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 6.096 5.849/6.874 6.378 ± 0.642
ea02 1342 1342/1342 1342 ± 0 6.341 5.916/7.077 6.475 ± 0.7184
ea03 1342 1342/1342 1342 ± 0.000009534 5.55 5.231/6.755 5.888 ± 0.7802
ea04 1342 1342/1342 1342 ± 0 6.047 5.499/6.835 6.165 ± 0.7101
ea06 1342 1342/1342 1342 ± 0 6.609 5.693/6.78 6.33 ± 0.6921
ea07 1342 1342/1342 1342 ± 0 6.132 5.467/6.272 6.057 ± 0.5593
ea08 1342 1342/1342 1342 ± 0 6.309 5.84/7.13 6.54 ± 0.6858
ea09 1342 1342/1342 1342 ± 0 6.126 5.635/7.019 6.265 ± 0.7196
ea10 1342 1342/1342 1342 ± 0.0000147 6.209 5.624/6.913 6.301 ± 0.6513
ea11 1342 1342/1342 1342 ± 0 6.529 5.737/7.164 6.535 ± 0.7808
ea12 1342 1342/1342 1342 ± 0 6.382 5.795/7.042 6.5 ± 0.736
ea13 1342 1342/1342 1342 ± 0 6.258 6.01/6.913 6.511 ± 0.5924
ea14 1342 1342/1342 1342 ± 0 6.484 5.712/6.995 6.426 ± 0.7789
ea15 1342 1342/1342 1342 ± 0 6.343 5.622/6.812 6.291 ± 0.7617
ea16 1342 1342/1342 1342 ± 0 6.466 5.884/6.959 6.506 ± 0.7137
ea17 1342 1342/1342 1342 ± 0 6.781 6.298/7.754 6.99 ± 0.7353
ea18 1342 1342/1342 1342 ± 0 5.062 4.689/5.46 5.073 ± 0.4841
ea19 1342 1342/1342 1342 ± 0 6.703 5.963/7.236 6.649 ± 0.7253
ea20 1342 1342/1342 1342 ± 0 6.39 5.834/7.238 6.47 ± 0.721
ea21 1342 1342/1342 1342 ± 0 6.277 5.716/6.845 6.334 ± 0.6637
ea22 1342 1342/1342 1342 ± 0 6.686 5.772/7.1 6.527 ± 0.744
ea23 1342 1342/1342 1342 ± 0 6.425 5.902/7.034 6.57 ± 0.7662
ea24 1342 1342/1342 1342 ± 0 6.221 5.474/6.878 6.158 ± 0.7004
ea25 1342 1342/1342 1342 ± 0 6.36 5.476/6.78 6.257 ± 0.8026
ea26 1342 1342/1342 1342 ± 0 6.461 5.888/7.252 6.523 ± 0.7224
ea27 1342 1342/1342 1342 ± 0 6.178 5.703/7.158 6.389 ± 0.7508
ea28 1342 1342/1342 1342 ± 0 6.181 5.822/7.027 6.424 ± 0.7242
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 5.692 5.592/5.817 5.66 ± 0.3131
4 1342 1342/1342 1342 ± 0.00002365 5.583 5.301/5.656 5.487 ± 0.4114
5 1342 1342/1342 1342 ± 0.00002305 5.737 5.499/5.991 5.703 ± 0.3574
6 1342 1342/1342 1342 ± 0.00002305 5.656 5.559/5.881 5.666 ± 0.3129
7 1342 1342/1342 1342 ± 0.00002305 5.758 5.553/5.916 5.731 ± 0.3011
8 1342 1342/1342 1342 ± 0.00002305 5.727 5.47/5.898 5.7 ± 0.3246
9 1342 1342/1342 1342 ± 0.00002305 6.048 5.911/6.201 6.019 ± 0.3494
10 1342 1342/1342 1342 ± 0.00002305 6.55 6.349/6.699 6.499 ± 0.3605
11 1342 1342/1342 1342 ± 0.00002305 6.816 6.626/6.96 6.74 ± 0.3744
12 1342 1342/1342 1342 ± 0.00002305 6.959 6.763/7.1 6.901 ± 0.3995
13 1342 1342/1342 1342 ± 0.00002305 7.455 7.232/7.612 7.399 ± 0.4185
14 1342 1342/1342 1342 ± 0.00002305 7.725 7.496/7.84 7.622 ± 0.4154
15 1342 1342/1342 1342 ± 0.00002305 7.309 7.123/7.487 7.244 ± 0.3959
16 1342 1342/1342 1342 ± 0.00002305 6.488 6.306/6.751 6.484 ± 0.4165
17 1342 1342/1342 1342 ± 0.00002625 6.46 6.186/6.718 6.396 ± 0.4208
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
datacolumn
residual_data
Start time
2025-05-14 11:38:18.774
End
2025-05-14 12:32:11.490
Duration
0:53:52.716
Note, WebLog generation is not included in the time.

CASA logs for stage 8