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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.342 5.273/6.166 5.533 ± 0.7933
ea02 1342 1342/1342 1342 ± 0.00004124 5.93 5.373/6.701 5.914 ± 0.9348
ea04 1342 1342/1342 1342 ± 0.00002126 5.321 5.062/6.145 5.457 ± 0.7763
ea05 1342 1342/1342 1342 ± 0.00002992 5.481 5.065/6.324 5.669 ± 0.7774
ea06 1342 1342/1342 1342 ± 0.00003171 4.957 4.731/5.326 4.891 ± 0.5406
ea07 1342 1342/1342 1342 ± 0.00003905 5.934 5.409/6.388 5.89 ± 0.8649
ea08 1342 1342/1342 1342 ± 0.00003967 6.091 5.613/6.853 6.119 ± 0.9708
ea09 1342 1342/1342 1342 ± 0.00002699 5.547 5.21/6.585 5.71 ± 0.8434
ea10 1342 1342/1342 1342 ± 0.00004108 5.975 5.338/6.785 5.866 ± 0.9753
ea11 1342 1342/1342 1342 ± 0.0000422 5.837 5.185/6.544 5.725 ± 0.9238
ea12 1342 1342/1342 1342 ± 0.00003613 5.761 5.413/6.623 5.874 ± 0.8917
ea13 1342 1342/1342 1342 ± 0.00001637 5.892 5.755/6.413 6.012 ± 0.7477
ea14 1342 1342/1342 1342 ± 0.00004204 5.629 5.216/6.456 5.729 ± 0.8425
ea15 1342 1342/1342 1342 ± 0.00001305 5.373 5.14/6.311 5.605 ± 0.9103
ea16 1342 1342/1342 1342 ± 0.00004044 5.969 5.549/6.873 6.079 ± 0.9784
ea17 1342 1342/1342 1342 ± 0.00004139 5.906 5.473/7.054 5.945 ± 0.9619
ea18 1342 1342/1342 1342 ± 0.00004307 5.024 4.701/5.746 5.079 ± 0.6846
ea19 1342 1342/1342 1342 ± 0.00001794 5.808 5.563/6.844 6.053 ± 0.8496
ea20 1342 1342/1342 1342 ± 0.00004023 5.914 5.787/7.081 6.143 ± 0.9637
ea21 1342 1342/1342 1342 ± 0.00003952 5.603 5.352/6.376 5.709 ± 0.7981
ea22 1342 1342/1342 1342 ± 0.00004016 5.397 5.073/6.424 5.628 ± 0.8523
ea23 1342 1342/1342 1342 ± 0.00004143 5.859 5.493/6.631 5.879 ± 0.969
ea25 1342 1342/1342 1342 ± 0.00004142 5.566 5.23/6.346 5.601 ± 0.8206
ea26 1342 1342/1342 1342 ± 0.00003109 5.876 5.683/6.979 6.093 ± 0.9176
ea27 1342 1342/1342 1342 ± 0.00003823 5.58 5.172/6.597 5.718 ± 0.8362
ea28 1342 1342/1342 1342 ± 0.00004239 5.705 5.395/6.613 5.813 ± 0.9417
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 ± 0.0000235 5.399 5.256/5.713 5.448 ± 0.2739
5 1342 1342/1342 1342 ± 0.0000237 5.393 5.224/5.617 5.406 ± 0.3438
6 1342 1342/1342 1342 ± 0.0000235 5.381 5.185/5.562 5.346 ± 0.2864
7 1342 1342/1342 1342 ± 0.0000235 5.392 5.262/5.56 5.392 ± 0.2695
8 1342 1342/1342 1342 ± 0.0000235 5.391 5.165/5.536 5.342 ± 0.2902
9 1342 1342/1342 1342 ± 0.0000235 5.633 5.442/5.92 5.633 ± 0.3298
10 1342 1342/1342 1342 ± 0.0000235 6.074 5.883/6.265 6.053 ± 0.32
11 1342 1342/1342 1342 ± 0.0000235 6.372 6.251/6.505 6.322 ± 0.3417
12 1342 1342/1342 1342 ± 0.0000235 6.579 6.377/6.755 6.518 ± 0.3736
13 1342 1342/1342 1342 ± 0.0000235 6.952 6.696/7.082 6.905 ± 0.4028
14 1342 1342/1342 1342 ± 0.0000235 7.025 6.852/7.259 6.985 ± 0.481
15 1342 1342/1342 1342 ± 0.00002429 6.75 6.535/6.974 6.679 ± 0.4554
16 1342 1342/1342 1342 ± 0.00005376 4.157 3.999/4.338 4.175 ± 0.2392
17 1342 1342/1342 1342 ± 0.00005232 4.166 3.997/4.433 4.222 ± 0.3172
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
datacolumn
residual_data
Start time
2024-11-01 21:23:12.568
End
2024-11-01 22:19:16.695
Duration
0:56:04.127
Note, WebLog generation is not included in the time.

CASA logs for stage 8