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 5.349 4.977/6.148 5.398 ± 0.9314
ea02 1342 1342/1342 1342 ± 0.00003126 5.445 5.178/6.358 5.447 ± 1.025
ea03 1342 1342/1342 1342 ± 0.000009591 5.173 5.053/6.356 5.499 ± 0.8452
ea04 1342 1342/1342 1342 ± 0.00004783 4.969 4.672/5.982 5.091 ± 0.7851
ea05 1342 1342/1342 1342 ± 0.00005023 5.146 4.874/6.34 5.25 ± 1.008
ea06 1342 1342/1342 1342 ± 0.00002406 4.86 4.66/5.895 5.091 ± 0.8006
ea07 1342 1342/1342 1342 ± 0.00003854 5.077 4.906/6.233 5.279 ± 1.021
ea08 1342 1342/1342 1342 ± 0.00002238 5.796 5.405/6.698 5.788 ± 0.9922
ea09 1342 1342/1342 1342 ± 0.00004659 4.904 4.634/5.765 4.992 ± 0.8156
ea10 1342 1342/1342 1342 ± 0.00004648 4.883 4.516/6.003 4.964 ± 0.9053
ea11 1342 1342/1342 1342 ± 0.00005146 4.87 4.357/6.045 5.037 ± 0.9822
ea12 1342 1342/1342 1342 ± 0.00004782 4.93 4.601/5.846 4.988 ± 0.8393
ea14 1342 1342/1342 1342 ± 0.00004878 5.309 4.994/6.387 5.366 ± 0.9373
ea15 1342 1342/1342 1342 ± 0.0000505 5.366 5/6.529 5.417 ± 1.045
ea16 1342 1342/1342 1342 ± 0.0000181 5.562 4.701/6.299 5.458 ± 0.9838
ea17 1342 1342/1342 1342 ± 0.00004479 5.446 5.102/6.444 5.518 ± 1.005
ea18 1342 1342/1342 1342 ± 0.00002093 5.664 5.381/6.643 5.708 ± 1.067
ea19 1342 1342/1342 1342 ± 0.00003807 4.982 4.893/6.24 5.265 ± 0.8839
ea20 1342 1342/1342 1342 ± 0.00002871 5.696 5.445/6.569 5.809 ± 0.9558
ea21 1342 1342/1342 1342 ± 0.000004101 4.994 4.816/5.79 5.198 ± 0.6028
ea22 1342 1342/1342 1342 ± 0.00002807 5.612 5.066/6.417 5.442 ± 1.035
ea23 1342 1342/1342 1342 ± 0.00004711 5.212 5.001/6.273 5.37 ± 0.9401
ea24 1342 1342/1342 1342 ± 0.00000209 5.24 4.977/6.255 5.469 ± 0.8479
ea25 1342 1342/1342 1342 ± 0.000009919 5.44 5.207/6.813 5.819 ± 0.9317
ea27 1342 1342/1342 1342 ± 0.00002288 5.111 4.675/6.214 5.227 ± 0.8527
ea28 1342 1342/1342 1342 ± 0.00001357 5.559 5.487/6.715 5.857 ± 0.8628
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 ± 0.00002348 5.035 4.821/5.212 5.022 ± 0.2818
4 1342 1342/1342 1342 ± 0.00006004 3.48 3.349/3.683 3.507 ± 0.232
5 1342 1342/1342 1342 ± 0.00002462 5.033 4.832/5.45 5.087 ± 0.3705
6 1342 1342/1342 1342 ± 0.00002348 5.109 4.91/5.367 5.128 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002348 5.168 4.943/5.326 5.14 ± 0.2601
8 1342 1342/1342 1342 ± 0.00002348 5.125 4.949/5.411 5.162 ± 0.2909
9 1342 1342/1342 1342 ± 0.00002348 5.468 5.245/5.724 5.473 ± 0.3146
10 1342 1342/1342 1342 ± 0.00002348 6.062 5.806/6.19 6.02 ± 0.2781
11 1342 1342/1342 1342 ± 0.00002348 6.312 6.149/6.447 6.313 ± 0.2795
12 1342 1342/1342 1342 ± 0.00002348 6.494 6.248/6.674 6.475 ± 0.3145
13 1342 1342/1342 1342 ± 0.00002364 6.751 6.307/6.908 6.676 ± 0.3979
14 1342 1342/1342 1342 ± 0.00004435 5.401 4.935/6.008 5.511 ± 0.6771
15 1342 1342/1342 1342 ± 0.00002348 6.531 6.185/6.82 6.494 ± 0.3662
16 1342 1342/1342 1342 ± 0.0000609 3.986 3.842/4.213 4.168 ± 0.4992
17 1342 1342/1342 1342 ± 0.0000609 4.014 3.85/4.27 4.123 ± 0.3792
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
Start time
2025-07-22 13:49:46.443
End
2025-07-22 14:43:25.782
Duration
0:53:39.339
Note, WebLog generation is not included in the time.

CASA logs for stage 8