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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.242 5.157/5.986 5.323 ± 0.8889
ea02 1342 1342/1342 1342 ± 0.00004961 5.811 5.284/6.56 5.682 ± 1.048
ea05 1342 1342/1342 1342 ± 0.00001296 5.494 5.136/6.275 5.529 ± 0.8902
ea06 1342 1342/1342 1342 ± 0.000004121 4.936 4.843/5.506 4.932 ± 0.7572
ea07 1342 1342/1342 1342 ± 0.00004391 5.645 5.31/5.98 5.428 ± 0.8931
ea08 1342 1342/1342 1342 ± 0.00004278 5.993 5.609/6.851 5.958 ± 1.151
ea09 1342 1342/1342 1342 ± 0.00002236 3.762 3.286/5.603 4.386 ± 1.144
ea10 1342 1342/1342 1342 ± 0.00004439 5.519 5.048/6.281 5.409 ± 0.9459
ea11 1342 1342/1342 1342 ± 0 5.814 5.272/6.447 5.907 ± 0.603
ea12 1342 1342/1342 1342 ± 0.000004276 5.626 5.372/6.52 5.642 ± 1.078
ea13 1342 1342/1342 1342 ± 0.00002467 5.824 5.664/6.363 5.832 ± 0.84
ea14 1342 1342/1342 1342 ± 0.00002161 6.395 5.643/6.57 5.811 ± 1.139
ea15 1342 1342/1342 1342 ± 0.000001617 5.391 5.163/6.254 5.494 ± 0.9845
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004368 5.872 5.438/6.732 5.744 ± 1.127
ea18 1342 1342/1342 1342 ± 0.00003458 5.029 4.765/5.738 4.959 ± 0.8695
ea19 1342 1342/1342 1342 ± 0.000001143 5.729 5.436/6.498 5.762 ± 0.8787
ea20 1342 1342/1342 1342 ± 0.00001886 5.945 5.678/6.829 5.934 ± 1.219
ea21 1342 1342/1342 1342 ± 0.00001909 5.457 5.341/6.269 5.49 ± 0.8901
ea22 1342 1342/1342 1342 ± 0.00004243 5.376 5.121/6.447 5.528 ± 0.9594
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.277 5.252/5.329 5.287 ± 0.1579
ea26 1342 1342/1342 1342 ± 0.00003496 5.606 5.474/6.567 5.708 ± 0.8991
ea27 1342 1342/1342 1342 ± 0.00004598 5.446 5.028/6.35 5.442 ± 0.976
ea28 1342 1342/1342 1342 ± 0.00005325 6.407 6.014/6.71 5.806 ± 1.31
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 ± 0.00002602 5.355 5.209/5.636 5.348 ± 0.5031
5 1342 1342/1342 1342 ± 0.00002721 5.291 5.099/5.443 5.219 ± 0.5238
6 1342 1342/1342 1342 ± 0.00002602 5.329 5.185/5.477 5.234 ± 0.5123
7 1342 1342/1342 1342 ± 0.00002602 5.271 5.139/5.482 5.225 ± 0.491
8 1342 1342/1342 1342 ± 0.00002602 5.292 5.025/5.437 5.162 ± 0.514
9 1342 1342/1342 1342 ± 0.00002602 5.547 5.438/5.775 5.447 ± 0.583
10 1342 1342/1342 1342 ± 0.00002545 6.027 5.763/6.128 5.948 ± 0.3529
11 1342 1342/1342 1342 ± 0.00002545 6.301 6.226/6.403 6.231 ± 0.3534
12 1342 1342/1342 1342 ± 0.00002545 6.461 6.225/6.57 6.401 ± 0.3635
13 1342 1342/1342 1342 ± 0.00002558 6.749 6.35/6.879 6.651 ± 0.3731
14 1342 1342/1342 1342 ± 0.00003409 6.432 6.037/6.889 6.459 ± 0.498
15 1342 1342/1342 1342 ± 0.00002637 6.524 6.354/6.731 6.476 ± 0.4811
16 1342 1342/1342 1342 ± 0.0000605 3.505 3.322/3.708 3.528 ± 0.2687
17 1342 1342/1342 1342 ± 0.00006102 3.647 3.476/3.85 3.668 ± 0.2617
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-22 04:37:30.077
End
2024-04-22 05:38:25.224
Duration
1:00:55.147
Note, WebLog generation is not included in the time.

CASA logs for stage 7