 0.4271
17 1342 1342/1342 1342 ± 0.00002353 6.481 6.141/6.828 6.451 ± 0.4148
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-30 22:24:00.781
End
2025-07-30 23:07:43.027
Duration
0:43:42.246
Note, WebLog generation is not included in the time.

CASA logs for stage 8