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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.468 5.155/5.902 5.589 ± 0.5386
ea02 1342 1342/1342 1342 ± 0 5.564 5.326/6.384 5.859 ± 0.6561
ea04 1342 1342/1342 1342 ± 0 5.306 5.029/5.858 5.462 ± 0.5464
ea05 1342 1342/1342 1342 ± 0 5.551 5.16/6.026 5.639 ± 0.5764
ea06 1342 1342/1342 1342 ± 0 4.999 4.689/5.546 5.123 ± 0.4958
ea07 1342 1342/1342 1342 ± 0 5.84 5.342/6.061 5.847 ± 0.5702
ea08 1342 1342/1342 1342 ± 0 5.587 5.394/6.462 5.918 ± 0.6736
ea09 1342 1342/1342 1342 ± 0 5.556 5.131/6.159 5.632 ± 0.6315
ea10 1342 1342/1342 1342 ± 0 5.799 5.146/6.412 5.796 ± 0.674
ea11 1342 1342/1342 1342 ± 0 5.645 5.064/6.203 5.681 ± 0.67
ea12 1342 1342/1342 1342 ± 0 5.681 5.253/6.262 5.828 ± 0.6429
ea13 1342 1342/1342 1342 ± 0 5.974 5.656/6.264 6.051 ± 0.5075
ea14 1342 1342/1342 1342 ± 0 5.671 5.17/6.269 5.767 ± 0.6563
ea15 1342 1342/1342 1342 ± 0 5.476 5.04/6.106 5.632 ± 0.6739
ea16 1342 1342/1342 1342 ± 0 5.985 5.561/6.667 6.147 ± 0.7263
ea17 1342 1342/1342 1342 ± 0.000007468 5.811 5.469/6.373 5.961 ± 0.6315
ea18 1342 1342/1342 1342 ± 0 4.92 4.637/5.352 5.024 ± 0.5075
ea19 1342 1342/1342 1342 ± 0 5.875 5.425/6.561 6.052 ± 0.6527
ea20 1342 1342/1342 1342 ± 0 5.982 5.629/6.646 6.125 ± 0.6602
ea21 1342 1342/1342 1342 ± 0 5.617 5.263/6.113 5.721 ± 0.5558
ea22 1342 1342/1342 1342 ± 0 5.419 5.08/6.091 5.609 ± 0.6672
ea23 1342 1342/1342 1342 ± 0 5.882 5.367/6.28 5.957 ± 0.6791
ea25 1342 1342/1342 1342 ± 0.000002024 5.404 5.142/5.954 5.562 ± 0.5678
ea26 1342 1342/1342 1342 ± 0 6.074 5.552/6.786 6.091 ± 0.6536
ea27 1342 1342/1342 1342 ± 0.00003638 5.433 5.158/6.204 5.624 ± 0.58
ea28 1342 1342/1342 1342 ± 0.00002562 5.525 5.304/6.28 5.747 ± 0.6575
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 5.271 5.117/5.541 5.285 ± 0.2547
3 1342 1342/1342 1342 ± 0.00002348 5.142 4.977/5.393 5.189 ± 0.2934
4 1342 1342/1342 1342 ± 0.00002372 5.159 4.856/5.336 5.069 ± 0.3174
5 1342 1342/1342 1342 ± 0.00002348 5.093 4.889/5.275 5.099 ± 0.2835
6 1342 1342/1342 1342 ± 0.00002348 5.213 5.036/5.416 5.204 ± 0.2822
7 1342 1342/1342 1342 ± 0.00002348 5.26 5.123/5.402 5.255 ± 0.2566
8 1342 1342/1342 1342 ± 0.00002348 5.282 5.011/5.372 5.206 ± 0.2771
9 1342 1342/1342 1342 ± 0.00002348 5.501 5.325/5.749 5.49 ± 0.311
10 1342 1342/1342 1342 ± 0.00002348 5.945 5.718/6.082 5.901 ± 0.2956
11 1342 1342/1342 1342 ± 0.00002348 6.185 5.965/6.324 6.115 ± 0.3031
12 1342 1342/1342 1342 ± 0.00002348 6.249 6.069/6.465 6.209 ± 0.4475
13 1342 1342/1342 1342 ± 0.00002348 6.711 6.619/6.861 6.708 ± 0.3385
14 1342 1342/1342 1342 ± 0.00002348 6.955 6.693/7.121 6.908 ± 0.3644
15 1342 1342/1342 1342 ± 0.00002348 6.656 6.374/6.846 6.563 ± 0.3648
16 1342 1342/1342 1342 ± 0.0000351 5.842 5.532/6.172 5.848 ± 0.3828
17 1342 1342/1342 1342 ± 0.00003265 5.89 5.673/6.164 5.897 ± 0.3534
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-08 13:24:02.504
End
2025-01-08 14:24:10.344
Duration
1:00:07.840
Note, WebLog generation is not included in the time.

CASA logs for stage 8