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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.01 5.723/6.665 6.239 ± 0.6159
ea02 1342 1342/1342 1342 ± 0.00002955 6.132 5.533/6.688 6.07 ± 0.8774
ea03 1342 1342/1342 1342 ± 0.000005408 5.576 5.178/6.476 5.717 ± 0.8321
ea04 1342 1342/1342 1342 ± 0 5.834 5.332/6.555 5.924 ± 0.652
ea06 1342 1342/1342 1342 ± 0 6.158 5.661/6.603 6.194 ± 0.6
ea07 1342 1342/1342 1342 ± 0 6.063 5.513/6.486 6.09 ± 0.6344
ea08 1342 1342/1342 1342 ± 0.00000221 6.101 5.756/6.866 6.335 ± 0.7337
ea09 1342 1342/1342 1342 ± 0 6.012 5.504/6.802 6.116 ± 0.6963
ea10 1342 1342/1342 1342 ± 0 6.242 5.546/6.82 6.133 ± 0.7047
ea11 1342 1342/1342 1342 ± 0 6.277 5.46/6.722 6.179 ± 0.7745
ea12 1342 1342/1342 1342 ± 0 6.108 5.598/6.673 6.197 ± 0.7477
ea13 1342 1342/1342 1342 ± 0 6.006 5.703/6.504 6.139 ± 0.5757
ea14 1342 1342/1342 1342 ± 0 6.417 5.809/6.883 6.427 ± 0.6916
ea15 1342 1342/1342 1342 ± 0 5.639 5.05/5.975 5.574 ± 0.679
ea16 1342 1342/1342 1342 ± 0 6.197 5.709/6.829 6.31 ± 0.759
ea17 1342 1342/1342 1342 ± 0 6.516 6.187/7.356 6.748 ± 0.6808
ea18 1342 1342/1342 1342 ± 0 4.518 4.264/4.912 4.607 ± 0.4369
ea19 1342 1342/1342 1342 ± 0 6.311 5.859/6.941 6.452 ± 0.7236
ea20 1342 1342/1342 1342 ± 0 6.011 5.687/6.729 6.135 ± 0.7852
ea21 1342 1342/1342 1342 ± 0 6.024 5.651/6.63 6.167 ± 0.6315
ea22 1342 1342/1342 1342 ± 0 6.391 5.564/6.793 6.234 ± 0.7153
ea23 1342 1342/1342 1342 ± 0 6.261 5.74/6.688 6.276 ± 0.7825
ea24 1342 1342/1342 1342 ± 0 5.875 5.209/6.418 5.82 ± 0.5947
ea25 1342 1342/1342 1342 ± 0 6.636 5.772/7.143 6.548 ± 0.8147
ea26 1342 1342/1342 1342 ± 0 6.351 5.871/7.207 6.474 ± 0.7268
ea27 1342 1342/1342 1342 ± 0 6.009 5.549/6.893 6.164 ± 0.7775
ea28 1342 1342/1342 1342 ± 0 6.151 5.861/7.013 6.419 ± 0.7755
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 5.682 5.466/5.902 5.623 ± 0.3481
3 1342 1342/1342 1342 ± 0.00002661 5.002 4.593/5.298 4.958 ± 0.5927
4 1342 1342/1342 1342 ± 0.00002467 5.421 5.108/5.594 5.336 ± 0.4603
5 1342 1342/1342 1342 ± 0.00002306 5.684 5.361/5.801 5.58 ± 0.402
6 1342 1342/1342 1342 ± 0.00002306 5.606 5.361/5.778 5.538 ± 0.3407
7 1342 1342/1342 1342 ± 0.00002306 5.681 5.467/5.768 5.591 ± 0.3427
8 1342 1342/1342 1342 ± 0.00002306 5.575 5.347/5.811 5.542 ± 0.3783
9 1342 1342/1342 1342 ± 0.00002306 5.969 5.723/6.099 5.862 ± 0.4084
10 1342 1342/1342 1342 ± 0.00002306 6.414 6.239/6.527 6.3 ± 0.4196
11 1342 1342/1342 1342 ± 0.00002306 6.634 6.427/6.763 6.532 ± 0.4293
12 1342 1342/1342 1342 ± 0.00002306 6.781 6.529/6.841 6.672 ± 0.4593
13 1342 1342/1342 1342 ± 0.00002306 7.237 6.997/7.489 7.166 ± 0.4952
14 1342 1342/1342 1342 ± 0.00002306 7.469 7.294/7.735 7.397 ± 0.5024
15 1342 1342/1342 1342 ± 0.00002306 7.07 6.917/7.334 7.033 ± 0.4691
16 1342 1342/1342 1342 ± 0.00002308 6.384 6.119/6.662 6.345 ± 0.4623
17 1342 1342/1342 1342 ± 0.00002313 6.351 6.021/6.6 6.289 ± 0.4797
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
statwtmode
VLASS-SE
Start time
2025-05-23 19:51:43.726
End
2025-05-23 20:40:57.194
Duration
0:49:13.468
Note, WebLog generation is not included in the time.

CASA logs for stage 8