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 6.455 5.975/6.858 6.519 ± 0.5985
ea03 1342 1342/1342 1342 ± 0 5.708 5.212/6.712 5.925 ± 0.7214
ea04 1342 1342/1342 1342 ± 0 6.235 5.784/6.736 6.34 ± 0.6497
ea05 1342 1342/1342 1342 ± 0 6.096 5.826/7.05 6.366 ± 0.7108
ea06 1342 1342/1342 1342 ± 0 6.341 5.89/6.783 6.367 ± 0.5754
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.112 5.719/6.732 6.263 ± 0.6011
ea09 1342 1342/1342 1342 ± 0 6.187 5.651/6.9 6.328 ± 0.6723
ea10 1342 1342/1342 1342 ± 0 7.128 6.803/7.395 7.038 ± 0.4455
ea11 1342 1342/1342 1342 ± 0 6.182 5.637/6.844 6.299 ± 0.706
ea12 1342 1342/1342 1342 ± 0 6.47 5.883/7.059 6.587 ± 0.6877
ea13 1342 1342/1342 1342 ± 0 5.794 5.366/6.1 5.844 ± 0.4273
ea14 1342 1342/1342 1342 ± 0 6.418 5.951/7.009 6.565 ± 0.6566
ea15 1342 1342/1342 1342 ± 0 5.966 5.493/6.579 6.071 ± 0.6299
ea16 1342 1342/1342 1342 ± 0 6.564 6.04/7.041 6.603 ± 0.6962
ea17 1342 1342/1342 1342 ± 0 6.869 6.546/7.856 7.088 ± 0.6921
ea18 1342 1342/1342 1342 ± 0 5.195 4.847/5.586 5.237 ± 0.4907
ea19 1342 1342/1342 1342 ± 0 6.532 6.083/7.305 6.688 ± 0.6903
ea20 1342 1342/1342 1342 ± 0 5.806 5.63/6.688 6.065 ± 0.6032
ea21 1342 1342/1342 1342 ± 0 5.52 5.308/6.037 5.706 ± 0.4593
ea22 1342 1342/1342 1342 ± 0 6.232 5.591/6.624 6.158 ± 0.572
ea23 1342 1342/1342 1342 ± 0 6.219 5.985/6.895 6.48 ± 0.6698
ea24 1342 1342/1342 1342 ± 0 6.11 5.373/6.581 5.985 ± 0.5823
ea25 1342 1342/1342 1342 ± 0.000002289 6.859 6.109/7.153 6.765 ± 0.7689
ea26 1342 1342/1342 1342 ± 0 6.713 6.164/7.477 6.822 ± 0.7009
ea27 1342 1342/1342 1342 ± 0 6.052 5.733/7.028 6.359 ± 0.6497
ea28 1342 1342/1342 1342 ± 0 6.274 5.946/7.126 6.545 ± 0.6614
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 ± 0.00002394 5.934 5.688/6.197 5.871 ± 0.3537
4 1342 1342/1342 1342 ± 0.00002394 5.5 5.247/5.817 5.531 ± 0.4398
5 1342 1342/1342 1342 ± 0.00002394 5.861 5.608/6.09 5.818 ± 0.3815
6 1342 1342/1342 1342 ± 0.00002394 5.725 5.492/5.866 5.679 ± 0.3158
7 1342 1342/1342 1342 ± 0.00002394 5.837 5.614/5.951 5.768 ± 0.328
8 1342 1342/1342 1342 ± 0.00002394 5.671 5.472/5.952 5.716 ± 0.38
9 1342 1342/1342 1342 ± 0.00002394 6.051 5.748/6.294 6.01 ± 0.3824
10 1342 1342/1342 1342 ± 0.00002349 6.6 6.235/6.705 6.463 ± 0.3703
11 1342 1342/1342 1342 ± 0.00002349 6.778 6.548/6.971 6.701 ± 0.3873
12 1342 1342/1342 1342 ± 0.00002349 6.885 6.629/7.07 6.832 ± 0.4552
13 1342 1342/1342 1342 ± 0.00002349 7.365 7.079/7.705 7.303 ± 0.5085
14 1342 1342/1342 1342 ± 0.00002349 7.536 7.249/7.825 7.508 ± 0.5096
15 1342 1342/1342 1342 ± 0.00002349 7.098 6.775/7.494 7.096 ± 0.4934
16 1342 1342/1342 1342 ± 0.00002349 6.299 5.991/6.677 6.342 ± 0.5142
17 1342 1342/1342 1342 ± 0.00002355 6.256 5.989/6.498 6.225 ± 0.4913
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-06-12 03:46:41.799
End
2025-06-12 04:57:37.079
Duration
1:10:55.280
Note, WebLog generation is not included in the time.

CASA logs for stage 8