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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.327 5.875/6.923 6.393 ± 0.8004
ea03 1342 1342/1342 1342 ± 0.000001165 5.712 5.127/6.567 5.768 ± 0.8827
ea04 1342 1342/1342 1342 ± 0 5.628 5.237/6.419 5.866 ± 0.8141
ea05 1342 1342/1342 1342 ± 0 6.298 5.681/7.059 6.275 ± 0.9116
ea06 1342 1342/1342 1342 ± 0 6.142 5.668/6.633 6.151 ± 0.7583
ea07 1342 1342/1342 1342 ± 0 6.307 5.452/6.48 6.106 ± 0.7398
ea08 1342 1342/1342 1342 ± 0 6.175 5.516/6.862 6.175 ± 0.8403
ea09 1342 1342/1342 1342 ± 0 6.125 5.559/6.861 6.2 ± 0.9119
ea10 1342 1342/1342 1342 ± 0 6.286 5.654/7.101 6.285 ± 0.9213
ea11 1342 1342/1342 1342 ± 0.00000309 6.408 5.437/6.836 6.158 ± 0.9184
ea12 1342 1342/1342 1342 ± 0 6.557 5.721/6.95 6.381 ± 0.9105
ea13 1342 1342/1342 1342 ± 0 5.851 5.776/6.421 6.086 ± 0.5175
ea14 1342 1342/1342 1342 ± 0 6.359 5.74/7.007 6.367 ± 0.9059
ea15 1342 1342/1342 1342 ± 0 5.87 5.404/6.48 5.924 ± 0.7706
ea16 1342 1342/1342 1342 ± 0 6.539 5.9/7.055 6.509 ± 0.8477
ea17 1342 1342/1342 1342 ± 0 6.833 6.319/7.831 6.976 ± 0.8532
ea18 1342 1342/1342 1342 ± 0 5.268 4.818/5.673 5.311 ± 0.5136
ea19 1342 1342/1342 1342 ± 0 6.741 5.887/7.289 6.551 ± 0.8442
ea20 1342 1342/1342 1342 ± 0 5.945 5.594/6.723 6.113 ± 0.8327
ea21 1342 1342/1342 1342 ± 0 5.493 5.185/6.073 5.616 ± 0.5874
ea22 1342 1342/1342 1342 ± 0.000008243 6.413 5.464/6.787 6.132 ± 0.8188
ea23 1342 1342/1342 1342 ± 0 6.389 5.821/6.912 6.447 ± 0.7641
ea24 1342 1342/1342 1342 ± 0 6.15 5.355/6.64 5.957 ± 0.7243
ea25 1342 1342/1342 1342 ± 0 6.74 5.782/7.188 6.504 ± 0.95
ea26 1342 1342/1342 1342 ± 0 6.738 6.045/7.514 6.599 ± 1.062
ea27 1342 1342/1342 1342 ± 0 6.1 5.626/7.016 6.183 ± 0.87
ea28 1342 1342/1342 1342 ± 0 6.276 5.872/7.086 6.435 ± 0.8408
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 ± 0.00002307 5.669 5.387/5.854 5.618 ± 0.331
3 1342 1342/1342 1342 ± 0.00002467 5.3 5.032/5.412 5.271 ± 0.3454
4 1342 1342/1342 1342 ± 0.00002716 4.34 4.153/4.457 4.375 ± 0.2917
5 1342 1342/1342 1342 ± 0.00002307 5.745 5.361/5.854 5.634 ± 0.3515
6 1342 1342/1342 1342 ± 0.00002307 5.637 5.435/5.839 5.589 ± 0.3054
7 1342 1342/1342 1342 ± 0.00002307 5.691 5.456/5.836 5.648 ± 0.3087
8 1342 1342/1342 1342 ± 0.00002307 5.535 5.322/5.809 5.576 ± 0.3454
9 1342 1342/1342 1342 ± 0.00002307 5.91 5.643/6.133 5.876 ± 0.3388
10 1342 1342/1342 1342 ± 0.00002307 6.565 6.296/6.699 6.458 ± 0.3458
11 1342 1342/1342 1342 ± 0.00002307 6.785 6.516/6.95 6.7 ± 0.364
12 1342 1342/1342 1342 ± 0.00002307 6.913 6.621/7.065 6.835 ± 0.4311
13 1342 1342/1342 1342 ± 0.00002307 7.398 7.119/7.773 7.384 ± 0.4661
14 1342 1342/1342 1342 ± 0.00002307 7.632 7.215/7.914 7.584 ± 0.4721
15 1342 1342/1342 1342 ± 0.00002307 7.169 6.849/7.473 7.163 ± 0.44
16 1342 1342/1342 1342 ± 0.00002307 6.42 6.245/6.896 6.502 ± 0.4408
17 1342 1342/1342 1342 ± 0.00002307 6.474 6.201/6.81 6.456 ± 0.4402
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
statwtmode
VLASS-SE
Start time
2025-06-11 05:46:15.348
End
2025-06-11 06:47:02.477
Duration
1:00:47.129
Note, WebLog generation is not included in the time.

CASA logs for stage 8