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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 5.875 5.35/6.48 5.927 ± 0.7783
ea02 1342 1342/1342 1342 ± 0 5.988 5.383/6.338 5.938 ± 0.7543
ea03 1342 1342/1342 1342 ± 0 6.064 5.346/6.697 6.037 ± 0.7834
ea04 1342 1342/1342 1342 ± 0 5.521 4.94/5.971 5.436 ± 0.7004
ea05 1342 1342/1342 1342 ± 0 5.836 5.203/6.631 5.824 ± 0.7737
ea06 1342 1342/1342 1342 ± 0 5.894 4.91/6.051 5.635 ± 0.6854
ea07 1342 1342/1342 1342 ± 0 5.785 5.039/6.266 5.728 ± 0.8572
ea08 1342 1342/1342 1342 ± 0 6.281 5.526/6.739 6.208 ± 0.7651
ea09 1342 1342/1342 1342 ± 0 5.613 4.998/6.348 5.71 ± 0.6658
ea10 1342 1342/1342 1342 ± 0 5.501 4.87/5.965 5.408 ± 0.7396
ea11 1342 1342/1342 1342 ± 0 5.31 5.021/6.149 5.49 ± 0.7326
ea13 1342 1342/1342 1342 ± 0 6.058 5.434/6.317 5.945 ± 0.6003
ea14 1342 1342/1342 1342 ± 0 5.858 5.308/6.426 5.799 ± 0.8837
ea15 1342 1342/1342 1342 ± 0 6.096 5.471/6.512 6.077 ± 0.7088
ea16 1342 1342/1342 1342 ± 0 6.158 5.499/6.64 6.056 ± 0.8044
ea17 1342 1342/1342 1342 ± 0 6.182 5.57/7.041 6.145 ± 0.908
ea18 1342 1342/1342 1342 ± 0 6.312 5.736/6.927 6.35 ± 0.7736
ea19 1342 1342/1342 1342 ± 0 5.973 5.29/6.569 5.818 ± 0.7835
ea20 1342 1342/1342 1342 ± 0 5.826 5.391/6.308 5.878 ± 0.7038
ea21 1342 1342/1342 1342 ± 0 5.539 5.096/6.027 5.572 ± 0.5659
ea22 1342 1342/1342 1342 ± 0 6.101 5.533/6.628 6.1 ± 0.782
ea23 1342 1342/1342 1342 ± 0 6.02 5.315/6.36 5.89 ± 0.887
ea24 1342 1342/1342 1342 ± 0 6.023 5.18/6.438 5.794 ± 0.6418
ea25 1342 1342/1342 1342 ± 0 6.463 5.611/6.926 6.319 ± 0.9114
ea27 1342 1342/1342 1342 ± 0 5.767 5.062/6.416 5.66 ± 0.8278
ea28 1342 1342/1342 1342 ± 0 6.296 5.581/6.89 6.249 ± 0.6607
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 5.381 5.202/5.526 5.37 ± 0.2376
3 1342 1342/1342 1342 ± 0.00003 4.079 3.819/4.582 4.194 ± 0.5554
4 1342 1342/1342 1342 ± 0.00002415 4.999 4.781/5.187 4.991 ± 0.232
5 1342 1342/1342 1342 ± 0.00002348 5.269 5.03/5.531 5.266 ± 0.2993
6 1342 1342/1342 1342 ± 0.00002348 5.207 4.903/5.333 5.16 ± 0.2862
7 1342 1342/1342 1342 ± 0.00002348 5.359 5.195/5.513 5.34 ± 0.2424
8 1342 1342/1342 1342 ± 0.00002348 5.309 5.107/5.469 5.307 ± 0.2632
9 1342 1342/1342 1342 ± 0.00002348 5.632 5.516/5.843 5.653 ± 0.2749
10 1342 1342/1342 1342 ± 0.00002348 6.159 6.022/6.272 6.122 ± 0.2476
11 1342 1342/1342 1342 ± 0.00002348 6.335 6.15/6.515 6.337 ± 0.251
12 1342 1342/1342 1342 ± 0.00002348 6.477 6.304/6.699 6.494 ± 0.3103
13 1342 1342/1342 1342 ± 0.00002348 6.934 6.654/7.166 6.924 ± 0.323
14 1342 1342/1342 1342 ± 0.00002348 7.152 6.828/7.366 7.123 ± 0.3441
15 1342 1342/1342 1342 ± 0.00002348 6.829 6.547/7.093 6.814 ± 0.3598
16 1342 1342/1342 1342 ± 0.00002348 6.15 5.884/6.383 6.163 ± 0.4013
17 1342 1342/1342 1342 ± 0.00002348 6.167 5.978/6.405 6.155 ± 0.3401
statwtmode
VLASS-SE
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-29 03:14:50.743
End
2025-07-29 04:07:18.917
Duration
0:52:28.174
Note, WebLog generation is not included in the time.

CASA logs for stage 8