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 5.824 5.609/6.247 5.962 ± 0.448
ea02 1342 1342/1342 1342 ± 0 5.824 5.442/6.375 5.918 ± 0.5401
ea03 1342 1342/1342 1342 ± 0.00003538 5.05 4.957/6.104 5.426 ± 0.5691
ea04 1342 1342/1342 1342 ± 0.000005116 5.159 4.852/5.303 5.145 ± 0.3118
ea06 1342 1342/1342 1342 ± 0 5.669 5.415/6.073 5.769 ± 0.4419
ea07 1342 1342/1342 1342 ± 0 5.407 5.144/5.662 5.422 ± 0.3452
ea08 1342 1342/1342 1342 ± 0.00003278 6.009 5.748/6.447 6.119 ± 0.4846
ea09 1342 1342/1342 1342 ± 0.000006027 5.701 5.384/6.339 5.846 ± 0.5143
ea10 1342 1342/1342 1342 ± 0 5.52 5.26/6.073 5.662 ± 0.4055
ea11 1342 1342/1342 1342 ± 0 5.747 5.613/6.361 5.959 ± 0.5251
ea12 1342 1342/1342 1342 ± 0 5.632 5.474/6.306 5.875 ± 0.514
ea13 1342 1342/1342 1342 ± 0.00001715 6.005 5.534/6.297 5.968 ± 0.5206
ea14 1342 1342/1342 1342 ± 0 5.624 5.368/6.214 5.806 ± 0.471
ea15 1342 1342/1342 1342 ± 0 5.496 5.275/6.161 5.705 ± 0.5249
ea16 1342 1342/1342 1342 ± 0 5.7 5.421/6.04 5.751 ± 0.4284
ea17 1342 1342/1342 1342 ± 0 6.248 6.042/6.83 6.415 ± 0.4571
ea18 1342 1342/1342 1342 ± 0 4.538 4.325/4.784 4.567 ± 0.3032
ea19 1342 1342/1342 1342 ± 0 5.745 5.665/6.468 6.029 ± 0.4746
ea20 1342 1342/1342 1342 ± 0 5.712 5.448/6.467 5.887 ± 0.5097
ea21 1342 1342/1342 1342 ± 0 5.653 5.378/6.065 5.756 ± 0.4124
ea22 1342 1342/1342 1342 ± 0 5.833 5.611/6.293 5.887 ± 0.446
ea23 1342 1342/1342 1342 ± 0 5.771 5.612/6.365 5.988 ± 0.5566
ea24 1342 1342/1342 1342 ± 0 5.735 5.265/6.263 5.717 ± 0.4967
ea25 1342 1342/1342 1342 ± 0 5.351 5.092/5.576 5.453 ± 0.4241
ea26 1342 1342/1342 1342 ± 0 5.699 5.622/6.519 5.968 ± 0.4613
ea27 1342 1342/1342 1342 ± 0 5.531 5.388/6.323 5.785 ± 0.5158
ea28 1342 1342/1342 1342 ± 0.000004178 5.586 5.474/6.324 5.86 ± 0.5349
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 5.652 5.512/5.841 5.599 ± 0.3397
4 1342 1342/1342 1342 ± 0.00002553 5.404 5.194/5.639 5.417 ± 0.4942
5 1342 1342/1342 1342 ± 0.00002305 5.514 5.289/5.729 5.464 ± 0.3797
6 1342 1342/1342 1342 ± 0.00002305 5.394 5.276/5.604 5.368 ± 0.3171
7 1342 1342/1342 1342 ± 0.00002305 5.376 5.207/5.563 5.353 ± 0.3182
8 1342 1342/1342 1342 ± 0.00002305 5.341 5.072/5.528 5.28 ± 0.3353
9 1342 1342/1342 1342 ± 0.00002305 5.561 5.434/5.709 5.512 ± 0.3587
10 1342 1342/1342 1342 ± 0.00002305 5.955 5.708/6.131 5.864 ± 0.3823
11 1342 1342/1342 1342 ± 0.00002305 6.162 5.999/6.28 6.04 ± 0.3875
12 1342 1342/1342 1342 ± 0.00002305 6.268 6.045/6.363 6.144 ± 0.4268
13 1342 1342/1342 1342 ± 0.00002305 6.571 6.395/6.74 6.487 ± 0.4281
14 1342 1342/1342 1342 ± 0.00002305 6.708 6.465/6.862 6.615 ± 0.4103
15 1342 1342/1342 1342 ± 0.00002305 6.426 6.219/6.587 6.333 ± 0.4234
16 1342 1342/1342 1342 ± 0.00003397 5.494 5.265/5.731 5.511 ± 0.375
17 1342 1342/1342 1342 ± 0.0000359 5.424 5.155/5.703 5.406 ± 0.3598
statwtmode
VLASS-SE
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-05-14 14:53:08.581
End
2025-05-14 15:52:20.550
Duration
0:59:11.969
Note, WebLog generation is not included in the time.

CASA logs for stage 8