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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.808 5.638/6.413 6.016 ± 0.5519
ea02 1342 1342/1342 1342 ± 0 5.971 5.5/6.795 6.135 ± 0.6989
ea04 1342 1342/1342 1342 ± 0 5.417 4.899/6.007 5.455 ± 0.6529
ea05 1342 1342/1342 1342 ± 0.000008516 5.774 4.998/6.333 5.627 ± 0.6686
ea06 1342 1342/1342 1342 ± 0 4.773 4.379/5.161 4.781 ± 0.4352
ea07 1342 1342/1342 1342 ± 0 6.249 5.63/6.585 6.242 ± 0.648
ea08 1342 1342/1342 1342 ± 0.000002661 6.065 5.642/7.004 6.323 ± 0.7536
ea09 1342 1342/1342 1342 ± 0 5.493 5.098/6.445 5.702 ± 0.6804
ea10 1342 1342/1342 1342 ± 0 6.175 5.484/6.931 6.219 ± 0.7662
ea11 1342 1342/1342 1342 ± 0 6.116 5.403/6.627 6.1 ± 0.7073
ea12 1342 1342/1342 1342 ± 0 5.889 5.274/6.414 5.91 ± 0.6712
ea13 1342 1342/1342 1342 ± 0 5.764 5.412/6.248 5.896 ± 0.6124
ea14 1342 1342/1342 1342 ± 0 6.075 5.259/6.472 5.978 ± 0.6942
ea15 1342 1342/1342 1342 ± 0 5.55 4.758/6.047 5.499 ± 0.7636
ea16 1342 1342/1342 1342 ± 0 6.144 5.559/6.774 6.291 ± 0.7734
ea17 1342 1342/1342 1342 ± 0.00001819 6.332 5.776/7.136 6.434 ± 0.743
ea18 1342 1342/1342 1342 ± 0 5.238 4.777/5.822 5.314 ± 0.5475
ea19 1342 1342/1342 1342 ± 0 6.095 5.334/6.687 6.089 ± 0.7585
ea20 1342 1342/1342 1342 ± 0 6.346 5.652/6.874 6.259 ± 0.699
ea21 1342 1342/1342 1342 ± 0 5.777 5.151/6.336 5.774 ± 0.6551
ea22 1342 1342/1342 1342 ± 0 5.39 5.184/6.334 5.716 ± 0.6454
ea23 1342 1342/1342 1342 ± 0 6.315 5.632/6.832 6.313 ± 0.7297
ea25 1342 1342/1342 1342 ± 0 5.897 5.465/6.507 5.993 ± 0.6437
ea26 1342 1342/1342 1342 ± 0 5.746 5.374/6.816 6.032 ± 0.7564
ea27 1342 1342/1342 1342 ± 0.0000218 5.835 5.652/6.792 6.096 ± 0.6648
ea28 1342 1342/1342 1342 ± 0.0000238 5.86 5.641/6.899 6.202 ± 0.734
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 ± 0.00002348 5.353 5.11/5.596 5.349 ± 0.364
3 1342 1342/1342 1342 ± 0.00002489 5.228 5.095/5.444 5.214 ± 0.3135
4 1342 1342/1342 1342 ± 0.00002744 5.305 4.884/5.543 5.2 ± 0.4212
5 1342 1342/1342 1342 ± 0.00002348 5.348 5.132/5.678 5.341 ± 0.4118
6 1342 1342/1342 1342 ± 0.00002348 5.328 5.107/5.601 5.281 ± 0.3799
7 1342 1342/1342 1342 ± 0.00002348 5.432 5.172/5.63 5.327 ± 0.3451
8 1342 1342/1342 1342 ± 0.00002348 5.4 5.096/5.595 5.304 ± 0.3626
9 1342 1342/1342 1342 ± 0.00002348 5.678 5.384/5.982 5.616 ± 0.4367
10 1342 1342/1342 1342 ± 0.00002348 6.169 5.893/6.408 6.102 ± 0.4099
11 1342 1342/1342 1342 ± 0.00002348 6.443 6.149/6.62 6.338 ± 0.4164
12 1342 1342/1342 1342 ± 0.00002348 6.602 6.343/6.834 6.523 ± 0.4347
13 1342 1342/1342 1342 ± 0.00002348 7.142 6.764/7.259 7.006 ± 0.452
14 1342 1342/1342 1342 ± 0.00002348 7.295 6.9/7.584 7.198 ± 0.5191
15 1342 1342/1342 1342 ± 0.00002348 6.851 6.524/7.041 6.73 ± 0.4782
16 1342 1342/1342 1342 ± 0.0000312 5.913 5.689/6.303 5.959 ± 0.4361
17 1342 1342/1342 1342 ± 0.00002975 6 5.678/6.244 5.961 ± 0.4016
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-07 17:49:53.368
End
2025-01-07 19:00:16.996
Duration
1:10:23.629
Note, WebLog generation is not included in the time.

CASA logs for stage 8