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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.916 5.843/6.793 6.242 ± 0.6264
ea02 1342 1342/1342 1342 ± 0.00001767 6.244 5.846/6.584 6.343 ± 0.6218
ea03 1342 1342/1342 1342 ± 0.000001146 6.305 5.584/6.942 6.345 ± 0.7427
ea04 1342 1342/1342 1342 ± 0.00002402 5.668 5.362/6.328 5.818 ± 0.5769
ea05 1342 1342/1342 1342 ± 0.00002428 5.808 5.567/6.84 6.114 ± 0.6633
ea06 1342 1342/1342 1342 ± 0 5.971 5.246/6.232 5.922 ± 0.6601
ea07 1342 1342/1342 1342 ± 0 6.258 5.452/6.532 6.162 ± 0.7524
ea08 1342 1342/1342 1342 ± 0 6.473 5.785/7.069 6.523 ± 0.7078
ea09 1342 1342/1342 1342 ± 0.000005206 5.665 5.298/6.544 5.836 ± 0.6302
ea10 1342 1342/1342 1342 ± 0 5.749 5.485/6.449 5.94 ± 0.6299
ea11 1342 1342/1342 1342 ± 0.00003966 5.702 5.232/6.681 5.909 ± 0.7756
ea12 1342 1342/1342 1342 ± 0.00002666 5.632 5.482/6.47 5.935 ± 0.6251
ea14 1342 1342/1342 1342 ± 0 5.915 5.702/6.751 6.155 ± 0.6523
ea15 1342 1342/1342 1342 ± 0.00003425 5.838 5.691/6.721 6.185 ± 0.6884
ea16 1342 1342/1342 1342 ± 0.000009182 6.318 5.884/6.894 6.395 ± 0.7056
ea17 1342 1342/1342 1342 ± 0 6.362 5.91/7.286 6.485 ± 0.7006
ea18 1342 1342/1342 1342 ± 0 6.69 6.005/7.306 6.61 ± 0.7537
ea19 1342 1342/1342 1342 ± 0.00002681 5.922 5.646/6.879 6.241 ± 0.6708
ea20 1342 1342/1342 1342 ± 0 6.276 6.043/7.219 6.57 ± 0.6597
ea21 1342 1342/1342 1342 ± 0 5.529 5.183/6.037 5.67 ± 0.5339
ea22 1342 1342/1342 1342 ± 0 5.992 5.614/6.607 6.033 ± 0.6514
ea23 1342 1342/1342 1342 ± 0 5.856 5.664/6.614 6.233 ± 0.6757
ea24 1342 1342/1342 1342 ± 0 6.246 5.4/6.816 6.113 ± 0.6935
ea25 1342 1342/1342 1342 ± 0 6.577 5.803/7.128 6.586 ± 0.8431
ea27 1342 1342/1342 1342 ± 0.00001408 5.938 5.561/6.731 6.123 ± 0.6569
ea28 1342 1342/1342 1342 ± 0 6.355 5.845/7.12 6.429 ± 0.6847
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 5.618 5.467/5.829 5.625 ± 0.254
3 1342 1342/1342 1342 ± 0.00003947 4.864 4.654/5.422 5.023 ± 0.421
4 1342 1342/1342 1342 ± 0.00003205 5.324 5.151/5.546 5.317 ± 0.3445
5 1342 1342/1342 1342 ± 0.0000235 5.567 5.257/5.814 5.556 ± 0.2904
6 1342 1342/1342 1342 ± 0.0000235 5.596 5.372/5.845 5.587 ± 0.2636
7 1342 1342/1342 1342 ± 0.0000235 5.637 5.4/5.806 5.605 ± 0.2444
8 1342 1342/1342 1342 ± 0.0000235 5.554 5.253/5.731 5.533 ± 0.2939
9 1342 1342/1342 1342 ± 0.0000235 5.852 5.674/6.042 5.851 ± 0.2946
10 1342 1342/1342 1342 ± 0.0000235 6.349 6.22/6.48 6.345 ± 0.265
11 1342 1342/1342 1342 ± 0.0000235 6.603 6.352/6.722 6.58 ± 0.2847
12 1342 1342/1342 1342 ± 0.0000235 6.746 6.545/6.943 6.752 ± 0.3197
13 1342 1342/1342 1342 ± 0.0000235 7.263 6.961/7.487 7.243 ± 0.3413
14 1342 1342/1342 1342 ± 0.0000235 7.291 7.096/7.618 7.366 ± 0.3884
15 1342 1342/1342 1342 ± 0.0000235 7.084 6.797/7.316 7.037 ± 0.3299
16 1342 1342/1342 1342 ± 0.00004636 5.978 5.689/6.329 6.028 ± 0.3942
17 1342 1342/1342 1342 ± 0.00003869 5.996 5.765/6.305 6.016 ± 0.3717
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
Start time
2025-07-31 06:39:30.919
End
2025-07-31 07:56:01.818
Duration
1:16:30.899
Note, WebLog generation is not included in the time.

CASA logs for stage 8