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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 6.011 5.571/6.458 6.087 ± 0.6618
ea02 1342 1342/1342 1342 ± 0 6.331 5.587/6.494 6.225 ± 0.6312
ea03 1342 1342/1342 1342 ± 0 5.934 5.452/6.724 6.115 ± 0.7726
ea04 1342 1342/1342 1342 ± 0.000008176 5.464 5.012/5.936 5.483 ± 0.5937
ea05 1342 1342/1342 1342 ± 0.000001208 5.932 5.417/6.689 5.979 ± 0.7392
ea06 1342 1342/1342 1342 ± 0 6.069 5.122/6.207 5.773 ± 0.6606
ea07 1342 1342/1342 1342 ± 0 5.873 5.276/6.319 5.909 ± 0.7186
ea08 1342 1342/1342 1342 ± 0 6.441 5.775/6.851 6.417 ± 0.6732
ea09 1342 1342/1342 1342 ± 0 5.782 5.228/6.547 5.875 ± 0.686
ea10 1342 1342/1342 1342 ± 0.000001711 5.499 4.975/5.976 5.502 ± 0.6273
ea11 1342 1342/1342 1342 ± 0.000004186 5.435 5.066/6.256 5.58 ± 0.6965
ea12 1342 1342/1342 1342 ± 0 5.677 5.312/6.295 5.784 ± 0.6522
ea13 1342 1342/1342 1342 ± 0.0000137 5.936 5.575/6.388 5.956 ± 0.7046
ea14 1342 1342/1342 1342 ± 0.000002094 6.074 5.587/6.565 6.097 ± 0.6919
ea15 1342 1342/1342 1342 ± 0.0000126 6.253 5.641/6.712 6.162 ± 0.819
ea16 1342 1342/1342 1342 ± 0 6.179 5.752/6.819 6.316 ± 0.7423
ea17 1342 1342/1342 1342 ± 0 6.224 5.8/6.884 6.335 ± 0.766
ea18 1342 1342/1342 1342 ± 0 6.505 5.922/7.154 6.477 ± 0.6942
ea19 1342 1342/1342 1342 ± 0 5.934 5.481/6.5 6.014 ± 0.7001
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.437 5.082/5.886 5.534 ± 0.506
ea22 1342 1342/1342 1342 ± 0 6.367 5.642/6.744 6.193 ± 0.6708
ea23 1342 1342/1342 1342 ± 0.000002705 5.983 5.446/6.329 5.967 ± 0.7439
ea24 1342 1342/1342 1342 ± 0.00001325 6.262 5.321/6.709 5.976 ± 0.8366
ea25 1342 1342/1342 1342 ± 0 6.55 5.77/7.066 6.54 ± 0.8107
ea27 1342 1342/1342 1342 ± 0 5.842 5.269/6.506 5.912 ± 0.7172
ea28 1342 1342/1342 1342 ± 0.00001071 6.148 5.728/6.8 6.247 ± 0.7506
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 ± 0.00002349 5.401 5.263/5.656 5.458 ± 0.2605
3 1342 1342/1342 1342 ± 0.00003352 4.764 4.529/5.098 4.837 ± 0.5297
4 1342 1342/1342 1342 ± 0.00002377 5.278 5.058/5.537 5.301 ± 0.3566
5 1342 1342/1342 1342 ± 0.00002349 5.476 5.237/5.767 5.514 ± 0.3204
6 1342 1342/1342 1342 ± 0.00002349 5.361 5.1/5.54 5.33 ± 0.3066
7 1342 1342/1342 1342 ± 0.00002349 5.518 5.423/5.708 5.507 ± 0.2573
8 1342 1342/1342 1342 ± 0.00002349 5.466 5.305/5.65 5.438 ± 0.2763
9 1342 1342/1342 1342 ± 0.00002349 5.758 5.616/5.948 5.755 ± 0.2894
10 1342 1342/1342 1342 ± 0.00002349 6.271 6.08/6.338 6.203 ± 0.2613
11 1342 1342/1342 1342 ± 0.00002349 6.464 6.235/6.613 6.426 ± 0.2879
12 1342 1342/1342 1342 ± 0.00002349 6.606 6.367/6.792 6.567 ± 0.3355
13 1342 1342/1342 1342 ± 0.00002349 7.076 6.741/7.331 7.025 ± 0.3605
14 1342 1342/1342 1342 ± 0.00002349 7.275 7.029/7.482 7.237 ± 0.3848
15 1342 1342/1342 1342 ± 0.00002349 6.959 6.695/7.234 6.929 ± 0.3887
16 1342 1342/1342 1342 ± 0.00002349 6.303 6.088/6.607 6.294 ± 0.4047
17 1342 1342/1342 1342 ± 0.00002349 6.281 6.073/6.459 6.244 ± 0.3995
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
overwrite_modelcol
False
Start time
2025-07-25 15:43:18.181
End
2025-07-25 16:40:40.991
Duration
0:57:22.810
Note, WebLog generation is not included in the time.

CASA logs for stage 8