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 6.122 5.848/6.629 6.192 ± 0.7322
ea03 1342 1342/1342 1342 ± 0.00001246 5.619 5.267/6.402 5.785 ± 0.6969
ea04 1342 1342/1342 1342 ± 0 5.626 5.266/6.144 5.728 ± 0.5899
ea05 1342 1342/1342 1342 ± 0 5.935 5.662/6.618 6.143 ± 0.6557
ea06 1342 1342/1342 1342 ± 0 6.01 5.628/6.405 6.084 ± 0.5242
ea07 1342 1342/1342 1342 ± 0 5.97 5.5/6.194 5.968 ± 0.5207
ea08 1342 1342/1342 1342 ± 0.00001203 6.062 5.662/6.54 6.15 ± 0.6415
ea09 1342 1342/1342 1342 ± 0.000008126 6.008 5.536/6.599 6.091 ± 0.6978
ea10 1342 1342/1342 1342 ± 0 6.013 5.621/6.642 6.098 ± 0.5782
ea11 1342 1342/1342 1342 ± 0.00001456 6.125 5.463/6.601 6.109 ± 0.7002
ea12 1342 1342/1342 1342 ± 0 6.049 5.69/6.683 6.214 ± 0.763
ea13 1342 1342/1342 1342 ± 0 5.999 5.772/6.403 6.134 ± 0.4901
ea14 1342 1342/1342 1342 ± 0 6.099 5.627/6.574 6.166 ± 0.6468
ea15 1342 1342/1342 1342 ± 0 5.543 5.166/5.94 5.597 ± 0.5746
ea16 1342 1342/1342 1342 ± 0 6.199 5.846/6.755 6.314 ± 0.6928
ea17 1342 1342/1342 1342 ± 0 6.552 6.197/7.316 6.749 ± 0.6444
ea18 1342 1342/1342 1342 ± 0 5.131 4.894/5.601 5.279 ± 0.4695
ea19 1342 1342/1342 1342 ± 0 6.371 5.954/6.907 6.477 ± 0.6571
ea20 1342 1342/1342 1342 ± 0 5.897 5.611/6.466 6.033 ± 0.6242
ea21 1342 1342/1342 1342 ± 0 5.75 5.554/6.323 5.956 ± 0.5334
ea22 1342 1342/1342 1342 ± 0 5.9 5.527/6.422 6.002 ± 0.6158
ea23 1342 1342/1342 1342 ± 0 6.26 5.869/6.63 6.329 ± 0.6746
ea24 1342 1342/1342 1342 ± 0.00002123 6.069 5.403/6.547 5.877 ± 0.7691
ea25 1342 1342/1342 1342 ± 0 6.302 5.748/6.928 6.371 ± 0.7886
ea26 1342 1342/1342 1342 ± 0.000005912 6.408 5.941/7.072 6.467 ± 0.7196
ea27 1342 1342/1342 1342 ± 0 5.905 5.558/6.639 6.063 ± 0.6398
ea28 1342 1342/1342 1342 ± 0 5.982 5.699/6.682 6.198 ± 0.652
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 5.725 5.495/5.943 5.722 ± 0.2707
3 1342 1342/1342 1342 ± 0.00003362 5.125 4.934/5.264 5.061 ± 0.4816
4 1342 1342/1342 1342 ± 0.00002305 5.523 5.258/5.794 5.532 ± 0.3746
5 1342 1342/1342 1342 ± 0.00002305 5.691 5.42/5.891 5.663 ± 0.3243
6 1342 1342/1342 1342 ± 0.00002305 5.614 5.442/5.785 5.582 ± 0.2622
7 1342 1342/1342 1342 ± 0.00002305 5.614 5.419/5.812 5.615 ± 0.2686
8 1342 1342/1342 1342 ± 0.00002305 5.528 5.304/5.697 5.527 ± 0.3094
9 1342 1342/1342 1342 ± 0.00002305 5.819 5.669/6.026 5.801 ± 0.3057
10 1342 1342/1342 1342 ± 0.00002305 6.268 6.104/6.416 6.197 ± 0.3109
11 1342 1342/1342 1342 ± 0.00002305 6.445 6.331/6.611 6.418 ± 0.2999
12 1342 1342/1342 1342 ± 0.00002305 6.624 6.378/6.73 6.562 ± 0.364
13 1342 1342/1342 1342 ± 0.00002305 7.028 6.829/7.346 7.057 ± 0.3849
14 1342 1342/1342 1342 ± 0.00002305 7.281 7.097/7.558 7.281 ± 0.3889
15 1342 1342/1342 1342 ± 0.00002305 6.9 6.735/7.237 6.952 ± 0.3599
16 1342 1342/1342 1342 ± 0.00002305 6.224 6.046/6.595 6.287 ± 0.388
17 1342 1342/1342 1342 ± 0.00002305 6.233 5.94/6.476 6.227 ± 0.3719
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
Start time
2025-04-23 12:11:22.346
End
2025-04-23 13:12:51.251
Duration
1:01:28.905
Note, WebLog generation is not included in the time.

CASA logs for stage 8