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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.347 5.163/6.43 5.744 ± 0.7208
ea02 1342 1342/1342 1342 ± 0.0000439 5.636 5.25/6.449 5.803 ± 0.6621
ea03 1342 1342/1342 1342 ± 0.000007468 5.097 4.927/6.376 5.598 ± 0.7995
ea04 1342 1342/1342 1342 ± 0.00004341 5.294 5.072/6.153 5.532 ± 0.6709
ea05 1342 1342/1342 1342 ± 0.00004631 5.471 5.077/6.402 5.704 ± 0.7582
ea06 1342 1342/1342 1342 ± 0.000006792 5.091 4.622/5.799 5.295 ± 0.7531
ea07 1342 1342/1342 1342 ± 0.00004258 5.458 5.02/6.31 5.654 ± 0.6975
ea08 1342 1342/1342 1342 ± 0.00004359 5.819 5.37/6.586 5.896 ± 0.7413
ea09 1342 1342/1342 1342 ± 0.00004211 4.839 4.641/5.635 5.137 ± 0.6033
ea10 1342 1342/1342 1342 ± 0.0000457 4.707 4.449/5.321 4.81 ± 0.4207
ea11 1342 1342/1342 1342 ± 0.0000439 5.748 4.849/6.537 5.712 ± 0.8981
ea12 1342 1342/1342 1342 ± 0.00004163 5.29 4.812/6.139 5.468 ± 0.7087
ea14 1342 1342/1342 1342 ± 0.00004337 5.855 5.119/6.474 5.764 ± 0.7463
ea15 1342 1342/1342 1342 ± 0.0000439 5.452 5.026/6.257 5.67 ± 0.816
ea16 1342 1342/1342 1342 ± 0.00001202 5.496 5.201/6.281 5.718 ± 0.719
ea17 1342 1342/1342 1342 ± 0.00004362 5.874 5.323/6.657 6.039 ± 0.8125
ea18 1342 1342/1342 1342 ± 0.00004293 5.77 5.319/6.508 5.858 ± 0.7211
ea19 1342 1342/1342 1342 ± 0.00002907 5.43 5.135/6.357 5.689 ± 0.7458
ea20 1342 1342/1342 1342 ± 0.00001898 5.423 5.065/6.225 5.734 ± 0.7408
ea21 1342 1342/1342 1342 ± 0.000005795 5.053 4.789/5.803 5.292 ± 0.6214
ea22 1342 1342/1342 1342 ± 0.0000432 5.531 5.12/6.354 5.701 ± 0.6697
ea23 1342 1342/1342 1342 ± 0.00004323 5.863 5.105/6.465 5.833 ± 0.7611
ea24 1342 1342/1342 1342 ± 0.000002245 5.136 4.727/5.924 5.336 ± 0.6105
ea25 1342 1342/1342 1342 ± 0.000001283 5.756 5.289/6.714 6.004 ± 0.9119
ea27 1342 1342/1342 1342 ± 0.00001123 5.262 4.832/6.144 5.46 ± 0.7362
ea28 1342 1342/1342 1342 ± 0.0000147 5.377 5.123/6.509 5.745 ± 0.7395
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 ± 0.00002365 5.034 4.803/5.212 4.986 ± 0.2808
5 1342 1342/1342 1342 ± 0.00002951 5.015 4.734/5.231 4.996 ± 0.3366
6 1342 1342/1342 1342 ± 0.00002348 4.866 4.728/5.182 4.945 ± 0.2927
7 1342 1342/1342 1342 ± 0.00002348 5.121 4.969/5.29 5.103 ± 0.2654
8 1342 1342/1342 1342 ± 0.00002348 5.126 4.899/5.348 5.14 ± 0.3265
9 1342 1342/1342 1342 ± 0.0000235 5.442 5.259/5.752 5.412 ± 0.34
10 1342 1342/1342 1342 ± 0.00002348 5.948 5.695/6.232 5.937 ± 0.3341
11 1342 1342/1342 1342 ± 0.00002348 6.222 6.055/6.456 6.207 ± 0.3291
12 1342 1342/1342 1342 ± 0.00002348 6.435 6.156/6.552 6.361 ± 0.3686
13 1342 1342/1342 1342 ± 0.00002376 6.908 6.642/7.066 6.838 ± 0.3795
14 1342 1342/1342 1342 ± 0.00002392 6.615 6.425/7.021 6.696 ± 0.3864
15 1342 1342/1342 1342 ± 0.00002871 6.178 5.945/6.388 6.137 ± 0.3865
16 1342 1342/1342 1342 ± 0.00005831 4.807 4.635/4.984 4.816 ± 0.2814
17 1342 1342/1342 1342 ± 0.00005896 4.864 4.702/5.029 4.869 ± 0.2807
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-26 20:24:41.160
End
2025-07-26 21:21:45.438
Duration
0:57:04.278
Note, WebLog generation is not included in the time.

CASA logs for stage 8