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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.184 5.55/6.627 6.143 ± 0.6923
ea02 1342 1342/1342 1342 ± 0.00003065 6.292 5.559/6.451 6.133 ± 0.6326
ea03 1342 1342/1342 1342 ± 0 6.05 5.41/6.674 6.055 ± 0.7335
ea04 1342 1342/1342 1342 ± 0.000005742 5.584 5.211/5.992 5.623 ± 0.5918
ea05 1342 1342/1342 1342 ± 0 6.005 5.311/6.597 5.913 ± 0.6804
ea06 1342 1342/1342 1342 ± 0 5.848 5.094/6.045 5.699 ± 0.6324
ea07 1342 1342/1342 1342 ± 0 6.034 5.123/6.239 5.846 ± 0.7093
ea08 1342 1342/1342 1342 ± 0 6.46 5.628/6.825 6.331 ± 0.6853
ea09 1342 1342/1342 1342 ± 0 5.631 5.147/6.395 5.793 ± 0.6555
ea10 1342 1342/1342 1342 ± 0 5.455 5.107/6.078 5.533 ± 0.5929
ea11 1342 1342/1342 1342 ± 0 5.444 5.05/6.143 5.565 ± 0.6605
ea13 1342 1342/1342 1342 ± 0 6.313 5.553/6.441 6.087 ± 0.5905
ea14 1342 1342/1342 1342 ± 0 5.961 5.56/6.495 6.098 ± 0.5546
ea15 1342 1342/1342 1342 ± 0 6.222 5.615/6.595 6.239 ± 0.6949
ea16 1342 1342/1342 1342 ± 0 6.208 5.629/6.697 6.203 ± 0.6934
ea17 1342 1342/1342 1342 ± 0 6.226 5.76/7.056 6.296 ± 0.7217
ea18 1342 1342/1342 1342 ± 0 6.556 5.877/7.239 6.485 ± 0.7285
ea19 1342 1342/1342 1342 ± 0 5.991 5.396/6.622 5.967 ± 0.7031
ea20 1342 1342/1342 1342 ± 0 6.05 5.401/6.482 5.935 ± 0.6756
ea21 1342 1342/1342 1342 ± 0 5.484 5.144/5.969 5.614 ± 0.5251
ea22 1342 1342/1342 1342 ± 0 6.412 5.666/6.822 6.224 ± 0.6632
ea23 1342 1342/1342 1342 ± 0.0000014 5.982 5.462/6.368 6.041 ± 0.6872
ea24 1342 1342/1342 1342 ± 0.000001408 6.132 5.369/6.534 5.944 ± 0.6165
ea25 1342 1342/1342 1342 ± 0 6.615 5.709/6.968 6.522 ± 0.8043
ea27 1342 1342/1342 1342 ± 0.000001429 5.74 5.322/6.469 5.872 ± 0.6485
ea28 1342 1342/1342 1342 ± 0.000001409 6.29 5.702/6.954 6.334 ± 0.6709
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 ± 0.0000235 5.516 5.338/5.669 5.503 ± 0.24
3 1342 1342/1342 1342 ± 0.00003152 4.084 3.877/4.619 4.279 ± 0.6266
4 1342 1342/1342 1342 ± 0.00002502 5.172 4.969/5.44 5.211 ± 0.2685
5 1342 1342/1342 1342 ± 0.00002352 5.314 5.092/5.523 5.301 ± 0.2944
6 1342 1342/1342 1342 ± 0.00002385 5.321 5.115/5.621 5.345 ± 0.31
7 1342 1342/1342 1342 ± 0.0000235 5.46 5.301/5.641 5.45 ± 0.254
8 1342 1342/1342 1342 ± 0.0000235 5.399 5.176/5.612 5.397 ± 0.2819
9 1342 1342/1342 1342 ± 0.0000235 5.652 5.601/5.948 5.72 ± 0.2846
10 1342 1342/1342 1342 ± 0.00002352 6.186 6.047/6.298 6.159 ± 0.2494
11 1342 1342/1342 1342 ± 0.00002367 6.43 6.172/6.572 6.377 ± 0.2764
12 1342 1342/1342 1342 ± 0.0000235 6.49 6.366/6.701 6.518 ± 0.3286
13 1342 1342/1342 1342 ± 0.00002354 6.967 6.752/7.181 6.956 ± 0.3247
14 1342 1342/1342 1342 ± 0.0000235 7.136 6.89/7.445 7.14 ± 0.3482
15 1342 1342/1342 1342 ± 0.0000235 6.883 6.609/7.199 6.865 ± 0.3754
16 1342 1342/1342 1342 ± 0.0000235 6.256 5.985/6.546 6.219 ± 0.3988
17 1342 1342/1342 1342 ± 0.0000235 6.203 5.989/6.461 6.188 ± 0.3652
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-07-29 04:00:30.180
End
2025-07-29 04:38:46.485
Duration
0:38:16.304
Note, WebLog generation is not included in the time.

CASA logs for stage 8