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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.24 5.892/6.871 6.403 ± 0.6231
ea02 1342 1342/1342 1342 ± 0 6.353 5.974/7.11 6.504 ± 0.7115
ea03 1342 1342/1342 1342 ± 0 5.567 5.284/6.79 5.912 ± 0.7676
ea04 1342 1342/1342 1342 ± 0 6.054 5.531/6.827 6.178 ± 0.6989
ea06 1342 1342/1342 1342 ± 0 6.578 5.706/6.799 6.343 ± 0.684
ea07 1342 1342/1342 1342 ± 0 6.146 5.508/6.301 6.081 ± 0.5537
ea08 1342 1342/1342 1342 ± 0 6.35 5.892/7.137 6.576 ± 0.6618
ea09 1342 1342/1342 1342 ± 0 6.227 5.678/7.029 6.306 ± 0.7109
ea10 1342 1342/1342 1342 ± 0 6.203 5.665/6.931 6.322 ± 0.6433
ea11 1342 1342/1342 1342 ± 0 6.483 5.752/7.158 6.537 ± 0.7676
ea12 1342 1342/1342 1342 ± 0 6.385 5.83/7.052 6.521 ± 0.7226
ea13 1342 1342/1342 1342 ± 0 6.321 5.98/6.91 6.522 ± 0.5815
ea14 1342 1342/1342 1342 ± 0 6.489 5.741/6.934 6.432 ± 0.7566
ea15 1342 1342/1342 1342 ± 0 6.341 5.632/6.832 6.298 ± 0.7504
ea16 1342 1342/1342 1342 ± 0 6.483 5.907/6.961 6.529 ± 0.7048
ea17 1342 1342/1342 1342 ± 0 6.775 6.33/7.8 7.007 ± 0.7224
ea18 1342 1342/1342 1342 ± 0 5.077 4.702/5.463 5.09 ± 0.4715
ea19 1342 1342/1342 1342 ± 0 6.747 6.007/7.256 6.673 ± 0.7177
ea20 1342 1342/1342 1342 ± 0 6.348 5.901/7.248 6.5 ± 0.7097
ea21 1342 1342/1342 1342 ± 0 6.232 5.752/6.861 6.362 ± 0.6496
ea22 1342 1342/1342 1342 ± 0 6.679 5.779/7.099 6.527 ± 0.7364
ea23 1342 1342/1342 1342 ± 0 6.463 5.976/7.054 6.6 ± 0.7463
ea24 1342 1342/1342 1342 ± 0 6.346 5.523/6.86 6.19 ± 0.6764
ea25 1342 1342/1342 1342 ± 0 6.385 5.517/6.756 6.279 ± 0.7897
ea26 1342 1342/1342 1342 ± 0 6.546 5.913/7.287 6.555 ± 0.7147
ea27 1342 1342/1342 1342 ± 0 6.124 5.743/7.176 6.404 ± 0.7369
ea28 1342 1342/1342 1342 ± 0 6.189 5.848/7.029 6.447 ± 0.7021
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 ± 0.0000231 5.734 5.616/5.882 5.7 ± 0.3158
4 1342 1342/1342 1342 ± 0.0000237 5.645 5.34/5.722 5.548 ± 0.4175
5 1342 1342/1342 1342 ± 0.0000231 5.791 5.527/5.991 5.749 ± 0.359
6 1342 1342/1342 1342 ± 0.0000231 5.704 5.583/5.909 5.709 ± 0.317
7 1342 1342/1342 1342 ± 0.0000231 5.77 5.576/5.953 5.756 ± 0.3021
8 1342 1342/1342 1342 ± 0.0000231 5.761 5.503/5.913 5.723 ± 0.3259
9 1342 1342/1342 1342 ± 0.0000231 6.063 5.936/6.222 6.038 ± 0.3501
10 1342 1342/1342 1342 ± 0.0000231 6.575 6.35/6.741 6.513 ± 0.3619
11 1342 1342/1342 1342 ± 0.0000231 6.835 6.628/6.963 6.754 ± 0.373
12 1342 1342/1342 1342 ± 0.0000231 6.967 6.797/7.111 6.913 ± 0.4058
13 1342 1342/1342 1342 ± 0.0000231 7.477 7.233/7.627 7.411 ± 0.4208
14 1342 1342/1342 1342 ± 0.0000231 7.725 7.495/7.854 7.627 ± 0.4186
15 1342 1342/1342 1342 ± 0.0000231 7.286 7.11/7.484 7.246 ± 0.3982
16 1342 1342/1342 1342 ± 0.0000231 6.484 6.308/6.75 6.471 ± 0.4142
17 1342 1342/1342 1342 ± 0.0000231 6.457 6.233/6.695 6.415 ± 0.3961
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-05-14 19:10:06.642
End
2025-05-14 20:04:58.040
Duration
0:54:51.398
Note, WebLog generation is not included in the time.

CASA logs for stage 8