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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.258 5.611/6.681 6.197 ± 0.6419
ea02 1342 1342/1342 1342 ± 0 5.869 5.149/6.084 5.773 ± 0.6158
ea03 1342 1342/1342 1342 ± 0 6.299 5.493/6.95 6.287 ± 0.7986
ea04 1342 1342/1342 1342 ± 0 5.678 5.152/6.116 5.681 ± 0.6137
ea05 1342 1342/1342 1342 ± 0 6.154 5.388/6.907 6.136 ± 0.7161
ea06 1342 1342/1342 1342 ± 0 6.334 5.286/6.553 6.057 ± 0.7272
ea07 1342 1342/1342 1342 ± 0 5.931 5.107/6.272 5.798 ± 0.7271
ea08 1342 1342/1342 1342 ± 0 5.877 4.867/6.1 5.637 ± 0.704
ea09 1342 1342/1342 1342 ± 0 5.605 4.966/6.306 5.631 ± 0.6728
ea10 1342 1342/1342 1342 ± 0 5.791 5.216/6.286 5.758 ± 0.6163
ea11 1342 1342/1342 1342 ± 0 5.765 5.413/6.64 5.964 ± 0.7344
ea12 1342 1342/1342 1342 ± 0 5.852 5.337/6.464 5.917 ± 0.6452
ea13 1342 1342/1342 1342 ± 0 5.499 4.724/5.65 5.335 ± 0.5581
ea14 1342 1342/1342 1342 ± 0 6.257 5.663/6.724 6.271 ± 0.6217
ea15 1342 1342/1342 1342 ± 0 6.174 5.552/6.675 6.156 ± 0.7035
ea16 1342 1342/1342 1342 ± 0 6.412 5.847/6.957 6.47 ± 0.7419
ea17 1342 1342/1342 1342 ± 0 6.143 5.636/7.02 6.29 ± 0.7234
ea18 1342 1342/1342 1342 ± 0 6.072 5.576/6.416 5.918 ± 0.5914
ea19 1342 1342/1342 1342 ± 0 6.223 5.558/6.77 6.2 ± 0.6924
ea20 1342 1342/1342 1342 ± 0 6.16 5.548/6.763 6.123 ± 0.6917
ea21 1342 1342/1342 1342 ± 0 5.653 5.135/6.078 5.638 ± 0.5837
ea22 1342 1342/1342 1342 ± 0 5.663 4.911/5.997 5.525 ± 0.6318
ea23 1342 1342/1342 1342 ± 0 6.285 5.521/6.434 6.138 ± 0.7042
ea24 1342 1342/1342 1342 ± 0 5.734 5.511/6.026 5.619 ± 0.4627
ea25 1342 1342/1342 1342 ± 0 6.651 5.773/7.19 6.603 ± 0.8649
ea27 1342 1342/1342 1342 ± 0 6.165 5.387/6.616 6.05 ± 0.6835
ea28 1342 1342/1342 1342 ± 0 5.956 5.268/6.505 5.843 ± 0.6761
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 ± 0.00002392 5.452 5.217/5.588 5.375 ± 0.325
4 1342 1342/1342 1342 ± 0.00002392 5.169 4.965/5.359 5.207 ± 0.3489
5 1342 1342/1342 1342 ± 0.00002457 5.22 5.038/5.405 5.238 ± 0.2702
6 1342 1342/1342 1342 ± 0.00002392 5.145 4.879/5.383 5.166 ± 0.2838
7 1342 1342/1342 1342 ± 0.00002363 5.408 4.974/5.551 5.331 ± 0.3043
8 1342 1342/1342 1342 ± 0.00002336 5.269 5.075/5.576 5.304 ± 0.3492
9 1342 1342/1342 1342 ± 0.00002336 5.705 5.382/5.886 5.645 ± 0.3556
10 1342 1342/1342 1342 ± 0.00002336 6.149 5.863/6.333 6.091 ± 0.3102
11 1342 1342/1342 1342 ± 0.00002336 6.296 6.025/6.639 6.316 ± 0.3248
12 1342 1342/1342 1342 ± 0.00002305 6.468 6.114/6.77 6.447 ± 0.3968
13 1342 1342/1342 1342 ± 0.00002305 6.934 6.608/7.29 6.921 ± 0.4436
14 1342 1342/1342 1342 ± 0.00002305 7.127 6.762/7.39 7.079 ± 0.4477
15 1342 1342/1342 1342 ± 0.00002305 6.796 6.471/7.075 6.791 ± 0.4269
16 1342 1342/1342 1342 ± 0.00002305 6.172 5.95/6.507 6.216 ± 0.3889
17 1342 1342/1342 1342 ± 0.00002305 6.155 5.858/6.548 6.149 ± 0.3923
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
Start time
2025-07-29 06:57:11.599
End
2025-07-29 07:58:27.436
Duration
1:01:15.837
Note, WebLog generation is not included in the time.

CASA logs for stage 8