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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.361 5.318/6.411 5.697 ± 0.8424
ea02 1342 1342/1342 1342 ± 0.000001207 5.498 5.072/6.195 5.615 ± 0.8689
ea03 1342 1342/1342 1342 ± 0 5.62 5.026/6.469 5.666 ± 0.872
ea04 1342 1342/1342 1342 ± 0.00004121 4.987 4.795/5.941 5.292 ± 0.7127
ea05 1342 1342/1342 1342 ± 0.00004157 5.135 4.985/6.373 5.471 ± 0.8661
ea06 1342 1342/1342 1342 ± 0 5.141 4.673/5.709 5.243 ± 0.7323
ea07 1342 1342/1342 1342 ± 0.000004349 4.997 4.851/6.071 5.421 ± 0.8696
ea08 1342 1342/1342 1342 ± 0 5.473 5.156/6.516 5.786 ± 0.8772
ea09 1342 1342/1342 1342 ± 0.00004135 4.855 4.691/5.996 5.157 ± 0.7684
ea10 1342 1342/1342 1342 ± 0.00003859 4.814 4.56/5.859 5.079 ± 0.778
ea11 1342 1342/1342 1342 ± 0.00004418 5.108 4.539/6.195 5.35 ± 0.9272
ea12 1342 1342/1342 1342 ± 0.00003162 5.043 4.761/5.916 5.294 ± 0.6588
ea14 1342 1342/1342 1342 ± 0.0000415 5.358 5.139/6.262 5.626 ± 0.7174
ea15 1342 1342/1342 1342 ± 0.00004203 5.441 5.107/6.297 5.609 ± 0.8909
ea16 1342 1342/1342 1342 ± 0 5.506 5.245/6.384 5.691 ± 0.8843
ea17 1342 1342/1342 1342 ± 0.00001519 5.388 5.028/6.693 5.712 ± 0.8046
ea18 1342 1342/1342 1342 ± 0 5.633 5.206/6.629 5.844 ± 0.7942
ea19 1342 1342/1342 1342 ± 0.000006263 5.231 4.996/6.261 5.511 ± 0.7482
ea21 1342 1342/1342 1342 ± 0 4.924 4.78/5.697 5.155 ± 0.6868
ea22 1342 1342/1342 1342 ± 0 5.407 5.129/6.425 5.629 ± 0.7856
ea23 1342 1342/1342 1342 ± 0.00004188 5.353 5.03/6.184 5.623 ± 0.7935
ea24 1342 1342/1342 1342 ± 0.000005906 5.33 4.927/6.321 5.496 ± 0.7711
ea25 1342 1342/1342 1342 ± 0 5.828 5.172/6.647 5.923 ± 0.9574
ea27 1342 1342/1342 1342 ± 0 5.204 4.915/6.314 5.515 ± 0.7755
ea28 1342 1342/1342 1342 ± 0.00002112 5.505 5.363/6.781 5.864 ± 0.8533
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 4.922 4.754/5.03 4.864 ± 0.2889
4 1342 1342/1342 1342 ± 0.00002888 3.852 3.657/4.069 3.879 ± 0.2927
5 1342 1342/1342 1342 ± 0.00002392 4.989 4.795/5.299 5.028 ± 0.2842
6 1342 1342/1342 1342 ± 0.00002392 5.023 4.799/5.232 5.007 ± 0.2524
7 1342 1342/1342 1342 ± 0.00002392 5.071 4.913/5.207 5.06 ± 0.2171
8 1342 1342/1342 1342 ± 0.00002392 5.024 4.88/5.141 5.009 ± 0.2504
9 1342 1342/1342 1342 ± 0.00002392 5.33 5.195/5.551 5.321 ± 0.2666
10 1342 1342/1342 1342 ± 0.00002392 5.894 5.747/6.041 5.878 ± 0.2469
11 1342 1342/1342 1342 ± 0.00002392 6.19 5.987/6.229 6.111 ± 0.2512
12 1342 1342/1342 1342 ± 0.00002392 6.271 6.071/6.433 6.269 ± 0.2946
13 1342 1342/1342 1342 ± 0.00002392 6.712 6.575/6.937 6.707 ± 0.3008
14 1342 1342/1342 1342 ± 0.00002392 6.807 6.54/7.036 6.797 ± 0.3314
15 1342 1342/1342 1342 ± 0.00002392 6.627 6.323/6.804 6.557 ± 0.3391
16 1342 1342/1342 1342 ± 0.00005924 5.289 5.096/5.528 5.34 ± 0.3306
17 1342 1342/1342 1342 ± 0.00005978 5.092 4.903/5.324 5.133 ± 0.3
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 17:35:21.453
End
2025-07-22 18:26:30.328
Duration
0:51:08.875
Note, WebLog generation is not included in the time.

CASA logs for stage 8