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 5.792 5.621/6.404 5.995 ± 0.5553
ea02 1342 1342/1342 1342 ± 0 5.94 5.458/6.778 6.108 ± 0.7018
ea04 1342 1342/1342 1342 ± 0 5.396 4.847/5.998 5.434 ± 0.6601
ea05 1342 1342/1342 1342 ± 0.000008672 5.787 4.967/6.324 5.608 ± 0.675
ea06 1342 1342/1342 1342 ± 0 4.757 4.359/5.144 4.764 ± 0.4389
ea07 1342 1342/1342 1342 ± 0 6.235 5.59/6.575 6.215 ± 0.6523
ea08 1342 1342/1342 1342 ± 0 6.028 5.641/6.977 6.3 ± 0.7547
ea09 1342 1342/1342 1342 ± 0 5.467 5.076/6.44 5.681 ± 0.6835
ea10 1342 1342/1342 1342 ± 0 6.167 5.45/6.908 6.192 ± 0.7736
ea11 1342 1342/1342 1342 ± 0 6.101 5.38/6.616 6.081 ± 0.709
ea12 1342 1342/1342 1342 ± 0 5.874 5.245/6.39 5.886 ± 0.6747
ea13 1342 1342/1342 1342 ± 0 5.795 5.377/6.215 5.874 ± 0.6115
ea14 1342 1342/1342 1342 ± 0 6.061 5.243/6.439 5.956 ± 0.6963
ea15 1342 1342/1342 1342 ± 0 5.529 4.726/6.036 5.475 ± 0.7679
ea16 1342 1342/1342 1342 ± 0 6.137 5.529/6.75 6.266 ± 0.7754
ea17 1342 1342/1342 1342 ± 0.00001683 6.3 5.67/7.107 6.395 ± 0.7587
ea18 1342 1342/1342 1342 ± 0 5.232 4.768/5.814 5.3 ± 0.5483
ea19 1342 1342/1342 1342 ± 0 6.116 5.315/6.668 6.071 ± 0.7629
ea20 1342 1342/1342 1342 ± 0 6.333 5.621/6.874 6.241 ± 0.6992
ea21 1342 1342/1342 1342 ± 0 5.781 5.11/6.309 5.749 ± 0.6583
ea22 1342 1342/1342 1342 ± 0 5.381 5.157/6.323 5.702 ± 0.6465
ea23 1342 1342/1342 1342 ± 0 6.354 5.606/6.814 6.297 ± 0.7377
ea25 1342 1342/1342 1342 ± 0 5.898 5.43/6.506 5.973 ± 0.6507
ea26 1342 1342/1342 1342 ± 0 5.713 5.341/6.799 6.005 ± 0.7601
ea27 1342 1342/1342 1342 ± 0.00002379 5.83 5.632/6.771 6.072 ± 0.6693
ea28 1342 1342/1342 1342 ± 0.00002293 5.84 5.627/6.878 6.179 ± 0.7346
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 5.313 5.068/5.573 5.308 ± 0.3588
3 1342 1342/1342 1342 ± 0.00002489 5.2 5.063/5.411 5.179 ± 0.3072
4 1342 1342/1342 1342 ± 0.00002751 5.241 4.853/5.521 5.159 ± 0.4157
5 1342 1342/1342 1342 ± 0.00002348 5.324 5.104/5.652 5.312 ± 0.4099
6 1342 1342/1342 1342 ± 0.00002348 5.302 5.089/5.575 5.254 ± 0.3755
7 1342 1342/1342 1342 ± 0.00002348 5.421 5.14/5.585 5.304 ± 0.3403
8 1342 1342/1342 1342 ± 0.00002348 5.378 5.073/5.568 5.283 ± 0.3589
9 1342 1342/1342 1342 ± 0.00002348 5.696 5.366/5.958 5.597 ± 0.4321
10 1342 1342/1342 1342 ± 0.00002348 6.161 5.878/6.391 6.085 ± 0.4064
11 1342 1342/1342 1342 ± 0.00002348 6.426 6.143/6.611 6.32 ± 0.4157
12 1342 1342/1342 1342 ± 0.00002348 6.586 6.324/6.815 6.503 ± 0.4308
13 1342 1342/1342 1342 ± 0.00002348 7.132 6.743/7.241 6.987 ± 0.451
14 1342 1342/1342 1342 ± 0.00002348 7.305 6.876/7.556 7.179 ± 0.5166
15 1342 1342/1342 1342 ± 0.00002348 6.838 6.522/7.021 6.713 ± 0.4736
16 1342 1342/1342 1342 ± 0.00003099 5.903 5.676/6.287 5.95 ± 0.4343
17 1342 1342/1342 1342 ± 0.00002998 5.99 5.667/6.215 5.949 ± 0.4052
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-07 06:50:20.689
End
2025-01-07 08:04:00.055
Duration
1:13:39.366
Note, WebLog generation is not included in the time.

CASA logs for stage 8