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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.61 5.356/6.132 5.77 ± 0.5488
ea02 1342 1342/1342 1342 ± 0.000005941 5.882 5.46/6.543 6.065 ± 0.6669
ea04 1342 1342/1342 1342 ± 0 5.46 5.135/6.099 5.672 ± 0.5747
ea05 1342 1342/1342 1342 ± 0 5.738 5.288/6.214 5.791 ± 0.6026
ea06 1342 1342/1342 1342 ± 0 4.795 4.589/5.29 4.923 ± 0.4021
ea07 1342 1342/1342 1342 ± 0 6.007 5.53/6.349 6.072 ± 0.6059
ea08 1342 1342/1342 1342 ± 0.000007698 5.923 5.595/6.7 6.166 ± 0.6945
ea09 1342 1342/1342 1342 ± 0 5.619 5.231/6.324 5.771 ± 0.6732
ea10 1342 1342/1342 1342 ± 0 5.979 5.438/6.697 6.043 ± 0.7028
ea11 1342 1342/1342 1342 ± 0 5.9 5.24/6.426 5.902 ± 0.6664
ea12 1342 1342/1342 1342 ± 0 5.798 5.416/6.431 5.998 ± 0.6498
ea13 1342 1342/1342 1342 ± 0 5.984 5.773/6.397 6.158 ± 0.5377
ea14 1342 1342/1342 1342 ± 0 5.84 5.275/6.391 5.898 ± 0.6757
ea15 1342 1342/1342 1342 ± 0 5.638 5.153/6.261 5.777 ± 0.7109
ea16 1342 1342/1342 1342 ± 0 6.274 5.712/6.827 6.358 ± 0.7462
ea17 1342 1342/1342 1342 ± 0.00001945 6.103 5.657/6.905 6.245 ± 0.6617
ea18 1342 1342/1342 1342 ± 0 5.067 4.791/5.614 5.22 ± 0.5284
ea19 1342 1342/1342 1342 ± 0 5.799 5.564/6.757 6.188 ± 0.6938
ea20 1342 1342/1342 1342 ± 0 6.155 5.732/6.775 6.278 ± 0.6638
ea21 1342 1342/1342 1342 ± 0 5.758 5.437/6.341 5.907 ± 0.5928
ea22 1342 1342/1342 1342 ± 0 5.451 5.24/6.417 5.777 ± 0.6687
ea23 1342 1342/1342 1342 ± 0 6.201 5.582/6.722 6.222 ± 0.7076
ea25 1342 1342/1342 1342 ± 0 5.666 5.333/6.194 5.806 ± 0.5964
ea26 1342 1342/1342 1342 ± 0 5.975 5.589/6.687 6.168 ± 0.712
ea27 1342 1342/1342 1342 ± 0.00001314 5.678 5.403/6.522 5.903 ± 0.62
ea28 1342 1342/1342 1342 ± 0.00002674 5.706 5.464/6.505 5.956 ± 0.6911
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 ± 0.00002348 5.397 5.212/5.577 5.379 ± 0.2664
3 1342 1342/1342 1342 ± 0.00002555 5.226 5.002/5.447 5.204 ± 0.2985
4 1342 1342/1342 1342 ± 0.00002393 5.297 5.016/5.457 5.211 ± 0.2955
5 1342 1342/1342 1342 ± 0.00002348 5.459 5.188/5.633 5.42 ± 0.3282
6 1342 1342/1342 1342 ± 0.00002348 5.401 5.162/5.554 5.353 ± 0.3012
7 1342 1342/1342 1342 ± 0.00002348 5.441 5.258/5.6 5.41 ± 0.288
8 1342 1342/1342 1342 ± 0.00002348 5.438 5.233/5.545 5.361 ± 0.3094
9 1342 1342/1342 1342 ± 0.00002348 5.696 5.468/5.949 5.655 ± 0.362
10 1342 1342/1342 1342 ± 0.00002372 6.121 5.932/6.315 6.079 ± 0.3322
11 1342 1342/1342 1342 ± 0.00002372 6.357 6.167/6.494 6.296 ± 0.3432
12 1342 1342/1342 1342 ± 0.00002348 6.478 6.39/6.726 6.473 ± 0.3727
13 1342 1342/1342 1342 ± 0.00002348 6.982 6.852/7.148 6.945 ± 0.4014
14 1342 1342/1342 1342 ± 0.00002348 7.249 6.994/7.438 7.141 ± 0.4421
15 1342 1342/1342 1342 ± 0.00002348 6.815 6.581/6.961 6.705 ± 0.4358
16 1342 1342/1342 1342 ± 0.00003198 6.02 5.752/6.227 6 ± 0.3894
17 1342 1342/1342 1342 ± 0.00002854 6.058 5.771/6.298 6.015 ± 0.3715
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2025-01-07 05:46:11.773
End
2025-01-07 06:52:16.242
Duration
1:06:04.469
Note, WebLog generation is not included in the time.

CASA logs for stage 8