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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.419 5.253/6.502 5.728 ± 0.86
ea02 1342 1342/1342 1342 ± 0.000005782 5.589 5.137/6.292 5.691 ± 0.8481
ea03 1342 1342/1342 1342 ± 0 5.617 5.062/6.54 5.709 ± 0.8699
ea04 1342 1342/1342 1342 ± 0.00004738 5.035 4.803/5.898 5.215 ± 0.7831
ea05 1342 1342/1342 1342 ± 0.00004066 5.228 5.041/6.362 5.514 ± 0.9217
ea06 1342 1342/1342 1342 ± 0 5.242 4.749/5.869 5.357 ± 0.7783
ea07 1342 1342/1342 1342 ± 0.00001219 5.007 4.84/6.103 5.336 ± 1.007
ea08 1342 1342/1342 1342 ± 0 5.509 5.298/6.625 5.816 ± 0.8995
ea09 1342 1342/1342 1342 ± 0.00004124 4.914 4.725/6.072 5.21 ± 0.7561
ea10 1342 1342/1342 1342 ± 0.00004209 4.923 4.686/6.071 5.252 ± 0.8277
ea11 1342 1342/1342 1342 ± 0.00004317 5.158 4.593/6.243 5.24 ± 1.029
ea12 1342 1342/1342 1342 ± 0.00003524 5.064 4.811/5.884 5.256 ± 0.777
ea14 1342 1342/1342 1342 ± 0.0000415 5.514 5.276/6.454 5.753 ± 0.7916
ea15 1342 1342/1342 1342 ± 0.00004221 5.571 5.333/6.517 5.792 ± 0.9216
ea16 1342 1342/1342 1342 ± 0 5.577 5.297/6.494 5.753 ± 0.8956
ea17 1342 1342/1342 1342 ± 0.00002889 5.503 5.096/6.497 5.656 ± 1.009
ea18 1342 1342/1342 1342 ± 0 5.531 5.283/6.553 5.79 ± 0.8793
ea19 1342 1342/1342 1342 ± 0.00001848 5.178 4.919/6.214 5.465 ± 0.8629
ea20 1342 1342/1342 1342 ± 0.00003629 5.674 5.413/6.813 5.883 ± 1.017
ea21 1342 1342/1342 1342 ± 0 5.054 4.828/5.802 5.249 ± 0.666
ea22 1342 1342/1342 1342 ± 0 5.38 4.967/6.342 5.534 ± 0.9417
ea23 1342 1342/1342 1342 ± 0.00004174 5.461 5.089/6.293 5.682 ± 0.8272
ea24 1342 1342/1342 1342 ± 0.000005906 5.375 4.982/6.5 5.582 ± 0.8572
ea25 1342 1342/1342 1342 ± 0 5.839 5.313/6.757 6.012 ± 0.9439
ea27 1342 1342/1342 1342 ± 0 5.272 4.978/6.307 5.503 ± 0.7735
ea28 1342 1342/1342 1342 ± 0.00001723 5.567 5.344/6.872 5.885 ± 0.891
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 5.099 4.896/5.208 5.087 ± 0.2587
3 1342 1342/1342 1342 ± 0.00003517 4.007 3.56/4.431 4.041 ± 0.4865
4 1342 1342/1342 1342 ± 0.00002948 3.841 3.726/3.993 3.863 ± 0.2313
5 1342 1342/1342 1342 ± 0.0000235 5.105 4.841/5.334 5.097 ± 0.2947
6 1342 1342/1342 1342 ± 0.0000235 4.993 4.832/5.315 5.06 ± 0.2649
7 1342 1342/1342 1342 ± 0.0000235 5.139 4.912/5.319 5.142 ± 0.2447
8 1342 1342/1342 1342 ± 0.0000235 5.121 4.916/5.34 5.135 ± 0.2812
9 1342 1342/1342 1342 ± 0.0000235 5.462 5.24/5.669 5.461 ± 0.2918
10 1342 1342/1342 1342 ± 0.0000235 6.09 5.832/6.162 6.007 ± 0.2694
11 1342 1342/1342 1342 ± 0.0000235 6.25 6.083/6.402 6.236 ± 0.2678
12 1342 1342/1342 1342 ± 0.0000235 6.466 6.139/6.586 6.403 ± 0.3067
13 1342 1342/1342 1342 ± 0.0000235 6.844 6.609/7.056 6.852 ± 0.3189
14 1342 1342/1342 1342 ± 0.0000235 6.941 6.704/7.145 6.903 ± 0.3369
15 1342 1342/1342 1342 ± 0.0000235 6.765 6.36/6.985 6.675 ± 0.3447
16 1342 1342/1342 1342 ± 0.00006034 5.186 4.985/5.384 5.205 ± 0.2995
17 1342 1342/1342 1342 ± 0.00006072 4.999 4.847/5.234 5.063 ± 0.3058
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-22 07:57:40.061
End
2025-07-22 08:54:22.015
Duration
0:56:41.954
Note, WebLog generation is not included in the time.

CASA logs for stage 8