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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.305 5.836/6.692 6.351 ± 0.6489
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003045 5.796 5.463/6.216 5.919 ± 0.5641
ea06 1342 1342/1342 1342 ± 0 5.901 5.658/6.404 6.042 ± 0.5465
ea07 1342 1342/1342 1342 ± 0 6.074 5.699/6.201 6.112 ± 0.5362
ea08 1342 1342/1342 1342 ± 0.00002494 6.294 5.892/6.794 6.373 ± 0.6069
ea09 1342 1342/1342 1342 ± 0 6.113 5.592/6.728 6.184 ± 0.62
ea10 1342 1342/1342 1342 ± 0 6.003 5.665/6.855 6.209 ± 0.6398
ea11 1342 1342/1342 1342 ± 0 5.995 5.718/6.554 6.151 ± 0.6006
ea12 1342 1342/1342 1342 ± 0 6.267 5.798/6.675 6.294 ± 0.6269
ea13 1342 1342/1342 1342 ± 0.000011 5.811 5.689/6.216 5.917 ± 0.511
ea14 1342 1342/1342 1342 ± 0 6.278 5.972/6.94 6.479 ± 0.6469
ea15 1342 1342/1342 1342 ± 0 5.641 5.362/6.075 5.749 ± 0.5322
ea16 1342 1342/1342 1342 ± 0 6.313 5.918/6.86 6.461 ± 0.6705
ea17 1342 1342/1342 1342 ± 0 6.436 6.132/7.316 6.679 ± 0.6336
ea18 1342 1342/1342 1342 ± 0 5.073 4.738/5.532 5.169 ± 0.5109
ea19 1342 1342/1342 1342 ± 0 6.399 6.196/7.237 6.628 ± 0.6834
ea20 1342 1342/1342 1342 ± 0 6.028 5.81/6.894 6.265 ± 0.6182
ea21 1342 1342/1342 1342 ± 0 5.945 5.76/6.567 6.21 ± 0.5603
ea22 1342 1342/1342 1342 ± 0 6.216 5.578/6.508 6.092 ± 0.6386
ea23 1342 1342/1342 1342 ± 0 6.211 5.91/6.851 6.466 ± 0.6552
ea24 1342 1342/1342 1342 ± 0 6.008 5.225/6.448 5.868 ± 0.5861
ea26 1342 1342/1342 1342 ± 0 6.334 5.914/7.07 6.466 ± 0.6897
ea27 1342 1342/1342 1342 ± 0 6.098 5.873/7.05 6.376 ± 0.6831
ea28 1342 1342/1342 1342 ± 0 5.983 5.869/6.901 6.339 ± 0.728
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 5.846 5.629/6.031 5.792 ± 0.3448
4 1342 1342/1342 1342 ± 0.00003187 5.285 5.118/5.449 5.273 ± 0.3675
5 1342 1342/1342 1342 ± 0.00002439 5.83 5.58/6.012 5.754 ± 0.3841
6 1342 1342/1342 1342 ± 0.00002439 5.726 5.448/5.884 5.66 ± 0.2979
7 1342 1342/1342 1342 ± 0.00002439 5.738 5.46/5.906 5.688 ± 0.3251
8 1342 1342/1342 1342 ± 0.00002439 5.611 5.326/5.803 5.587 ± 0.3523
9 1342 1342/1342 1342 ± 0.00002439 5.921 5.653/6.128 5.854 ± 0.3517
10 1342 1342/1342 1342 ± 0.00002439 6.34 6.144/6.536 6.271 ± 0.3535
11 1342 1342/1342 1342 ± 0.00002439 6.519 6.321/6.769 6.496 ± 0.3736
12 1342 1342/1342 1342 ± 0.00002439 6.683 6.418/6.901 6.638 ± 0.4034
13 1342 1342/1342 1342 ± 0.00002439 7.127 6.845/7.47 7.114 ± 0.4318
14 1342 1342/1342 1342 ± 0.00002439 7.308 7.11/7.63 7.325 ± 0.4188
15 1342 1342/1342 1342 ± 0.00002439 7.021 6.648/7.305 7 ± 0.4192
16 1342 1342/1342 1342 ± 0.00002439 6.132 5.886/6.399 6.137 ± 0.395
17 1342 1342/1342 1342 ± 0.00003179 6.117 5.78/6.255 6.029 ± 0.3861
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-04-18 13:32:09.673
End
2025-04-18 14:18:53.682
Duration
0:46:44.009
Note, WebLog generation is not included in the time.

CASA logs for stage 8