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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.104 5.818/6.619 6.152 ± 0.7793
ea03 1342 1342/1342 1342 ± 0.00001715 5.657 5.249/6.355 5.748 ± 0.71
ea04 1342 1342/1342 1342 ± 0 5.608 5.273/6.131 5.71 ± 0.5535
ea05 1342 1342/1342 1342 ± 0 5.945 5.624/6.565 6.095 ± 0.6608
ea06 1342 1342/1342 1342 ± 0 6.02 5.609/6.389 6.062 ± 0.532
ea07 1342 1342/1342 1342 ± 0 5.963 5.444/6.127 5.932 ± 0.5173
ea08 1342 1342/1342 1342 ± 0.00001518 6.151 5.674/6.504 6.147 ± 0.6516
ea09 1342 1342/1342 1342 ± 0.000005119 5.975 5.494/6.609 6.074 ± 0.7057
ea10 1342 1342/1342 1342 ± 0 5.955 5.581/6.602 6.059 ± 0.5869
ea11 1342 1342/1342 1342 ± 0.000008977 6.131 5.455/6.582 6.101 ± 0.6998
ea12 1342 1342/1342 1342 ± 0.00000185 6.043 5.696/6.643 6.199 ± 0.7597
ea13 1342 1342/1342 1342 ± 0 6 5.898/6.385 6.131 ± 0.4833
ea14 1342 1342/1342 1342 ± 0 6.009 5.615/6.551 6.107 ± 0.665
ea15 1342 1342/1342 1342 ± 0.00000185 5.522 5.123/5.893 5.57 ± 0.5817
ea16 1342 1342/1342 1342 ± 0 6.187 5.842/6.681 6.28 ± 0.6625
ea17 1342 1342/1342 1342 ± 0 6.544 6.203/7.315 6.749 ± 0.6451
ea18 1342 1342/1342 1342 ± 0 5.106 4.886/5.613 5.265 ± 0.4848
ea19 1342 1342/1342 1342 ± 0 6.334 5.925/6.868 6.44 ± 0.6506
ea20 1342 1342/1342 1342 ± 0.000001068 5.878 5.576/6.413 5.996 ± 0.6367
ea21 1342 1342/1342 1342 ± 0 5.676 5.5/6.263 5.895 ± 0.527
ea22 1342 1342/1342 1342 ± 0.0000138 5.873 5.509/6.438 5.982 ± 0.6308
ea23 1342 1342/1342 1342 ± 0 6.243 5.862/6.557 6.299 ± 0.6786
ea24 1342 1342/1342 1342 ± 0.00002488 6.024 5.274/6.43 5.733 ± 0.8445
ea25 1342 1342/1342 1342 ± 0 6.284 5.741/6.796 6.327 ± 0.7923
ea26 1342 1342/1342 1342 ± 0 6.35 5.906/6.999 6.489 ± 0.6388
ea27 1342 1342/1342 1342 ± 0 5.818 5.512/6.615 6.013 ± 0.6469
ea28 1342 1342/1342 1342 ± 0 5.995 5.692/6.642 6.184 ± 0.6397
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 ± 0.00002306 5.717 5.47/5.937 5.699 ± 0.2914
3 1342 1342/1342 1342 ± 0.00003693 5.026 4.765/5.209 4.955 ± 0.545
4 1342 1342/1342 1342 ± 0.00002306 5.523 5.239/5.807 5.503 ± 0.3969
5 1342 1342/1342 1342 ± 0.00002306 5.67 5.4/5.858 5.642 ± 0.334
6 1342 1342/1342 1342 ± 0.00002306 5.602 5.38/5.771 5.563 ± 0.2636
7 1342 1342/1342 1342 ± 0.00002306 5.603 5.389/5.768 5.586 ± 0.2734
8 1342 1342/1342 1342 ± 0.00002306 5.485 5.27/5.683 5.499 ± 0.31
9 1342 1342/1342 1342 ± 0.00002306 5.812 5.565/5.982 5.767 ± 0.3037
10 1342 1342/1342 1342 ± 0.00002306 6.239 6.045/6.391 6.163 ± 0.3112
11 1342 1342/1342 1342 ± 0.00002306 6.42 6.275/6.574 6.38 ± 0.3006
12 1342 1342/1342 1342 ± 0.00002306 6.579 6.369/6.676 6.524 ± 0.3582
13 1342 1342/1342 1342 ± 0.00002306 7.004 6.773/7.305 7.018 ± 0.3875
14 1342 1342/1342 1342 ± 0.00002306 7.25 7.055/7.545 7.238 ± 0.3912
15 1342 1342/1342 1342 ± 0.00002306 6.889 6.7/7.215 6.92 ± 0.3623
16 1342 1342/1342 1342 ± 0.00002306 6.265 5.934/6.535 6.274 ± 0.3762
17 1342 1342/1342 1342 ± 0.00002306 6.149 5.974/6.492 6.225 ± 0.3658
overwrite_modelcol
False
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-04-23 12:04:06.804
End
2025-04-23 13:23:18.985
Duration
1:19:12.181
Note, WebLog generation is not included in the time.

CASA logs for stage 8