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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.889 5.649/6.263 5.986 ± 0.4452
ea02 1342 1342/1342 1342 ± 0 5.915 5.46/6.439 5.988 ± 0.5299
ea03 1342 1342/1342 1342 ± 0.00002538 5.07 4.983/6.121 5.458 ± 0.5686
ea04 1342 1342/1342 1342 ± 0 5.176 4.868/5.328 5.163 ± 0.3153
ea06 1342 1342/1342 1342 ± 0 5.765 5.376/6.109 5.804 ± 0.4528
ea07 1342 1342/1342 1342 ± 0 5.428 5.204/5.662 5.446 ± 0.3421
ea08 1342 1342/1342 1342 ± 0.00001989 6.043 5.786/6.501 6.155 ± 0.4928
ea09 1342 1342/1342 1342 ± 0.00000601 5.769 5.359/6.387 5.884 ± 0.5242
ea10 1342 1342/1342 1342 ± 0 5.55 5.314/6.133 5.695 ± 0.4246
ea11 1342 1342/1342 1342 ± 0 5.811 5.648/6.398 6.002 ± 0.5342
ea12 1342 1342/1342 1342 ± 0 5.814 5.498/6.332 5.921 ± 0.5196
ea13 1342 1342/1342 1342 ± 0.00001144 6.095 5.54/6.337 6.009 ± 0.5116
ea14 1342 1342/1342 1342 ± 0 5.702 5.384/6.248 5.842 ± 0.4815
ea15 1342 1342/1342 1342 ± 0 5.56 5.324/6.213 5.755 ± 0.5381
ea16 1342 1342/1342 1342 ± 0.000001246 5.743 5.49/6.074 5.794 ± 0.437
ea17 1342 1342/1342 1342 ± 0 6.256 6.047/6.918 6.435 ± 0.4714
ea18 1342 1342/1342 1342 ± 0 4.559 4.365/4.806 4.599 ± 0.3058
ea19 1342 1342/1342 1342 ± 0 5.781 5.694/6.537 6.076 ± 0.4983
ea20 1342 1342/1342 1342 ± 0 5.747 5.477/6.524 5.935 ± 0.5147
ea21 1342 1342/1342 1342 ± 0.000003192 5.675 5.404/6.11 5.793 ± 0.4276
ea22 1342 1342/1342 1342 ± 0 5.85 5.619/6.333 5.929 ± 0.4571
ea23 1342 1342/1342 1342 ± 0 5.828 5.619/6.403 6.037 ± 0.5585
ea24 1342 1342/1342 1342 ± 0 5.775 5.332/6.325 5.767 ± 0.5025
ea25 1342 1342/1342 1342 ± 0 5.398 5.097/5.604 5.486 ± 0.4296
ea26 1342 1342/1342 1342 ± 0 5.738 5.646/6.568 6.007 ± 0.4716
ea27 1342 1342/1342 1342 ± 0 5.564 5.424/6.371 5.838 ± 0.5187
ea28 1342 1342/1342 1342 ± 0.000005101 5.611 5.502/6.344 5.911 ± 0.5291
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 ± 0.00002305 5.671 5.546/5.878 5.631 ± 0.3441
4 1342 1342/1342 1342 ± 0.00002553 5.395 5.162/5.61 5.396 ± 0.4834
5 1342 1342/1342 1342 ± 0.00002305 5.525 5.318/5.763 5.499 ± 0.3832
6 1342 1342/1342 1342 ± 0.00002305 5.422 5.333/5.636 5.398 ± 0.3171
7 1342 1342/1342 1342 ± 0.00002305 5.389 5.244/5.597 5.372 ± 0.3152
8 1342 1342/1342 1342 ± 0.00002305 5.368 5.109/5.536 5.303 ± 0.334
9 1342 1342/1342 1342 ± 0.00002305 5.599 5.467/5.744 5.543 ± 0.3593
10 1342 1342/1342 1342 ± 0.00002305 5.99 5.759/6.151 5.903 ± 0.3856
11 1342 1342/1342 1342 ± 0.00002305 6.215 6.047/6.317 6.08 ± 0.3894
12 1342 1342/1342 1342 ± 0.00002305 6.327 6.079/6.397 6.18 ± 0.4327
13 1342 1342/1342 1342 ± 0.00002305 6.609 6.438/6.786 6.529 ± 0.4319
14 1342 1342/1342 1342 ± 0.00002305 6.764 6.505/6.934 6.677 ± 0.4201
15 1342 1342/1342 1342 ± 0.00002305 6.496 6.256/6.635 6.387 ± 0.4332
16 1342 1342/1342 1342 ± 0.00003138 5.618 5.357/5.847 5.607 ± 0.3762
17 1342 1342/1342 1342 ± 0.00002658 5.509 5.249/5.736 5.47 ± 0.3439
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
Start time
2025-05-14 08:56:17.315
End
2025-05-14 09:56:15.745
Duration
0:59:58.430
Note, WebLog generation is not included in the time.

CASA logs for stage 8