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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.306 5.969/6.837 6.484 ± 0.6056
ea03 1342 1342/1342 1342 ± 0.00001165 5.69 5.193/6.689 5.898 ± 0.722
ea04 1342 1342/1342 1342 ± 0 6.197 5.752/6.71 6.317 ± 0.6308
ea05 1342 1342/1342 1342 ± 0 6.125 5.788/6.983 6.317 ± 0.7146
ea06 1342 1342/1342 1342 ± 0 6.324 5.909/6.76 6.357 ± 0.5687
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0.000007618 6.056 5.695/6.682 6.235 ± 0.603
ea09 1342 1342/1342 1342 ± 0 6.255 5.664/6.913 6.338 ± 0.677
ea10 1342 1342/1342 1342 ± 0 7.105 6.777/7.358 7.003 ± 0.4534
ea11 1342 1342/1342 1342 ± 0 6.166 5.63/6.819 6.28 ± 0.698
ea12 1342 1342/1342 1342 ± 0 6.446 5.946/7.029 6.569 ± 0.6558
ea13 1342 1342/1342 1342 ± 0.000001207 5.737 5.333/6.026 5.78 ± 0.4291
ea14 1342 1342/1342 1342 ± 0 6.343 5.913/7.034 6.549 ± 0.6542
ea15 1342 1342/1342 1342 ± 0 5.93 5.507/6.585 6.068 ± 0.6136
ea16 1342 1342/1342 1342 ± 0 6.502 6.05/7.011 6.578 ± 0.6803
ea17 1342 1342/1342 1342 ± 0 6.875 6.587/7.863 7.121 ± 0.6718
ea18 1342 1342/1342 1342 ± 0 5.098 4.778/5.483 5.143 ± 0.4559
ea19 1342 1342/1342 1342 ± 0 6.498 6.105/7.307 6.677 ± 0.6819
ea20 1342 1342/1342 1342 ± 0 5.723 5.644/6.637 6.028 ± 0.5745
ea21 1342 1342/1342 1342 ± 0 5.475 5.256/5.981 5.654 ± 0.4365
ea22 1342 1342/1342 1342 ± 0 6.215 5.716/6.597 6.144 ± 0.5511
ea23 1342 1342/1342 1342 ± 0 6.123 5.973/6.871 6.444 ± 0.6605
ea24 1342 1342/1342 1342 ± 0 6.082 5.45/6.562 6 ± 0.5479
ea25 1342 1342/1342 1342 ± 0.000005169 6.793 6.085/7.042 6.734 ± 0.7556
ea26 1342 1342/1342 1342 ± 0 6.707 6.283/7.409 6.817 ± 0.6654
ea27 1342 1342/1342 1342 ± 0 6.044 5.763/7.03 6.359 ± 0.6493
ea28 1342 1342/1342 1342 ± 0 6.23 5.942/7.078 6.485 ± 0.6386
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 ± 0.00002393 5.928 5.711/6.187 5.872 ± 0.3642
4 1342 1342/1342 1342 ± 0.00002414 5.511 5.294/5.784 5.546 ± 0.4603
5 1342 1342/1342 1342 ± 0.00002393 5.872 5.638/6.05 5.815 ± 0.3821
6 1342 1342/1342 1342 ± 0.00002393 5.755 5.513/5.861 5.684 ± 0.3314
7 1342 1342/1342 1342 ± 0.00002393 5.857 5.585/5.948 5.76 ± 0.347
8 1342 1342/1342 1342 ± 0.00002393 5.644 5.476/5.976 5.708 ± 0.3971
9 1342 1342/1342 1342 ± 0.00002393 6.021 5.721/6.278 5.99 ± 0.3979
10 1342 1342/1342 1342 ± 0.00002348 6.573 6.198/6.652 6.435 ± 0.383
11 1342 1342/1342 1342 ± 0.00002348 6.706 6.539/6.956 6.671 ± 0.4038
12 1342 1342/1342 1342 ± 0.00002348 6.86 6.6/7.042 6.807 ± 0.4709
13 1342 1342/1342 1342 ± 0.00002348 7.359 7.054/7.659 7.268 ± 0.5199
14 1342 1342/1342 1342 ± 0.00002348 7.501 7.217/7.778 7.465 ± 0.5292
15 1342 1342/1342 1342 ± 0.00002348 7.092 6.744/7.455 7.052 ± 0.5172
16 1342 1342/1342 1342 ± 0.00002348 6.232 5.907/6.625 6.26 ± 0.5288
17 1342 1342/1342 1342 ± 0.00002587 6.236 5.846/6.481 6.141 ± 0.5107
statwtmode
VLASS-SE
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-06-12 02:55:32.445
End
2025-06-12 03:56:07.363
Duration
1:00:34.919
Note, WebLog generation is not included in the time.

CASA logs for stage 8