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 6.206 5.938/6.842 6.403 ± 0.5754
ea03 1342 1342/1342 1342 ± 0 5.664 5.159/6.703 5.855 ± 0.7301
ea04 1342 1342/1342 1342 ± 0 6.243 5.698/6.764 6.304 ± 0.6951
ea05 1342 1342/1342 1342 ± 0 6.124 5.82/7.048 6.35 ± 0.7307
ea06 1342 1342/1342 1342 ± 0 6.468 5.819/6.793 6.331 ± 0.6394
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 5.865 5.578/6.686 6.121 ± 0.6156
ea09 1342 1342/1342 1342 ± 0 6.156 5.514/6.909 6.212 ± 0.6885
ea10 1342 1342/1342 1342 ± 0 7.07 6.763/7.305 7.016 ± 0.4102
ea11 1342 1342/1342 1342 ± 0 6.34 5.568/6.821 6.297 ± 0.7316
ea12 1342 1342/1342 1342 ± 0 6.538 5.834/6.983 6.542 ± 0.7069
ea13 1342 1342/1342 1342 ± 0 5.792 5.455/6.217 5.894 ± 0.422
ea14 1342 1342/1342 1342 ± 0 6.595 5.826/6.991 6.524 ± 0.7205
ea15 1342 1342/1342 1342 ± 0 6.084 5.432/6.565 6.055 ± 0.6601
ea16 1342 1342/1342 1342 ± 0 6.509 5.873/7.004 6.541 ± 0.7396
ea17 1342 1342/1342 1342 ± 0 6.825 6.359/7.828 7.048 ± 0.7504
ea18 1342 1342/1342 1342 ± 0 5.227 4.824/5.657 5.267 ± 0.5481
ea19 1342 1342/1342 1342 ± 0 6.717 5.934/7.25 6.628 ± 0.7088
ea20 1342 1342/1342 1342 ± 0 5.924 5.565/6.692 6.078 ± 0.6153
ea21 1342 1342/1342 1342 ± 0 5.447 5.184/6.016 5.633 ± 0.4871
ea22 1342 1342/1342 1342 ± 0 6.281 5.488/6.622 6.13 ± 0.6235
ea23 1342 1342/1342 1342 ± 0 6.305 5.852/6.906 6.474 ± 0.7012
ea24 1342 1342/1342 1342 ± 0 6.008 5.425/6.578 5.981 ± 0.5883
ea25 1342 1342/1342 1342 ± 0 6.847 5.971/7.234 6.706 ± 0.8242
ea26 1342 1342/1342 1342 ± 0 6.675 6.09/7.469 6.727 ± 0.7143
ea27 1342 1342/1342 1342 ± 0 6.109 5.708/7.039 6.321 ± 0.6901
ea28 1342 1342/1342 1342 ± 0 6.225 5.906/7.09 6.495 ± 0.6733
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 ± 0.00002392 5.718 5.516/5.991 5.714 ± 0.3368
4 1342 1342/1342 1342 ± 0.00002392 5.394 5.2/5.696 5.427 ± 0.4299
5 1342 1342/1342 1342 ± 0.00002392 5.799 5.447/5.894 5.677 ± 0.3541
6 1342 1342/1342 1342 ± 0.00002392 5.669 5.475/5.835 5.613 ± 0.3025
7 1342 1342/1342 1342 ± 0.00002392 5.771 5.524/5.907 5.701 ± 0.3163
8 1342 1342/1342 1342 ± 0.00002392 5.639 5.419/5.913 5.659 ± 0.3706
9 1342 1342/1342 1342 ± 0.00002392 5.987 5.753/6.229 5.961 ± 0.3584
10 1342 1342/1342 1342 ± 0.00002348 6.553 6.225/6.685 6.44 ± 0.351
11 1342 1342/1342 1342 ± 0.00002348 6.765 6.545/6.954 6.687 ± 0.3699
12 1342 1342/1342 1342 ± 0.00002348 6.879 6.635/7.044 6.821 ± 0.4344
13 1342 1342/1342 1342 ± 0.00002348 7.348 7.042/7.683 7.297 ± 0.4899
14 1342 1342/1342 1342 ± 0.00002348 7.527 7.22/7.838 7.456 ± 0.5041
15 1342 1342/1342 1342 ± 0.00002348 7.074 6.841/7.438 7.092 ± 0.4529
16 1342 1342/1342 1342 ± 0.00002348 6.358 6.083/6.732 6.38 ± 0.4928
17 1342 1342/1342 1342 ± 0.00002348 6.297 6.008/6.675 6.291 ± 0.5008
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-06-12 05:26:21.563
End
2025-06-12 06:28:51.001
Duration
1:02:29.438
Note, WebLog generation is not included in the time.

CASA logs for stage 8