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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.892 5.659/6.645 6.188 ± 0.6142
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.84 5.306/6.616 5.984 ± 0.6717
ea06 1342 1342/1342 1342 ± 0 6.137 5.541/6.488 6.06 ± 0.5879
ea07 1342 1342/1342 1342 ± 0 6.178 5.568/6.473 6.135 ± 0.6262
ea08 1342 1342/1342 1342 ± 0.00002656 6 5.758/6.752 6.277 ± 0.6386
ea09 1342 1342/1342 1342 ± 0.00001135 5.964 5.453/6.736 6.088 ± 0.6728
ea10 1342 1342/1342 1342 ± 0.00001174 6.053 5.553/6.825 6.211 ± 0.6399
ea11 1342 1342/1342 1342 ± 0 6.052 5.452/6.675 6.134 ± 0.6974
ea12 1342 1342/1342 1342 ± 0 6.242 5.645/6.741 6.272 ± 0.6781
ea13 1342 1342/1342 1342 ± 0.00001706 5.929 5.847/6.474 6.182 ± 0.5055
ea14 1342 1342/1342 1342 ± 0 6.535 5.853/6.912 6.491 ± 0.6995
ea15 1342 1342/1342 1342 ± 0 5.751 5.167/6.131 5.684 ± 0.6532
ea16 1342 1342/1342 1342 ± 0 6.457 5.79/6.908 6.473 ± 0.767
ea17 1342 1342/1342 1342 ± 0 6.63 5.964/7.38 6.67 ± 0.7112
ea18 1342 1342/1342 1342 ± 0 5.106 4.717/5.541 5.123 ± 0.539
ea19 1342 1342/1342 1342 ± 0 6.572 5.862/7.124 6.517 ± 0.7322
ea20 1342 1342/1342 1342 ± 0 6.062 5.801/6.949 6.333 ± 0.6186
ea21 1342 1342/1342 1342 ± 0 6.172 5.597/6.635 6.188 ± 0.631
ea22 1342 1342/1342 1342 ± 0 6.253 5.671/6.729 6.197 ± 0.6505
ea23 1342 1342/1342 1342 ± 0 6.157 5.743/6.853 6.329 ± 0.7083
ea24 1342 1342/1342 1342 ± 0 5.577 5.03/6.25 5.594 ± 0.6385
ea26 1342 1342/1342 1342 ± 0 6.237 5.823/7.044 6.381 ± 0.6886
ea27 1342 1342/1342 1342 ± 0.00001426 6.073 5.647/7.092 6.277 ± 0.7508
ea28 1342 1342/1342 1342 ± 0.000009848 6.076 5.804/7.008 6.431 ± 0.7392
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 ± 0.00002439 5.584 5.492/5.781 5.577 ± 0.3137
4 1342 1342/1342 1342 ± 0.00003153 5.31 5.128/5.468 5.165 ± 0.4294
5 1342 1342/1342 1342 ± 0.00002439 5.66 5.35/5.78 5.552 ± 0.3406
6 1342 1342/1342 1342 ± 0.00002439 5.589 5.366/5.732 5.522 ± 0.2825
7 1342 1342/1342 1342 ± 0.00002439 5.617 5.479/5.802 5.586 ± 0.2857
8 1342 1342/1342 1342 ± 0.00002439 5.553 5.397/5.802 5.525 ± 0.3266
9 1342 1342/1342 1342 ± 0.00002439 5.923 5.704/6.045 5.823 ± 0.3277
10 1342 1342/1342 1342 ± 0.00002439 6.368 6.246/6.475 6.281 ± 0.3379
11 1342 1342/1342 1342 ± 0.00002439 6.579 6.406/6.761 6.522 ± 0.3465
12 1342 1342/1342 1342 ± 0.00002439 6.732 6.438/6.932 6.681 ± 0.3824
13 1342 1342/1342 1342 ± 0.00002439 7.15 6.957/7.44 7.15 ± 0.4143
14 1342 1342/1342 1342 ± 0.00002439 7.374 7.194/7.645 7.358 ± 0.4031
15 1342 1342/1342 1342 ± 0.00002439 7.029 6.82/7.367 7 ± 0.4104
16 1342 1342/1342 1342 ± 0.00002439 6.25 6.043/6.445 6.248 ± 0.3876
17 1342 1342/1342 1342 ± 0.00003761 6.098 5.918/6.397 6.16 ± 0.3822
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-04-18 15:12:55.691
End
2025-04-18 16:19:51.367
Duration
1:06:55.676
Note, WebLog generation is not included in the time.

CASA logs for stage 8