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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.081 5.815/6.667 6.161 ± 0.7766
ea03 1342 1342/1342 1342 ± 0.00001615 5.678 5.239/6.358 5.754 ± 0.7048
ea04 1342 1342/1342 1342 ± 0 5.599 5.253/6.09 5.695 ± 0.5618
ea05 1342 1342/1342 1342 ± 0 5.931 5.61/6.556 6.079 ± 0.6567
ea06 1342 1342/1342 1342 ± 0 6.005 5.6/6.362 6.052 ± 0.5311
ea07 1342 1342/1342 1342 ± 0 5.95 5.439/6.102 5.923 ± 0.5089
ea08 1342 1342/1342 1342 ± 0.00001501 6.166 5.657/6.501 6.149 ± 0.6507
ea09 1342 1342/1342 1342 ± 0.000006043 5.987 5.484/6.657 6.074 ± 0.7173
ea10 1342 1342/1342 1342 ± 0 5.935 5.569/6.592 6.047 ± 0.5941
ea11 1342 1342/1342 1342 ± 0 6.125 5.45/6.576 6.095 ± 0.6988
ea12 1342 1342/1342 1342 ± 0.00000107 6.031 5.684/6.63 6.187 ± 0.7637
ea13 1342 1342/1342 1342 ± 0 6.02 5.892/6.36 6.125 ± 0.4901
ea14 1342 1342/1342 1342 ± 0 5.991 5.611/6.543 6.102 ± 0.6613
ea15 1342 1342/1342 1342 ± 0.00000107 5.504 5.117/5.886 5.562 ± 0.5842
ea16 1342 1342/1342 1342 ± 0 6.185 5.831/6.653 6.273 ± 0.6615
ea17 1342 1342/1342 1342 ± 0 6.531 6.199/7.298 6.737 ± 0.6395
ea18 1342 1342/1342 1342 ± 0 5.108 4.886/5.601 5.26 ± 0.4874
ea19 1342 1342/1342 1342 ± 0 6.31 5.916/6.879 6.435 ± 0.6515
ea20 1342 1342/1342 1342 ± 0 5.852 5.572/6.391 5.985 ± 0.6277
ea21 1342 1342/1342 1342 ± 0 5.666 5.492/6.249 5.875 ± 0.5201
ea22 1342 1342/1342 1342 ± 0.000009655 5.871 5.489/6.425 5.977 ± 0.6258
ea23 1342 1342/1342 1342 ± 0 6.236 5.842/6.567 6.291 ± 0.6822
ea24 1342 1342/1342 1342 ± 0.00002443 5.996 5.275/6.407 5.731 ± 0.8183
ea25 1342 1342/1342 1342 ± 0 6.268 5.735/6.751 6.309 ± 0.7884
ea26 1342 1342/1342 1342 ± 0 6.334 5.885/6.995 6.483 ± 0.6436
ea27 1342 1342/1342 1342 ± 0 5.807 5.516/6.595 6.004 ± 0.6516
ea28 1342 1342/1342 1342 ± 0 6.005 5.677/6.642 6.177 ± 0.6419
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 5.719 5.456/5.936 5.693 ± 0.2874
3 1342 1342/1342 1342 ± 0.00003524 5.011 4.782/5.203 4.944 ± 0.5218
4 1342 1342/1342 1342 ± 0.00002305 5.493 5.25/5.79 5.499 ± 0.3906
5 1342 1342/1342 1342 ± 0.00002305 5.671 5.393/5.858 5.637 ± 0.3354
6 1342 1342/1342 1342 ± 0.00002305 5.589 5.385/5.773 5.557 ± 0.2611
7 1342 1342/1342 1342 ± 0.00002305 5.594 5.391/5.782 5.581 ± 0.2733
8 1342 1342/1342 1342 ± 0.00002305 5.481 5.277/5.675 5.49 ± 0.3092
9 1342 1342/1342 1342 ± 0.00002305 5.799 5.553/5.985 5.76 ± 0.3064
10 1342 1342/1342 1342 ± 0.00002305 6.235 6.041/6.39 6.155 ± 0.3099
11 1342 1342/1342 1342 ± 0.00002305 6.4 6.274/6.566 6.368 ± 0.3033
12 1342 1342/1342 1342 ± 0.00002305 6.564 6.331/6.67 6.513 ± 0.3609
13 1342 1342/1342 1342 ± 0.00002305 6.996 6.747/7.309 7.004 ± 0.3863
14 1342 1342/1342 1342 ± 0.00002305 7.249 7.049/7.54 7.229 ± 0.3892
15 1342 1342/1342 1342 ± 0.00002305 6.884 6.692/7.222 6.919 ± 0.3619
16 1342 1342/1342 1342 ± 0.00002305 6.268 5.932/6.59 6.272 ± 0.3795
17 1342 1342/1342 1342 ± 0.00002305 6.125 5.984/6.471 6.218 ± 0.3675
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-04-23 17:11:02.641
End
2025-04-23 18:31:03.132
Duration
1:20:00.491
Note, WebLog generation is not included in the time.

CASA logs for stage 8