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 6.311 5.839/6.892 6.367 ± 0.7851
ea03 1342 1342/1342 1342 ± 0 5.617 5.098/6.551 5.74 ± 0.8955
ea04 1342 1342/1342 1342 ± 0 5.763 5.283/6.461 5.866 ± 0.8178
ea05 1342 1342/1342 1342 ± 0 6.218 5.653/7.058 6.248 ± 0.9174
ea06 1342 1342/1342 1342 ± 0 6.146 5.638/6.618 6.138 ± 0.7534
ea07 1342 1342/1342 1342 ± 0 6.289 5.428/6.476 6.092 ± 0.7422
ea08 1342 1342/1342 1342 ± 0 6.101 5.477/6.853 6.138 ± 0.8525
ea09 1342 1342/1342 1342 ± 0 6.11 5.534/6.836 6.169 ± 0.9066
ea10 1342 1342/1342 1342 ± 0 6.283 5.613/7.088 6.257 ± 0.9333
ea11 1342 1342/1342 1342 ± 0.000001645 6.401 5.41/6.824 6.142 ± 0.9211
ea12 1342 1342/1342 1342 ± 0 6.527 5.678/6.912 6.351 ± 0.9069
ea13 1342 1342/1342 1342 ± 0 5.801 5.737/6.413 6.057 ± 0.535
ea14 1342 1342/1342 1342 ± 0 6.342 5.703/6.98 6.338 ± 0.9093
ea15 1342 1342/1342 1342 ± 0 5.864 5.383/6.451 5.901 ± 0.7696
ea16 1342 1342/1342 1342 ± 0 6.528 5.872/7.052 6.496 ± 0.8488
ea17 1342 1342/1342 1342 ± 0 6.825 6.258/7.813 6.933 ± 0.8706
ea18 1342 1342/1342 1342 ± 0 5.258 4.799/5.667 5.294 ± 0.5226
ea19 1342 1342/1342 1342 ± 0 6.725 5.83/7.274 6.523 ± 0.8441
ea20 1342 1342/1342 1342 ± 0 5.968 5.561/6.708 6.101 ± 0.8375
ea21 1342 1342/1342 1342 ± 0 5.472 5.161/6.067 5.594 ± 0.5882
ea22 1342 1342/1342 1342 ± 0.000005326 6.416 5.429/6.768 6.117 ± 0.823
ea23 1342 1342/1342 1342 ± 0 6.384 5.787/6.891 6.418 ± 0.7599
ea24 1342 1342/1342 1342 ± 0 6.061 5.342/6.613 5.929 ± 0.7147
ea25 1342 1342/1342 1342 ± 0 6.719 5.733/7.157 6.482 ± 0.9514
ea26 1342 1342/1342 1342 ± 0 6.656 6.025/7.502 6.554 ± 1.041
ea27 1342 1342/1342 1342 ± 0 6.104 5.586/7.02 6.169 ± 0.8739
ea28 1342 1342/1342 1342 ± 0 6.245 5.861/7.076 6.409 ± 0.8399
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 ± 0.00002305 5.631 5.361/5.819 5.584 ± 0.3244
3 1342 1342/1342 1342 ± 0.00002409 5.264 5.043/5.401 5.257 ± 0.3396
4 1342 1342/1342 1342 ± 0.00002712 4.348 4.132/4.443 4.351 ± 0.2776
5 1342 1342/1342 1342 ± 0.00002305 5.71 5.337/5.812 5.597 ± 0.3469
6 1342 1342/1342 1342 ± 0.00002305 5.596 5.406/5.777 5.554 ± 0.2993
7 1342 1342/1342 1342 ± 0.00002305 5.671 5.433/5.822 5.622 ± 0.3071
8 1342 1342/1342 1342 ± 0.00002305 5.51 5.301/5.782 5.554 ± 0.3406
9 1342 1342/1342 1342 ± 0.00002305 5.899 5.625/6.121 5.857 ± 0.3323
10 1342 1342/1342 1342 ± 0.00002305 6.547 6.275/6.674 6.443 ± 0.3429
11 1342 1342/1342 1342 ± 0.00002305 6.759 6.498/6.941 6.684 ± 0.3588
12 1342 1342/1342 1342 ± 0.00002305 6.898 6.592/7.054 6.823 ± 0.4299
13 1342 1342/1342 1342 ± 0.00002305 7.387 7.099/7.755 7.364 ± 0.4613
14 1342 1342/1342 1342 ± 0.00002305 7.616 7.204/7.868 7.559 ± 0.4685
15 1342 1342/1342 1342 ± 0.00002305 7.158 6.806/7.446 7.143 ± 0.4338
16 1342 1342/1342 1342 ± 0.00002305 6.419 6.217/6.838 6.468 ± 0.4265
17 1342 1342/1342 1342 ± 0.00002305 6.464 6.229/6.662 6.421 ± 0.4393
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-06-11 08:12:44.634
End
2025-06-11 09:20:56.225
Duration
1:08:11.591
Note, WebLog generation is not included in the time.

CASA logs for stage 8