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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.995 5.809/6.732 6.26 ± 0.5773
ea02 1342 1342/1342 1342 ± 0 6.207 5.848/6.937 6.388 ± 0.6432
ea03 1342 1342/1342 1342 ± 0.000006961 5.359 5.177/6.586 5.765 ± 0.6964
ea04 1342 1342/1342 1342 ± 0 5.958 5.419/6.634 6.042 ± 0.6553
ea06 1342 1342/1342 1342 ± 0 6.345 5.625/6.603 6.191 ± 0.6144
ea07 1342 1342/1342 1342 ± 0 5.967 5.406/6.101 5.914 ± 0.4856
ea08 1342 1342/1342 1342 ± 0.000003241 6.191 5.801/6.978 6.439 ± 0.6254
ea09 1342 1342/1342 1342 ± 0 6.013 5.533/6.83 6.146 ± 0.6648
ea10 1342 1342/1342 1342 ± 0.00001212 6.075 5.617/6.706 6.165 ± 0.5763
ea11 1342 1342/1342 1342 ± 0 6.32 5.699/6.945 6.414 ± 0.7046
ea12 1342 1342/1342 1342 ± 0 6.271 5.735/6.855 6.358 ± 0.6566
ea13 1342 1342/1342 1342 ± 0 6.233 5.825/6.761 6.392 ± 0.5403
ea14 1342 1342/1342 1342 ± 0 6.353 5.685/6.72 6.278 ± 0.6945
ea15 1342 1342/1342 1342 ± 0 6.21 5.566/6.642 6.155 ± 0.6983
ea16 1342 1342/1342 1342 ± 0 6.298 5.791/6.729 6.348 ± 0.6315
ea17 1342 1342/1342 1342 ± 0 6.651 6.281/7.56 6.852 ± 0.6596
ea18 1342 1342/1342 1342 ± 0 4.949 4.613/5.295 4.965 ± 0.4227
ea19 1342 1342/1342 1342 ± 0 6.529 5.92/7.025 6.504 ± 0.6288
ea20 1342 1342/1342 1342 ± 0 6.144 5.869/7.076 6.393 ± 0.6255
ea21 1342 1342/1342 1342 ± 0 6.046 5.696/6.694 6.238 ± 0.577
ea22 1342 1342/1342 1342 ± 0 6.553 5.744/6.905 6.391 ± 0.6572
ea23 1342 1342/1342 1342 ± 0 6.266 5.874/6.916 6.455 ± 0.6932
ea24 1342 1342/1342 1342 ± 0 6.03 5.453/6.707 6.031 ± 0.6303
ea25 1342 1342/1342 1342 ± 0 6.177 5.422/6.495 6.069 ± 0.7109
ea26 1342 1342/1342 1342 ± 0 6.245 5.765/7.049 6.374 ± 0.6535
ea27 1342 1342/1342 1342 ± 0 5.963 5.739/6.959 6.267 ± 0.6739
ea28 1342 1342/1342 1342 ± 0 5.973 5.724/6.869 6.288 ± 0.6639
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 5.699 5.596/5.841 5.669 ± 0.3112
4 1342 1342/1342 1342 ± 0.00002463 5.49 5.153/5.603 5.41 ± 0.4182
5 1342 1342/1342 1342 ± 0.00002305 5.759 5.462/5.978 5.693 ± 0.3671
6 1342 1342/1342 1342 ± 0.00002305 5.626 5.468/5.807 5.6 ± 0.3112
7 1342 1342/1342 1342 ± 0.00002305 5.702 5.551/5.871 5.68 ± 0.3059
8 1342 1342/1342 1342 ± 0.00002305 5.649 5.424/5.811 5.624 ± 0.3202
9 1342 1342/1342 1342 ± 0.00002305 5.966 5.802/6.111 5.93 ± 0.3474
10 1342 1342/1342 1342 ± 0.00002305 6.419 6.217/6.592 6.366 ± 0.3561
11 1342 1342/1342 1342 ± 0.00002305 6.653 6.468/6.808 6.588 ± 0.3709
12 1342 1342/1342 1342 ± 0.00002305 6.738 6.625/6.933 6.729 ± 0.3938
13 1342 1342/1342 1342 ± 0.00002305 7.25 6.999/7.4 7.178 ± 0.4189
14 1342 1342/1342 1342 ± 0.00002305 7.466 7.246/7.568 7.369 ± 0.4028
15 1342 1342/1342 1342 ± 0.00002305 7.056 6.881/7.22 6.998 ± 0.3921
16 1342 1342/1342 1342 ± 0.00002305 6.256 6.096/6.488 6.256 ± 0.3948
17 1342 1342/1342 1342 ± 0.00002525 6.242 5.996/6.447 6.172 ± 0.3916
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-05-14 11:38:13.311
End
2025-05-14 12:50:24.704
Duration
1:12:11.393
Note, WebLog generation is not included in the time.

CASA logs for stage 8