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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.451 5.79/6.779 6.34 ± 0.715
ea03 1342 1342/1342 1342 ± 0.00003433 5.728 5.291/6.617 5.899 ± 0.7841
ea04 1342 1342/1342 1342 ± 0 5.642 5.232/6.229 5.816 ± 0.653
ea05 1342 1342/1342 1342 ± 0 5.959 5.687/6.957 6.22 ± 0.7534
ea06 1342 1342/1342 1342 ± 0 6.4 5.557/6.556 6.146 ± 0.649
ea07 1342 1342/1342 1342 ± 0 5.932 5.384/6.252 5.964 ± 0.6366
ea08 1342 1342/1342 1342 ± 0.00001683 6.171 5.589/6.785 6.295 ± 0.7366
ea09 1342 1342/1342 1342 ± 0 5.982 5.515/6.746 6.179 ± 0.7487
ea10 1342 1342/1342 1342 ± 0 6.011 5.626/6.911 6.197 ± 0.6951
ea11 1342 1342/1342 1342 ± 0 6.292 5.379/6.83 6.218 ± 0.837
ea12 1342 1342/1342 1342 ± 0 6.48 5.683/6.846 6.42 ± 0.7568
ea13 1342 1342/1342 1342 ± 0.00001006 5.965 5.866/6.488 6.175 ± 0.5214
ea14 1342 1342/1342 1342 ± 0 6.071 5.667/6.88 6.315 ± 0.7055
ea15 1342 1342/1342 1342 ± 0 5.441 4.802/5.742 5.32 ± 0.6091
ea16 1342 1342/1342 1342 ± 0 6.171 5.735/6.801 6.328 ± 0.7638
ea17 1342 1342/1342 1342 ± 0 6.472 6.001/7.526 6.652 ± 0.7764
ea18 1342 1342/1342 1342 ± 0 5.177 4.771/5.619 5.221 ± 0.536
ea19 1342 1342/1342 1342 ± 0 6.279 5.932/7.128 6.508 ± 0.7669
ea20 1342 1342/1342 1342 ± 0 5.966 5.678/6.925 6.186 ± 0.7401
ea21 1342 1342/1342 1342 ± 0 5.708 5.493/6.495 5.91 ± 0.6294
ea22 1342 1342/1342 1342 ± 0 6.234 5.367/6.637 6.022 ± 0.726
ea23 1342 1342/1342 1342 ± 0 6.128 5.748/6.837 6.336 ± 0.7643
ea24 1342 1342/1342 1342 ± 0 6.17 5.211/6.539 5.896 ± 0.6329
ea25 1342 1342/1342 1342 ± 0 6.278 5.636/6.749 6.352 ± 0.7726
ea26 1342 1342/1342 1342 ± 0 6.3 5.781/7.006 6.469 ± 0.8069
ea27 1342 1342/1342 1342 ± 0 5.971 5.491/7.017 6.156 ± 0.7806
ea28 1342 1342/1342 1342 ± 0.000001526 6.094 5.744/6.901 6.316 ± 0.7603
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 5.614 5.441/5.767 5.605 ± 0.3183
3 1342 1342/1342 1342 ± 0.00002348 5.267 5.082/5.393 5.245 ± 0.3008
4 1342 1342/1342 1342 ± 0.00002821 5.279 5.092/5.543 5.263 ± 0.3787
5 1342 1342/1342 1342 ± 0.00002305 5.628 5.357/5.739 5.523 ± 0.3466
6 1342 1342/1342 1342 ± 0.00002305 5.511 5.292/5.699 5.482 ± 0.289
7 1342 1342/1342 1342 ± 0.00002305 5.626 5.378/5.775 5.558 ± 0.3082
8 1342 1342/1342 1342 ± 0.00002305 5.548 5.312/5.775 5.521 ± 0.3439
9 1342 1342/1342 1342 ± 0.00002305 5.961 5.676/6.104 5.848 ± 0.3398
10 1342 1342/1342 1342 ± 0.00002305 6.468 6.198/6.525 6.335 ± 0.3516
11 1342 1342/1342 1342 ± 0.00002305 6.639 6.488/6.829 6.58 ± 0.3649
12 1342 1342/1342 1342 ± 0.00002305 6.849 6.51/6.927 6.731 ± 0.4169
13 1342 1342/1342 1342 ± 0.00002305 7.303 6.934/7.609 7.242 ± 0.4417
14 1342 1342/1342 1342 ± 0.00002305 7.568 7.219/7.77 7.446 ± 0.4362
15 1342 1342/1342 1342 ± 0.00002305 7.134 6.84/7.318 7.033 ± 0.4115
16 1342 1342/1342 1342 ± 0.00002938 6.364 5.96/6.52 6.291 ± 0.3959
17 1342 1342/1342 1342 ± 0.0000245 6.231 5.97/6.529 6.233 ± 0.3824
statwtmode
VLASS-SE
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-06-15 22:02:32.073
End
2025-06-15 22:34:09.693
Duration
0:31:37.619
Note, WebLog generation is not included in the time.

CASA logs for stage 8