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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.123 5.804/6.812 6.252 ± 0.769
ea03 1342 1342/1342 1342 ± 0.000003077 5.573 5/6.503 5.696 ± 0.8702
ea04 1342 1342/1342 1342 ± 0 5.438 5.206/6.395 5.834 ± 0.7955
ea05 1342 1342/1342 1342 ± 0 6.196 5.604/7.001 6.303 ± 0.7492
ea06 1342 1342/1342 1342 ± 0 6.127 5.499/6.594 6.079 ± 0.767
ea07 1342 1342/1342 1342 ± 0 6.039 5.413/6.457 5.976 ± 0.8076
ea08 1342 1342/1342 1342 ± 0.000001163 5.852 5.347/6.643 5.997 ± 0.8434
ea09 1342 1342/1342 1342 ± 0 6.151 5.526/6.954 6.141 ± 0.8512
ea10 1342 1342/1342 1342 ± 0 6.408 5.571/7.087 6.345 ± 0.7495
ea11 1342 1342/1342 1342 ± 0 6.176 5.302/6.714 6.039 ± 0.9243
ea12 1342 1342/1342 1342 ± 0 6.215 5.602/6.859 6.257 ± 0.9394
ea13 1342 1342/1342 1342 ± 0 5.617 5.528/6.187 5.745 ± 0.6735
ea14 1342 1342/1342 1342 ± 0 6.201 5.619/6.904 6.251 ± 0.8973
ea15 1342 1342/1342 1342 ± 0 5.82 5.355/6.412 5.859 ± 0.7799
ea16 1342 1342/1342 1342 ± 0 6.259 5.715/6.931 6.299 ± 0.9293
ea17 1342 1342/1342 1342 ± 0 6.56 6.091/7.538 6.761 ± 0.9213
ea18 1342 1342/1342 1342 ± 0 5.18 4.708/5.555 5.188 ± 0.5106
ea19 1342 1342/1342 1342 ± 0 6.292 5.722/6.995 6.363 ± 0.9094
ea20 1342 1342/1342 1342 ± 0 5.862 5.44/6.568 5.968 ± 0.8069
ea21 1342 1342/1342 1342 ± 0 5.277 4.987/5.865 5.378 ± 0.62
ea22 1342 1342/1342 1342 ± 0 6.006 5.347/6.606 5.999 ± 0.8423
ea23 1342 1342/1342 1342 ± 0 6.325 5.664/6.821 6.301 ± 0.7777
ea24 1342 1342/1342 1342 ± 0.00002151 5.732 5.251/6.481 5.677 ± 0.9521
ea25 1342 1342/1342 1342 ± 0 6.391 5.627/7.114 6.366 ± 1.005
ea26 1342 1342/1342 1342 ± 0 6.657 5.922/7.439 6.57 ± 0.9122
ea27 1342 1342/1342 1342 ± 0 6.059 5.453/6.945 6.175 ± 0.7894
ea28 1342 1342/1342 1342 ± 0 6.136 5.756/6.946 6.321 ± 0.8487
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 5.513 5.233/5.719 5.469 ± 0.3194
3 1342 1342/1342 1342 ± 0.00002873 5.096 4.925/5.281 5.054 ± 0.4804
4 1342 1342/1342 1342 ± 0.00002568 4.336 4.26/4.415 4.375 ± 0.2829
5 1342 1342/1342 1342 ± 0.00002305 5.597 5.287/5.703 5.506 ± 0.3343
6 1342 1342/1342 1342 ± 0.00002305 5.509 5.302/5.711 5.472 ± 0.3029
7 1342 1342/1342 1342 ± 0.00002305 5.565 5.376/5.722 5.533 ± 0.3008
8 1342 1342/1342 1342 ± 0.00002305 5.491 5.244/5.703 5.474 ± 0.3368
9 1342 1342/1342 1342 ± 0.00002305 5.847 5.589/6.015 5.789 ± 0.3351
10 1342 1342/1342 1342 ± 0.00002305 6.478 6.186/6.578 6.352 ± 0.3437
11 1342 1342/1342 1342 ± 0.00002305 6.696 6.45/6.835 6.597 ± 0.3709
12 1342 1342/1342 1342 ± 0.00002305 6.82 6.534/6.996 6.745 ± 0.4406
13 1342 1342/1342 1342 ± 0.00002305 7.27 7.038/7.641 7.26 ± 0.4726
14 1342 1342/1342 1342 ± 0.00002305 7.509 7.162/7.761 7.433 ± 0.4788
15 1342 1342/1342 1342 ± 0.00002306 7.107 6.78/7.387 7.047 ± 0.4409
16 1342 1342/1342 1342 ± 0.00002305 6.423 6.142/6.76 6.414 ± 0.4457
17 1342 1342/1342 1342 ± 0.00002305 6.381 6.15/6.645 6.347 ± 0.4568
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-06-11 08:32:31.481
End
2025-06-11 09:29:47.809
Duration
0:57:16.328
Note, WebLog generation is not included in the time.

CASA logs for stage 8