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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.898 4.943/6.252 5.574 ± 0.7963
ea02 1342 1342/1342 1342 ± 0.00003943 6.232 5.346/6.659 5.964 ± 0.897
ea04 1342 1342/1342 1342 ± 0.00003226 5.643 4.629/6.186 5.416 ± 0.8521
ea05 1342 1342/1342 1342 ± 0.00001661 5.482 4.793/6.428 5.557 ± 0.9016
ea06 1342 1342/1342 1342 ± 0.00002861 5.635 4.348/5.909 5.167 ± 0.8332
ea07 1342 1342/1342 1342 ± 0.0000275 5.899 5.356/6.185 5.758 ± 0.6766
ea09 1342 1342/1342 1342 ± 0.00003214 5.379 4.646/6.173 5.341 ± 0.8267
ea10 1342 1342/1342 1342 ± 0.00002904 5.055 4.513/5.878 5.13 ± 0.7744
ea11 1342 1342/1342 1342 ± 0.0000326 5.676 5.151/6.496 5.721 ± 0.8881
ea12 1342 1342/1342 1342 ± 0.00003242 5.618 4.583/6.691 5.656 ± 1.076
ea13 1342 1342/1342 1342 ± 0.00002284 6.001 5.282/6.289 5.84 ± 0.821
ea14 1342 1342/1342 1342 ± 0.00003023 6.056 5.059/6.572 5.778 ± 0.9274
ea15 1342 1342/1342 1342 ± 0.00003095 5.743 5.054/6.473 5.735 ± 0.9465
ea16 1342 1342/1342 1342 ± 0.00002868 6.054 5.345/6.885 6.03 ± 1.058
ea17 1342 1342/1342 1342 ± 0.00003412 6.089 5.536/6.746 5.998 ± 0.8967
ea18 1342 1342/1342 1342 ± 0.00003209 4.709 4.392/5.707 5.036 ± 0.7086
ea19 1342 1342/1342 1342 ± 0.0000186 5.837 5.429/6.655 5.928 ± 0.8874
ea20 1342 1342/1342 1342 ± 0.00003341 6.043 5.539/7.041 6.212 ± 0.9692
ea21 1342 1342/1342 1342 ± 0.00002856 5.622 5.334/6.348 5.713 ± 0.824
ea22 1342 1342/1342 1342 ± 0.00003726 5.782 4.667/6.499 5.661 ± 1.005
ea23 1342 1342/1342 1342 ± 0.00002651 5.627 5.254/6.619 5.853 ± 0.894
ea24 1342 1342/1342 1342 ± 0.00002258 5.636 4.279/6.123 5.328 ± 0.8941
ea25 1342 1342/1342 1342 ± 0.00003187 5.333 4.948/6.307 5.553 ± 0.8769
ea26 1342 1342/1342 1342 ± 0.00002421 5.763 5.014/6.86 5.923 ± 1.005
ea27 1342 1342/1342 1342 ± 0.00003257 5.331 4.981/6.518 5.611 ± 0.8976
ea28 1342 1342/1342 1342 ± 0.00003458 6.168 4.939/6.683 5.864 ± 0.9599
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 ± 0.00002394 4.767 4.467/4.995 4.77 ± 0.4564
5 1342 1342/1342 1342 ± 0.00002352 5.491 5.245/5.675 5.462 ± 0.4112
6 1342 1342/1342 1342 ± 0.00002394 4.949 4.634/5.138 4.916 ± 0.3498
7 1342 1342/1342 1342 ± 0.00002415 5.183 4.996/5.336 5.175 ± 0.29
8 1342 1342/1342 1342 ± 0.00002415 4.983 4.69/5.31 4.992 ± 0.4143
9 1342 1342/1342 1342 ± 0.00002624 5.319 5.053/5.608 5.301 ± 0.4132
10 1342 1342/1342 1342 ± 0.00002363 6.083 5.829/6.188 6.013 ± 0.2792
11 1342 1342/1342 1342 ± 0.00002363 6.359 6.067/6.501 6.298 ± 0.2987
12 1342 1342/1342 1342 ± 0.00002363 6.486 6.193/6.681 6.467 ± 0.3457
13 1342 1342/1342 1342 ± 0.00002363 6.703 6.406/6.998 6.653 ± 0.4274
14 1342 1342/1342 1342 ± 0.00002363 7.035 6.734/7.22 6.943 ± 0.4139
15 1342 1342/1342 1342 ± 0.00002701 6.487 6.183/6.674 6.408 ± 0.381
16 1342 1342/1342 1342 ± 0.00005217 4.005 3.913/4.09 4.001 ± 0.2192
17 1342 1342/1342 1342 ± 0.00005408 4.067 3.914/4.226 4.076 ± 0.2698
datacolumn
residual_data
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-10-31 14:12:46.124
End
2024-10-31 15:13:18.873
Duration
1:00:32.749
Note, WebLog generation is not included in the time.

CASA logs for stage 8