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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.346 5.224/6.106 5.53 ± 0.7715
ea02 1342 1342/1342 1342 ± 0.00004338 5.88 5.248/6.634 5.706 ± 0.9616
ea03 1342 1342/1342 1342 ± 0.00002743 4.943 4.671/5.905 5.112 ± 0.7813
ea04 1342 1342/1342 1342 ± 0.00003915 5.331 5.083/6.108 5.453 ± 0.7904
ea05 1342 1342/1342 1342 ± 0.00003123 5.492 5.117/6.477 5.582 ± 0.9165
ea06 1342 1342/1342 1342 ± 0.00001404 4.291 4.08/4.827 4.256 ± 0.7294
ea07 1342 1342/1342 1342 ± 0.000041 5.86 5.213/6.123 5.713 ± 0.8594
ea08 1342 1342/1342 1342 ± 0.00004099 6.095 5.49/6.726 5.962 ± 0.9752
ea09 1342 1342/1342 1342 ± 0.0000334 5.547 5.07/6.29 5.493 ± 0.8488
ea10 1342 1342/1342 1342 ± 0.00004007 5.966 5.2/6.654 5.81 ± 0.9382
ea11 1342 1342/1342 1342 ± 0.00001883 5.687 4.942/6.268 5.452 ± 1.049
ea12 1342 1342/1342 1342 ± 0.00003968 5.564 5.321/6.541 5.715 ± 0.8837
ea13 1342 1342/1342 1342 ± 0.00002952 5.866 5.571/6.291 5.781 ± 0.8639
ea14 1342 1342/1342 1342 ± 0.00004062 5.659 5.113/6.234 5.582 ± 0.9826
ea15 1342 1342/1342 1342 ± 0.0000114 3.784 3.564/4.669 3.94 ± 0.982
ea16 1342 1342/1342 1342 ± 0.00003681 5.797 5.57/6.753 5.905 ± 1.009
ea17 1342 1342/1342 1342 ± 0.00002244 6.138 5.6/7.336 6.118 ± 1.187
ea18 1342 1342/1342 1342 ± 0.00004014 4.757 4.448/5.483 4.831 ± 0.6183
ea19 1342 1342/1342 1342 ± 0.00002425 5.489 5.186/6.359 5.601 ± 0.8621
ea20 1342 1342/1342 1342 ± 0.00003121 5.988 5.788/7.009 6.076 ± 1.103
ea21 1342 1342/1342 1342 ± 0.00003711 5.662 5.313/6.425 5.662 ± 0.9143
ea23 1342 1342/1342 1342 ± 0.00004157 5.467 5.122/5.627 5.248 ± 0.7105
ea24 1342 1342/1342 1342 ± 0.00003837 5.597 5.274/6.357 5.572 ± 0.8619
ea25 1342 1342/1342 1342 ± 0.00004039 5.566 5.252/6.27 5.558 ± 0.821
ea26 1342 1342/1342 1342 ± 0.00003308 5.844 5.606/6.739 5.846 ± 0.9508
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.0000404 5.442 5.144/6.212 5.497 ± 0.7954
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 ± 0.00002383 5.34 5.095/5.528 5.227 ± 0.5047
5 1342 1342/1342 1342 ± 0.00002383 5.368 4.987/5.689 5.237 ± 0.5643
6 1342 1342/1342 1342 ± 0.00002383 5.247 5.069/5.404 5.154 ± 0.4929
7 1342 1342/1342 1342 ± 0.00002383 5.3 5.163/5.531 5.222 ± 0.4764
8 1342 1342/1342 1342 ± 0.00002383 5.297 5.184/5.485 5.216 ± 0.5068
9 1342 1342/1342 1342 ± 0.00002383 5.61 5.327/5.86 5.492 ± 0.5339
10 1342 1342/1342 1342 ± 0.00002383 5.924 5.607/6.151 5.786 ± 0.568
11 1342 1342/1342 1342 ± 0.00002383 6.192 6.024/6.288 6.071 ± 0.5196
12 1342 1342/1342 1342 ± 0.00002383 6.358 6.109/6.638 6.257 ± 0.5868
13 1342 1342/1342 1342 ± 0.00002383 6.709 6.411/6.841 6.583 ± 0.5468
14 1342 1342/1342 1342 ± 0.0000244 6.717 6.343/6.931 6.564 ± 0.6169
15 1342 1342/1342 1342 ± 0.00002484 6.512 6.236/6.886 6.449 ± 0.6702
16 1342 1342/1342 1342 ± 0.00005661 3.752 3.573/3.877 3.635 ± 0.4952
17 1342 1342/1342 1342 ± 0.00005749 3.867 3.671/4.013 3.779 ± 0.4532
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
Start time
2025-01-11 08:30:26.692
End
2025-01-11 09:20:05.609
Duration
0:49:38.916
Note, WebLog generation is not included in the time.

CASA logs for stage 8