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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.455 5.266/6.206 5.577 ± 0.9194
ea02 1342 1342/1342 1342 ± 0.0000239 5.63 5.275/6.403 5.641 ± 0.9179
ea03 1342 1342/1342 1342 ± 0.0000034 5.247 5.116/6.642 5.744 ± 0.8463
ea04 1342 1342/1342 1342 ± 0.00004489 5.132 4.879/5.99 5.194 ± 0.7663
ea05 1342 1342/1342 1342 ± 0.00005078 5.295 4.948/6.412 5.394 ± 1.007
ea06 1342 1342/1342 1342 ± 0.00002001 4.851 4.717/5.902 5.232 ± 0.8248
ea07 1342 1342/1342 1342 ± 0.00003078 5.102 4.906/6.207 5.412 ± 0.9384
ea08 1342 1342/1342 1342 ± 0 5.853 5.426/6.725 5.942 ± 0.8853
ea09 1342 1342/1342 1342 ± 0.00004666 4.937 4.631/5.93 5.109 ± 0.7697
ea10 1342 1342/1342 1342 ± 0.00004977 4.979 4.574/6.051 5.096 ± 0.903
ea11 1342 1342/1342 1342 ± 0.00004848 5.248 4.556/6.294 5.297 ± 0.9111
ea12 1342 1342/1342 1342 ± 0.00004612 5.122 4.877/5.928 5.196 ± 0.8354
ea14 1342 1342/1342 1342 ± 0.00005008 5.465 5.226/6.509 5.547 ± 0.9362
ea15 1342 1342/1342 1342 ± 0.00005128 5.599 4.943/6.532 5.574 ± 1.029
ea16 1342 1342/1342 1342 ± 0.0000192 5.648 5.039/6.617 5.723 ± 0.9831
ea17 1342 1342/1342 1342 ± 0.00003468 5.583 5.238/6.499 5.716 ± 0.9917
ea18 1342 1342/1342 1342 ± 0.000003509 5.715 5.4/6.787 5.845 ± 1.015
ea19 1342 1342/1342 1342 ± 0.00003956 5.186 5.05/6.263 5.505 ± 0.8499
ea20 1342 1342/1342 1342 ± 0.00004443 5.816 5.528/6.87 5.912 ± 0.9591
ea21 1342 1342/1342 1342 ± 0.000005327 5.029 4.908/5.926 5.34 ± 0.6581
ea22 1342 1342/1342 1342 ± 0.00001991 5.613 5.132/6.437 5.648 ± 0.8868
ea23 1342 1342/1342 1342 ± 0.00004743 5.525 5.109/6.327 5.596 ± 0.879
ea24 1342 1342/1342 1342 ± 0.00001615 5.391 5.028/6.328 5.601 ± 0.7582
ea25 1342 1342/1342 1342 ± 0.00001328 5.703 5.389/6.864 6.133 ± 0.9097
ea27 1342 1342/1342 1342 ± 0.0000172 5.177 5.01/6.292 5.495 ± 0.7873
ea28 1342 1342/1342 1342 ± 0.00002278 5.596 5.398/6.728 5.821 ± 0.9185
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 ± 0.00002349 5.152 4.983/5.288 5.156 ± 0.2587
4 1342 1342/1342 1342 ± 0.00006059 3.577 3.438/3.705 3.576 ± 0.1988
5 1342 1342/1342 1342 ± 0.00002412 5.086 4.905/5.385 5.118 ± 0.32
6 1342 1342/1342 1342 ± 0.00002349 5.175 4.904/5.444 5.18 ± 0.2857
7 1342 1342/1342 1342 ± 0.00002349 5.227 4.983/5.42 5.205 ± 0.2659
8 1342 1342/1342 1342 ± 0.00002349 5.211 5.054/5.487 5.23 ± 0.2973
9 1342 1342/1342 1342 ± 0.00002349 5.547 5.371/5.774 5.548 ± 0.3152
10 1342 1342/1342 1342 ± 0.00002349 6.143 5.87/6.262 6.085 ± 0.2936
11 1342 1342/1342 1342 ± 0.00002349 6.374 6.202/6.512 6.356 ± 0.2866
12 1342 1342/1342 1342 ± 0.00002349 6.546 6.24/6.676 6.502 ± 0.3269
13 1342 1342/1342 1342 ± 0.00002353 6.816 6.417/7.151 6.82 ± 0.3635
14 1342 1342/1342 1342 ± 0.00004824 6.075 5.735/6.417 6.148 ± 0.5879
15 1342 1342/1342 1342 ± 0.00002349 6.74 6.351/7.01 6.691 ± 0.3715
16 1342 1342/1342 1342 ± 0.00006084 4.252 3.987/4.697 4.356 ± 0.448
17 1342 1342/1342 1342 ± 0.00006098 4.228 4.026/4.518 4.309 ± 0.3734
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-22 14:20:43.186
End
2025-07-22 15:28:58.269
Duration
1:08:15.082
Note, WebLog generation is not included in the time.

CASA logs for stage 8