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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.54 5.875/6.918 6.412 ± 0.7115
ea03 1342 1342/1342 1342 ± 0.00001325 5.95 5.34/6.851 6.005 ± 0.7731
ea04 1342 1342/1342 1342 ± 0 5.925 5.433/6.368 5.946 ± 0.6505
ea05 1342 1342/1342 1342 ± 0 6.017 5.693/7.068 6.344 ± 0.7558
ea06 1342 1342/1342 1342 ± 0 6.398 5.661/6.628 6.244 ± 0.6199
ea07 1342 1342/1342 1342 ± 0 6.216 5.531/6.313 6.117 ± 0.6122
ea08 1342 1342/1342 1342 ± 0.000007818 6.534 5.694/6.923 6.452 ± 0.7199
ea09 1342 1342/1342 1342 ± 0 6.211 5.645/6.974 6.287 ± 0.7737
ea10 1342 1342/1342 1342 ± 0 6.257 5.755/7.043 6.368 ± 0.6664
ea11 1342 1342/1342 1342 ± 0 6.375 5.573/6.921 6.352 ± 0.8014
ea12 1342 1342/1342 1342 ± 0 6.502 5.764/6.904 6.477 ± 0.7246
ea13 1342 1342/1342 1342 ± 0.000001904 6.012 5.902/6.516 6.188 ± 0.5109
ea14 1342 1342/1342 1342 ± 0 6.218 5.848/6.949 6.443 ± 0.6858
ea15 1342 1342/1342 1342 ± 0 5.327 4.879/5.682 5.339 ± 0.5283
ea16 1342 1342/1342 1342 ± 0 6.455 5.852/7.022 6.467 ± 0.7781
ea17 1342 1342/1342 1342 ± 0 6.606 6.027/7.593 6.783 ± 0.7817
ea18 1342 1342/1342 1342 ± 0 5.248 4.868/5.668 5.284 ± 0.525
ea19 1342 1342/1342 1342 ± 0 6.509 6.113/7.412 6.72 ± 0.732
ea20 1342 1342/1342 1342 ± 0 5.98 5.85/7.027 6.298 ± 0.6866
ea21 1342 1342/1342 1342 ± 0 5.887 5.66/6.717 6.13 ± 0.6158
ea22 1342 1342/1342 1342 ± 0 6.346 5.479/6.702 6.138 ± 0.6988
ea23 1342 1342/1342 1342 ± 0 6.111 5.915/7.033 6.482 ± 0.7507
ea24 1342 1342/1342 1342 ± 0 6.192 5.365/6.601 6.029 ± 0.6015
ea25 1342 1342/1342 1342 ± 0 6.625 5.753/6.875 6.498 ± 0.7861
ea26 1342 1342/1342 1342 ± 0 6.607 5.952/7.32 6.591 ± 0.8102
ea27 1342 1342/1342 1342 ± 0 6.155 5.738/7.098 6.353 ± 0.7451
ea28 1342 1342/1342 1342 ± 0 6.228 5.878/7.1 6.483 ± 0.7363
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 5.753 5.564/5.936 5.732 ± 0.3267
3 1342 1342/1342 1342 ± 0.00002349 5.469 5.318/5.592 5.432 ± 0.2987
4 1342 1342/1342 1342 ± 0.00003706 5.351 5.179/5.661 5.307 ± 0.473
5 1342 1342/1342 1342 ± 0.00002307 5.764 5.43/5.92 5.643 ± 0.3659
6 1342 1342/1342 1342 ± 0.00002307 5.679 5.405/5.853 5.618 ± 0.3002
7 1342 1342/1342 1342 ± 0.00002307 5.74 5.515/5.878 5.679 ± 0.3143
8 1342 1342/1342 1342 ± 0.00002307 5.69 5.432/5.856 5.637 ± 0.3498
9 1342 1342/1342 1342 ± 0.00002307 6.067 5.764/6.26 5.956 ± 0.3618
10 1342 1342/1342 1342 ± 0.00002307 6.518 6.27/6.674 6.419 ± 0.3685
11 1342 1342/1342 1342 ± 0.00002307 6.745 6.549/6.937 6.669 ± 0.3879
12 1342 1342/1342 1342 ± 0.00002307 6.909 6.605/7.045 6.823 ± 0.4368
13 1342 1342/1342 1342 ± 0.00002307 7.421 7.064/7.72 7.343 ± 0.4733
14 1342 1342/1342 1342 ± 0.00002307 7.669 7.335/7.879 7.558 ± 0.4696
15 1342 1342/1342 1342 ± 0.00002307 7.2 6.864/7.449 7.108 ± 0.451
16 1342 1342/1342 1342 ± 0.00002463 6.375 6.056/6.611 6.351 ± 0.4207
17 1342 1342/1342 1342 ± 0.00002357 6.313 6.014/6.623 6.297 ± 0.4267
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
Start time
2025-06-13 07:09:57.975
End
2025-06-13 07:28:54.803
Duration
0:18:56.828
Note, WebLog generation is not included in the time.

CASA logs for stage 8