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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.171 5.556/6.696 6.164 ± 0.6957
ea02 1342 1342/1342 1342 ± 0.00003026 6.242 5.56/6.375 6.094 ± 0.6398
ea03 1342 1342/1342 1342 ± 0 6.067 5.406/6.652 6.06 ± 0.7423
ea04 1342 1342/1342 1342 ± 0.000001995 5.558 5.181/5.972 5.601 ± 0.6038
ea05 1342 1342/1342 1342 ± 0.000002745 6 5.262/6.545 5.886 ± 0.6755
ea06 1342 1342/1342 1342 ± 0 6.001 5.103/6.052 5.743 ± 0.6304
ea07 1342 1342/1342 1342 ± 0 5.989 5.141/6.164 5.827 ± 0.6933
ea08 1342 1342/1342 1342 ± 0 6.423 5.621/6.758 6.306 ± 0.6779
ea09 1342 1342/1342 1342 ± 0 5.64 5.11/6.365 5.785 ± 0.6617
ea10 1342 1342/1342 1342 ± 0 5.415 5.119/6.049 5.518 ± 0.5915
ea11 1342 1342/1342 1342 ± 0.000004117 5.461 5.067/6.128 5.563 ± 0.657
ea13 1342 1342/1342 1342 ± 0 6.303 5.591/6.407 6.088 ± 0.5848
ea14 1342 1342/1342 1342 ± 0.000001954 6.007 5.578/6.437 6.083 ± 0.5341
ea15 1342 1342/1342 1342 ± 0.000004432 6.227 5.61/6.734 6.263 ± 0.7219
ea16 1342 1342/1342 1342 ± 0 6.22 5.635/6.664 6.205 ± 0.6968
ea17 1342 1342/1342 1342 ± 0 6.186 5.776/7.038 6.264 ± 0.7241
ea18 1342 1342/1342 1342 ± 0 6.581 5.917/7.234 6.507 ± 0.7052
ea19 1342 1342/1342 1342 ± 0 5.993 5.363/6.57 5.949 ± 0.7042
ea20 1342 1342/1342 1342 ± 0 6.165 5.496/6.561 6.039 ± 0.6535
ea21 1342 1342/1342 1342 ± 0 5.468 5.118/5.913 5.583 ± 0.5188
ea22 1342 1342/1342 1342 ± 0 6.32 5.629/6.732 6.174 ± 0.6369
ea23 1342 1342/1342 1342 ± 0 5.986 5.443/6.309 5.999 ± 0.6735
ea24 1342 1342/1342 1342 ± 0 6.136 5.373/6.518 5.955 ± 0.6013
ea25 1342 1342/1342 1342 ± 0 6.604 5.707/6.99 6.517 ± 0.7944
ea27 1342 1342/1342 1342 ± 0 5.834 5.298/6.443 5.878 ± 0.6402
ea28 1342 1342/1342 1342 ± 0 6.289 5.735/6.942 6.35 ± 0.6604
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 ± 0.00002404 5.503 5.33/5.668 5.512 ± 0.2551
3 1342 1342/1342 1342 ± 0.00003144 4.106 3.912/4.692 4.244 ± 0.5967
4 1342 1342/1342 1342 ± 0.00002501 5.183 5.045/5.413 5.23 ± 0.2771
5 1342 1342/1342 1342 ± 0.00002351 5.267 5.061/5.498 5.275 ± 0.2906
6 1342 1342/1342 1342 ± 0.00002384 5.327 5.149/5.615 5.358 ± 0.3071
7 1342 1342/1342 1342 ± 0.00002349 5.479 5.28/5.655 5.452 ± 0.2554
8 1342 1342/1342 1342 ± 0.00002349 5.381 5.171/5.607 5.395 ± 0.2802
9 1342 1342/1342 1342 ± 0.00002349 5.652 5.551/5.9 5.701 ± 0.2838
10 1342 1342/1342 1342 ± 0.00002349 6.181 6.029/6.252 6.141 ± 0.2498
11 1342 1342/1342 1342 ± 0.00002366 6.373 6.154/6.509 6.344 ± 0.2703
12 1342 1342/1342 1342 ± 0.00002349 6.485 6.312/6.668 6.491 ± 0.3285
13 1342 1342/1342 1342 ± 0.00002349 6.926 6.735/7.169 6.929 ± 0.3206
14 1342 1342/1342 1342 ± 0.00002349 7.159 6.91/7.44 7.131 ± 0.3475
15 1342 1342/1342 1342 ± 0.00002349 6.852 6.616/7.228 6.873 ± 0.3765
16 1342 1342/1342 1342 ± 0.00002349 6.242 6.002/6.557 6.239 ± 0.3998
17 1342 1342/1342 1342 ± 0.00002349 6.277 6.019/6.447 6.222 ± 0.3732
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
overwrite_modelcol
False
Start time
2025-07-29 05:27:44.720
End
2025-07-29 06:11:13.765
Duration
0:43:29.045
Note, WebLog generation is not included in the time.

CASA logs for stage 8