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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.757 5.5/6.486 6.021 ± 0.5766
ea02 1342 1342/1342 1342 ± 0.00003076 6.146 5.355/6.612 6.078 ± 0.7427
ea04 1342 1342/1342 1342 ± 0.0000172 5.614 5.303/6.159 5.789 ± 0.5564
ea05 1342 1342/1342 1342 ± 0.00001011 5.785 5.457/6.578 5.992 ± 0.6517
ea06 1342 1342/1342 1342 ± 0.00002011 4.978 4.877/5.724 5.303 ± 0.505
ea07 1342 1342/1342 1342 ± 0.00004118 5.903 5.627/6.522 6.228 ± 0.6591
ea08 1342 1342/1342 1342 ± 0.00003718 6.171 5.655/6.862 6.303 ± 0.7527
ea09 1342 1342/1342 1342 ± 0.000007358 5.978 5.428/6.639 6.052 ± 0.6419
ea10 1342 1342/1342 1342 ± 0.00004404 6.023 5.604/7.097 6.334 ± 0.7624
ea11 1342 1342/1342 1342 ± 0.00004336 5.918 5.589/6.939 6.306 ± 0.7635
ea12 1342 1342/1342 1342 ± 0.00001959 5.97 5.618/6.744 6.188 ± 0.6905
ea13 1342 1342/1342 1342 ± 0.000003427 6.371 5.529/6.459 6.226 ± 0.6723
ea14 1342 1342/1342 1342 ± 0.00003619 5.689 5.26/6.419 5.88 ± 0.6729
ea15 1342 1342/1342 1342 ± 0.00001564 5.856 5.423/6.487 6.019 ± 0.6629
ea16 1342 1342/1342 1342 ± 0.00001102 6.056 5.434/6.815 6.184 ± 0.8815
ea17 1342 1342/1342 1342 ± 0.00004519 6.077 5.925/7.142 6.506 ± 0.7343
ea18 1342 1342/1342 1342 ± 0.00004418 5.257 5.083/6 5.539 ± 0.5333
ea19 1342 1342/1342 1342 ± 0.00002249 6.099 5.672/6.921 6.331 ± 0.695
ea20 1342 1342/1342 1342 ± 0.00002696 6.06 5.835/7.207 6.498 ± 0.734
ea21 1342 1342/1342 1342 ± 0.00002582 5.601 5.397/6.518 5.952 ± 0.6963
ea22 1342 1342/1342 1342 ± 0.00001309 5.953 5.174/6.344 5.843 ± 0.7739
ea23 1342 1342/1342 1342 ± 0.00004105 5.84 5.594/6.7 6.217 ± 0.7064
ea25 1342 1342/1342 1342 ± 0.00004354 5.83 5.684/6.641 6.186 ± 0.6632
ea26 1342 1342/1342 1342 ± 0.000009441 6.244 5.764/6.921 6.351 ± 0.6172
ea27 1342 1342/1342 1342 ± 0.00004412 5.767 5.693/6.801 6.174 ± 0.6561
ea28 1342 1342/1342 1342 ± 0.00004473 5.885 5.682/6.784 6.258 ± 0.6591
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 ± 0.0000235 5.498 5.228/5.683 5.454 ± 0.3419
5 1342 1342/1342 1342 ± 0.000032 5.549 5.393/5.702 5.579 ± 0.2454
6 1342 1342/1342 1342 ± 0.00002381 5.492 5.347/5.667 5.455 ± 0.2561
7 1342 1342/1342 1342 ± 0.0000235 5.509 5.323/5.65 5.486 ± 0.2731
8 1342 1342/1342 1342 ± 0.0000235 5.428 5.215/5.661 5.447 ± 0.3172
9 1342 1342/1342 1342 ± 0.00002697 5.646 5.398/5.833 5.6 ± 0.3039
10 1342 1342/1342 1342 ± 0.0000235 6.284 6.09/6.491 6.262 ± 0.3073
11 1342 1342/1342 1342 ± 0.0000235 6.482 6.336/6.706 6.503 ± 0.32
12 1342 1342/1342 1342 ± 0.00002395 6.692 6.476/6.866 6.655 ± 0.3588
13 1342 1342/1342 1342 ± 0.0000235 7.167 6.963/7.343 7.106 ± 0.3509
14 1342 1342/1342 1342 ± 0.0000235 7.423 7.092/7.516 7.288 ± 0.3703
15 1342 1342/1342 1342 ± 0.00002358 6.865 6.687/7.067 6.808 ± 0.3885
16 1342 1342/1342 1342 ± 0.0000608 5.59 5.438/5.836 5.602 ± 0.3003
17 1342 1342/1342 1342 ± 0.00006087 5.778 5.629/6.067 5.804 ± 0.3291
output_dir
 
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-07 11:23:09.288
End
2025-01-07 12:25:52.572
Duration
1:02:43.284
Note, WebLog generation is not included in the time.

CASA logs for stage 8