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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.887 4.815/5.493 5.112 ± 0.3918
ea02 1342 1342/1342 1342 ± 0 5.983 5.64/6.421 6.173 ± 0.5813
ea03 1342 1342/1342 1342 ± 0.00000278 5.93 5.453/6.612 6.056 ± 0.618
ea04 1342 1342/1342 1342 ± 0.000007077 5.507 5.227/6.045 5.587 ± 0.4877
ea05 1342 1342/1342 1342 ± 0.00001321 5.616 5.319/6.444 5.847 ± 0.5844
ea06 1342 1342/1342 1342 ± 0.000006986 5.547 5.117/6.016 5.681 ± 0.5688
ea07 1342 1342/1342 1342 ± 0 5.645 5.279/6.208 5.842 ± 0.6524
ea08 1342 1342/1342 1342 ± 0 6.106 5.732/6.752 6.293 ± 0.5998
ea09 1342 1342/1342 1342 ± 0 5.6 5.168/6.349 5.71 ± 0.5731
ea10 1342 1342/1342 1342 ± 0 5.332 5.01/5.988 5.496 ± 0.5332
ea11 1342 1342/1342 1342 ± 0.00003935 5.48 4.909/6.106 5.523 ± 0.6017
ea12 1342 1342/1342 1342 ± 0.00003123 5.416 5.307/6.183 5.654 ± 0.5298
ea13 1342 1342/1342 1342 ± 0 5.859 5.656/6.38 6.043 ± 0.5995
ea14 1342 1342/1342 1342 ± 0.00000227 5.959 5.568/6.518 6.049 ± 0.5355
ea15 1342 1342/1342 1342 ± 0.00002953 5.882 5.552/6.67 6.136 ± 0.666
ea17 1342 1342/1342 1342 ± 0 5.883 5.66/6.92 6.165 ± 0.6616
ea18 1342 1342/1342 1342 ± 0 6.208 5.935/6.961 6.418 ± 0.6028
ea19 1342 1342/1342 1342 ± 0.0000335 5.613 5.384/6.451 5.882 ± 0.5512
ea20 1342 1342/1342 1342 ± 0 5.788 5.516/6.575 6.014 ± 0.5538
ea21 1342 1342/1342 1342 ± 0.000004677 5.271 5.117/5.82 5.491 ± 0.4672
ea22 1342 1342/1342 1342 ± 0 6.018 5.779/6.825 6.249 ± 0.5921
ea23 1342 1342/1342 1342 ± 0 5.662 5.389/6.248 5.845 ± 0.6239
ea24 1342 1342/1342 1342 ± 0 5.937 5.366/6.527 5.951 ± 0.5636
ea25 1342 1342/1342 1342 ± 0.000005445 6.327 5.668/6.786 6.36 ± 0.7253
ea28 1342 1342/1342 1342 ± 0 6.204 5.82/7.005 6.366 ± 0.6343
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 ± 0.00002403 5.528 5.301/5.681 5.486 ± 0.2958
5 1342 1342/1342 1342 ± 0.00002393 5.435 5.206/5.737 5.458 ± 0.3269
6 1342 1342/1342 1342 ± 0.00002393 5.187 4.945/5.426 5.211 ± 0.3255
7 1342 1342/1342 1342 ± 0.00002393 5.427 5.252/5.656 5.425 ± 0.276
8 1342 1342/1342 1342 ± 0.00002393 5.334 5.166/5.598 5.362 ± 0.3017
9 1342 1342/1342 1342 ± 0.00002393 5.634 5.508/5.893 5.654 ± 0.3337
10 1342 1342/1342 1342 ± 0.00002393 6.12 5.942/6.277 6.061 ± 0.3094
11 1342 1342/1342 1342 ± 0.00002393 6.278 6.05/6.48 6.269 ± 0.351
12 1342 1342/1342 1342 ± 0.00002393 6.451 6.179/6.624 6.417 ± 0.3728
13 1342 1342/1342 1342 ± 0.00002393 6.928 6.501/7.145 6.851 ± 0.4059
14 1342 1342/1342 1342 ± 0.00002393 6.883 6.476/7.235 6.838 ± 0.4843
15 1342 1342/1342 1342 ± 0.00002393 6.618 6.407/6.984 6.647 ± 0.3922
16 1342 1342/1342 1342 ± 0.00004046 5.653 5.34/5.954 5.657 ± 0.4307
17 1342 1342/1342 1342 ± 0.00004399 5.501 5.291/5.838 5.509 ± 0.3953
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-07-19 05:55:42.500
End
2025-07-19 07:02:52.996
Duration
1:07:10.496
Note, WebLog generation is not included in the time.

CASA logs for stage 8