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 5.849 5.682/6.307 6.004 ± 0.4595
ea02 1342 1342/1342 1342 ± 0 5.891 5.527/6.468 6.023 ± 0.5247
ea03 1342 1342/1342 1342 ± 0.00001502 5.103 5.01/6.141 5.476 ± 0.5686
ea04 1342 1342/1342 1342 ± 0.000001687 5.228 4.844/5.352 5.178 ± 0.3304
ea06 1342 1342/1342 1342 ± 0 5.837 5.398/6.162 5.839 ± 0.466
ea07 1342 1342/1342 1342 ± 0 5.402 5.266/5.687 5.468 ± 0.346
ea08 1342 1342/1342 1342 ± 0.000005785 6.035 5.816/6.549 6.193 ± 0.4894
ea09 1342 1342/1342 1342 ± 0 5.813 5.378/6.424 5.901 ± 0.5359
ea10 1342 1342/1342 1342 ± 0 5.576 5.35/6.174 5.734 ± 0.4436
ea11 1342 1342/1342 1342 ± 0 5.84 5.677/6.442 6.028 ± 0.5596
ea12 1342 1342/1342 1342 ± 0 5.845 5.583/6.385 5.967 ± 0.5151
ea13 1342 1342/1342 1342 ± 0 6.127 5.544/6.351 6.038 ± 0.5077
ea14 1342 1342/1342 1342 ± 0 5.73 5.41/6.291 5.883 ± 0.5104
ea15 1342 1342/1342 1342 ± 0 5.588 5.344/6.235 5.785 ± 0.5443
ea16 1342 1342/1342 1342 ± 0 5.776 5.512/6.116 5.838 ± 0.4445
ea17 1342 1342/1342 1342 ± 0 6.29 6.066/6.944 6.45 ± 0.4814
ea18 1342 1342/1342 1342 ± 0 4.593 4.4/4.835 4.634 ± 0.3003
ea19 1342 1342/1342 1342 ± 0 5.843 5.725/6.584 6.126 ± 0.4974
ea20 1342 1342/1342 1342 ± 0 5.791 5.581/6.555 5.991 ± 0.5046
ea21 1342 1342/1342 1342 ± 0.00001276 5.676 5.421/6.158 5.819 ± 0.4397
ea22 1342 1342/1342 1342 ± 0 5.881 5.564/6.405 5.968 ± 0.4734
ea23 1342 1342/1342 1342 ± 0 5.841 5.653/6.44 6.079 ± 0.5632
ea24 1342 1342/1342 1342 ± 0 5.807 5.376/6.377 5.811 ± 0.5107
ea25 1342 1342/1342 1342 ± 0 5.496 5.104/5.627 5.512 ± 0.4429
ea26 1342 1342/1342 1342 ± 0 5.848 5.672/6.612 6.035 ± 0.4917
ea27 1342 1342/1342 1342 ± 0 5.673 5.427/6.434 5.881 ± 0.5331
ea28 1342 1342/1342 1342 ± 0 5.635 5.518/6.385 5.946 ± 0.5387
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 ± 0.00002307 5.693 5.568/5.915 5.653 ± 0.3439
4 1342 1342/1342 1342 ± 0.00002556 5.318 5.108/5.55 5.312 ± 0.4291
5 1342 1342/1342 1342 ± 0.00002307 5.539 5.323/5.829 5.524 ± 0.3845
6 1342 1342/1342 1342 ± 0.00002307 5.439 5.336/5.657 5.423 ± 0.3223
7 1342 1342/1342 1342 ± 0.00002307 5.423 5.28/5.639 5.4 ± 0.3163
8 1342 1342/1342 1342 ± 0.00002307 5.39 5.127/5.538 5.326 ± 0.3308
9 1342 1342/1342 1342 ± 0.00002307 5.632 5.525/5.787 5.575 ± 0.3606
10 1342 1342/1342 1342 ± 0.00002307 6.04 5.797/6.197 5.937 ± 0.3892
11 1342 1342/1342 1342 ± 0.00002307 6.238 6.087/6.351 6.118 ± 0.3954
12 1342 1342/1342 1342 ± 0.00002307 6.368 6.121/6.439 6.22 ± 0.4361
13 1342 1342/1342 1342 ± 0.00002307 6.675 6.493/6.837 6.579 ± 0.4354
14 1342 1342/1342 1342 ± 0.00002307 6.837 6.542/6.967 6.731 ± 0.4257
15 1342 1342/1342 1342 ± 0.00002307 6.561 6.316/6.668 6.427 ± 0.4358
16 1342 1342/1342 1342 ± 0.00002567 5.687 5.424/5.893 5.671 ± 0.3774
17 1342 1342/1342 1342 ± 0.00002498 5.597 5.347/5.798 5.545 ± 0.3344
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
Start time
2025-05-14 08:17:14.305
End
2025-05-14 09:19:27.311
Duration
1:02:13.006
Note, WebLog generation is not included in the time.

CASA logs for stage 8