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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.209 5.037/6.025 5.503 ± 0.6943
ea02 1342 1342/1342 1342 ± 0.00003692 5.569 5.196/6.61 5.882 ± 0.9081
ea04 1342 1342/1342 1342 ± 0.0000168 5.271 4.95/5.932 5.439 ± 0.7057
ea05 1342 1342/1342 1342 ± 0.00003332 5.409 5.055/6.565 5.757 ± 0.8055
ea06 1342 1342/1342 1342 ± 0.00002713 4.536 4.329/5.217 4.716 ± 0.5229
ea07 1342 1342/1342 1342 ± 0.00004309 5.538 5.288/6.282 5.799 ± 0.8135
ea08 1342 1342/1342 1342 ± 0.00004296 5.598 5.234/6.742 5.971 ± 0.9471
ea09 1342 1342/1342 1342 ± 0 5.501 5.109/6.519 5.754 ± 0.776
ea10 1342 1342/1342 1342 ± 0.00004391 5.528 5.129/6.57 5.785 ± 0.8597
ea11 1342 1342/1342 1342 ± 0.00004343 5.292 4.872/6.409 5.627 ± 0.8939
ea12 1342 1342/1342 1342 ± 0.00003303 5.474 5.108/6.161 5.675 ± 0.8106
ea13 1342 1342/1342 1342 ± 0 5.932 5.313/6.337 5.964 ± 0.7853
ea14 1342 1342/1342 1342 ± 0.00003713 5.36 4.998/6.386 5.658 ± 0.7853
ea15 1342 1342/1342 1342 ± 0.00001035 5.038 4.908/6.155 5.473 ± 0.8267
ea16 1342 1342/1342 1342 ± 0.00001616 5.826 5.355/6.786 6.028 ± 1.006
ea17 1342 1342/1342 1342 ± 0.00004358 5.615 5.187/6.424 5.847 ± 0.8783
ea18 1342 1342/1342 1342 ± 0.00004292 4.589 4.471/5.38 4.917 ± 0.6448
ea19 1342 1342/1342 1342 ± 0.00002299 5.646 5.491/6.835 6.094 ± 0.8714
ea20 1342 1342/1342 1342 ± 0.00004038 5.671 5.408/6.698 5.955 ± 0.8744
ea21 1342 1342/1342 1342 ± 0.00002617 5.483 5.034/6.386 5.724 ± 0.8229
ea22 1342 1342/1342 1342 ± 0.000004326 5.209 4.885/6.322 5.573 ± 0.7845
ea23 1342 1342/1342 1342 ± 0.00004145 5.46 5.135/6.574 5.837 ± 0.9038
ea25 1342 1342/1342 1342 ± 0.0000445 5.308 4.99/6.091 5.552 ± 0.8071
ea26 1342 1342/1342 1342 ± 0 5.643 5.527/6.977 6.129 ± 0.8694
ea27 1342 1342/1342 1342 ± 0.00004261 5.316 5.041/6.397 5.61 ± 0.7805
ea28 1342 1342/1342 1342 ± 0.00004344 5.364 5.256/6.422 5.78 ± 0.8518
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 ± 0.00002354 5.166 4.977/5.41 5.153 ± 0.3032
3 1342 1342/1342 1342 ± 0.00003298 4.974 4.797/5.146 4.904 ± 0.4245
5 1342 1342/1342 1342 ± 0.00002872 5.329 5.065/5.666 5.35 ± 0.3364
6 1342 1342/1342 1342 ± 0.00002354 5.209 4.99/5.397 5.155 ± 0.3037
7 1342 1342/1342 1342 ± 0.00002354 5.229 5.087/5.398 5.226 ± 0.2787
8 1342 1342/1342 1342 ± 0.00002354 5.199 5.037/5.323 5.165 ± 0.3092
9 1342 1342/1342 1342 ± 0.00002378 5.345 5.043/5.565 5.295 ± 0.3522
10 1342 1342/1342 1342 ± 0.00002348 6.045 5.902/6.201 5.986 ± 0.3274
11 1342 1342/1342 1342 ± 0.00002348 6.314 6.16/6.423 6.248 ± 0.3422
12 1342 1342/1342 1342 ± 0.00002348 6.513 6.292/6.635 6.443 ± 0.379
13 1342 1342/1342 1342 ± 0.00002348 6.973 6.763/7.163 6.898 ± 0.4103
14 1342 1342/1342 1342 ± 0.00002348 7.128 6.95/7.377 7.105 ± 0.4562
15 1342 1342/1342 1342 ± 0.00002547 6.392 6.01/6.828 6.379 ± 0.6414
16 1342 1342/1342 1342 ± 0.00005987 4.506 4.355/4.636 4.489 ± 0.2019
17 1342 1342/1342 1342 ± 0.00006076 4.737 4.582/4.913 4.751 ± 0.2759
datacolumn
residual_data
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-08 08:52:32.980
End
2025-01-08 09:23:51.101
Duration
0:31:18.120
Note, WebLog generation is not included in the time.

CASA logs for stage 8