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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.178 5.592/6.599 6.135 ± 0.6273
ea02 1342 1342/1342 1342 ± 0 6.297 5.658/6.524 6.221 ± 0.5849
ea03 1342 1342/1342 1342 ± 0.000005253 6.104 5.42/6.718 6.13 ± 0.6943
ea04 1342 1342/1342 1342 ± 0.000005218 5.673 5.254/6.043 5.677 ± 0.5314
ea05 1342 1342/1342 1342 ± 0.000001364 6.062 5.378/6.623 6.007 ± 0.6387
ea06 1342 1342/1342 1342 ± 0 5.949 5.096/6.094 5.705 ± 0.6159
ea07 1342 1342/1342 1342 ± 0 6.04 5.296/6.35 5.922 ± 0.6479
ea08 1342 1342/1342 1342 ± 0 6.503 5.814/6.822 6.434 ± 0.6135
ea09 1342 1342/1342 1342 ± 0 5.713 5.208/6.448 5.861 ± 0.6286
ea10 1342 1342/1342 1342 ± 0 5.519 5.067/6.007 5.533 ± 0.5283
ea11 1342 1342/1342 1342 ± 0 5.413 5.147/6.206 5.648 ± 0.6407
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.835 5.469/6.155 5.851 ± 0.4631
ea14 1342 1342/1342 1342 ± 0 6.077 5.493/6.386 6.065 ± 0.5023
ea15 1342 1342/1342 1342 ± 0 6.286 5.618/6.629 6.206 ± 0.6821
ea16 1342 1342/1342 1342 ± 0 6.195 5.67/6.704 6.24 ± 0.683
ea17 1342 1342/1342 1342 ± 0 6.135 5.706/6.912 6.25 ± 0.6303
ea18 1342 1342/1342 1342 ± 0 6.316 5.77/6.814 6.253 ± 0.5786
ea19 1342 1342/1342 1342 ± 0 6.034 5.481/6.473 6.031 ± 0.5672
ea20 1342 1342/1342 1342 ± 0 6.043 5.567/6.614 6.078 ± 0.5788
ea21 1342 1342/1342 1342 ± 0 5.429 5.103/5.899 5.57 ± 0.4962
ea22 1342 1342/1342 1342 ± 0 6.361 5.674/6.743 6.232 ± 0.6095
ea23 1342 1342/1342 1342 ± 0 6.145 5.531/6.305 6.05 ± 0.6255
ea24 1342 1342/1342 1342 ± 0 5.935 5.316/6.438 5.827 ± 0.5981
ea25 1342 1342/1342 1342 ± 0 6.436 5.647/6.827 6.372 ± 0.7546
ea27 1342 1342/1342 1342 ± 0 6 5.341/6.476 5.906 ± 0.643
ea28 1342 1342/1342 1342 ± 0 6.324 5.698/6.806 6.275 ± 0.5866
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 ± 0.00002356 5.508 5.366/5.669 5.498 ± 0.2606
4 1342 1342/1342 1342 ± 0.00002461 5.301 5.105/5.636 5.358 ± 0.3048
5 1342 1342/1342 1342 ± 0.00002511 5.315 5.136/5.534 5.335 ± 0.3188
6 1342 1342/1342 1342 ± 0.00002356 5.397 5.153/5.579 5.384 ± 0.2795
7 1342 1342/1342 1342 ± 0.00002356 5.481 5.317/5.662 5.448 ± 0.2371
8 1342 1342/1342 1342 ± 0.00002356 5.416 5.179/5.578 5.383 ± 0.2544
9 1342 1342/1342 1342 ± 0.00002356 5.718 5.586/5.868 5.702 ± 0.2603
10 1342 1342/1342 1342 ± 0.00002356 6.148 6.024/6.285 6.13 ± 0.2286
11 1342 1342/1342 1342 ± 0.00002356 6.344 6.18/6.472 6.338 ± 0.2449
12 1342 1342/1342 1342 ± 0.00002356 6.477 6.211/6.711 6.472 ± 0.288
13 1342 1342/1342 1342 ± 0.00002356 6.898 6.656/7.165 6.893 ± 0.3208
14 1342 1342/1342 1342 ± 0.00002356 7.134 6.801/7.272 7.054 ± 0.3206
15 1342 1342/1342 1342 ± 0.00002356 6.8 6.546/7.073 6.793 ± 0.3515
16 1342 1342/1342 1342 ± 0.00002356 6.192 6.056/6.517 6.211 ± 0.3628
17 1342 1342/1342 1342 ± 0.00002356 6.22 5.977/6.381 6.144 ± 0.3295
datacolumn
residual_data
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-25 00:12:52.904
End
2025-07-25 01:00:00.231
Duration
0:47:07.327
Note, WebLog generation is not included in the time.

CASA logs for stage 8