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 5.261 4.829/6.008 5.241 ± 1.019
ea02 1342 1342/1342 1342 ± 0.00002858 5.017 4.827/6.081 5.246 ± 0.9716
ea03 1342 1342/1342 1342 ± 0.000003929 5.172 5.045/6.297 5.487 ± 0.7768
ea04 1342 1342/1342 1342 ± 0.00004714 4.896 4.536/5.77 4.914 ± 0.8057
ea05 1342 1342/1342 1342 ± 0.00005111 5.166 4.81/6.105 5.171 ± 0.9566
ea06 1342 1342/1342 1342 ± 0.00002643 4.96 4.673/5.65 5.035 ± 0.7484
ea07 1342 1342/1342 1342 ± 0.00004154 4.879 4.654/5.816 5.052 ± 0.8866
ea08 1342 1342/1342 1342 ± 0.000005236 5.459 5.212/6.41 5.524 ± 0.9427
ea09 1342 1342/1342 1342 ± 0.0000467 4.863 4.54/5.746 4.862 ± 0.8395
ea10 1342 1342/1342 1342 ± 0.00004057 2.595 2.479/2.822 2.63 ± 0.2269
ea11 1342 1342/1342 1342 ± 0.00005211 5.041 4.45/6.042 4.959 ± 1.014
ea12 1342 1342/1342 1342 ± 0.00004454 4.947 4.59/5.704 4.935 ± 0.8568
ea14 1342 1342/1342 1342 ± 0.00005059 5.175 4.897/6.145 5.225 ± 0.9294
ea15 1342 1342/1342 1342 ± 0.00005027 5.275 4.908/6.317 5.337 ± 1.005
ea16 1342 1342/1342 1342 ± 0.00002479 5.624 5.077/6.27 5.576 ± 0.9371
ea17 1342 1342/1342 1342 ± 0.00004341 5.419 5.003/6.236 5.421 ± 1.007
ea18 1342 1342/1342 1342 ± 0.000005853 5.465 5.303/6.416 5.604 ± 0.8935
ea19 1342 1342/1342 1342 ± 0.00004296 5.174 5.063/6.064 5.244 ± 0.9064
ea20 1342 1342/1342 1342 ± 0.00004196 5.577 5.198/6.54 5.598 ± 0.9742
ea21 1342 1342/1342 1342 ± 0.000005397 4.978 4.751/5.566 5.077 ± 0.6201
ea22 1342 1342/1342 1342 ± 0.0000146 5.288 4.882/6.098 5.283 ± 0.91
ea23 1342 1342/1342 1342 ± 0.00004943 5.404 4.885/6.117 5.301 ± 0.9611
ea24 1342 1342/1342 1342 ± 0.0000127 4.992 4.613/5.877 5.203 ± 0.734
ea25 1342 1342/1342 1342 ± 0.00001359 5.509 5.272/6.584 5.831 ± 0.9392
ea27 1342 1342/1342 1342 ± 0.00001858 5.094 4.862/6.128 5.199 ± 0.8664
ea28 1342 1342/1342 1342 ± 0.00000131 5.493 5.356/6.498 5.643 ± 0.8542
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 4.992 4.781/5.182 4.896 ± 0.5246
5 1342 1342/1342 1342 ± 0.00003148 4.872 4.654/5.12 4.838 ± 0.5634
6 1342 1342/1342 1342 ± 0.00002394 4.989 4.761/5.215 4.896 ± 0.5361
7 1342 1342/1342 1342 ± 0.00002349 5.125 4.873/5.276 5.012 ± 0.5397
8 1342 1342/1342 1342 ± 0.00002349 5.048 4.861/5.274 4.965 ± 0.5603
9 1342 1342/1342 1342 ± 0.00002349 5.292 5.095/5.511 5.217 ± 0.5775
10 1342 1342/1342 1342 ± 0.00002348 5.838 5.65/5.916 5.699 ± 0.6325
11 1342 1342/1342 1342 ± 0.00002348 6.11 5.816/6.236 5.974 ± 0.6624
12 1342 1342/1342 1342 ± 0.00002348 6.253 5.991/6.41 6.126 ± 0.6936
13 1342 1342/1342 1342 ± 0.00002391 6.427 6.148/6.757 6.321 ± 0.7583
14 1342 1342/1342 1342 ± 0.00005575 5.014 4.678/5.524 5.127 ± 0.8991
15 1342 1342/1342 1342 ± 0.00002348 6.389 6.036/6.719 6.229 ± 0.8607
16 1342 1342/1342 1342 ± 0.00006003 3.461 3.301/3.756 3.558 ± 0.4549
17 1342 1342/1342 1342 ± 0.00006036 3.629 3.328/3.916 3.638 ± 0.428
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
output_dir
 
Start time
2025-07-22 23:15:43.753
End
2025-07-23 00:05:20.485
Duration
0:49:36.732
Note, WebLog generation is not included in the time.

CASA logs for stage 8