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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.56 5.906/7.227 6.472 ± 0.8639
ea03 1342 1342/1342 1342 ± 0.000008299 6.227 5.474/6.814 6.125 ± 0.7384
ea04 1342 1342/1342 1342 ± 0 6.001 5.535/6.402 6.069 ± 0.6059
ea05 1342 1342/1342 1342 ± 0 6.113 5.848/7.025 6.429 ± 0.7151
ea06 1342 1342/1342 1342 ± 0 6.349 5.727/6.641 6.278 ± 0.5979
ea07 1342 1342/1342 1342 ± 0 6.198 5.668/6.32 6.18 ± 0.5603
ea08 1342 1342/1342 1342 ± 0.000001572 6.739 5.828/6.907 6.502 ± 0.7292
ea09 1342 1342/1342 1342 ± 0.000001572 6.224 5.719/7.013 6.438 ± 0.7426
ea10 1342 1342/1342 1342 ± 0 6.136 5.914/7.003 6.413 ± 0.6462
ea11 1342 1342/1342 1342 ± 0.000004443 6.368 5.597/6.923 6.363 ± 0.7812
ea12 1342 1342/1342 1342 ± 0 6.55 5.868/6.876 6.513 ± 0.7354
ea13 1342 1342/1342 1342 ± 0 6.064 5.938/6.513 6.242 ± 0.4621
ea14 1342 1342/1342 1342 ± 0 6.27 5.95/6.95 6.473 ± 0.6793
ea15 1342 1342/1342 1342 ± 0 5.364 5.041/5.898 5.468 ± 0.5236
ea16 1342 1342/1342 1342 ± 0 6.509 5.929/7.038 6.566 ± 0.7193
ea17 1342 1342/1342 1342 ± 0 6.623 6.105/7.651 6.828 ± 0.771
ea18 1342 1342/1342 1342 ± 0 5.256 4.963/5.655 5.356 ± 0.4519
ea19 1342 1342/1342 1342 ± 0 6.468 6.204/7.449 6.785 ± 0.7404
ea20 1342 1342/1342 1342 ± 0 6.136 5.839/7.001 6.369 ± 0.6356
ea21 1342 1342/1342 1342 ± 0 5.874 5.707/6.672 6.163 ± 0.5983
ea22 1342 1342/1342 1342 ± 0 6.323 5.474/6.698 6.131 ± 0.6874
ea23 1342 1342/1342 1342 ± 0 6.346 5.999/7.034 6.563 ± 0.7113
ea24 1342 1342/1342 1342 ± 0 6.311 5.373/6.585 6.063 ± 0.6477
ea25 1342 1342/1342 1342 ± 0 6.784 5.924/6.923 6.624 ± 0.7916
ea26 1342 1342/1342 1342 ± 0.000008869 6.643 6.101/7.364 6.683 ± 0.8555
ea27 1342 1342/1342 1342 ± 0 6.213 5.857/7.088 6.428 ± 0.7294
ea28 1342 1342/1342 1342 ± 0 6.288 6.01/7.124 6.593 ± 0.7082
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 ± 0.00002305 5.907 5.649/6.08 5.844 ± 0.3526
3 1342 1342/1342 1342 ± 0.00002535 5.458 5.202/5.639 5.39 ± 0.371
5 1342 1342/1342 1342 ± 0.00002305 5.828 5.495/5.937 5.703 ± 0.3567
6 1342 1342/1342 1342 ± 0.00002305 5.804 5.493/5.965 5.74 ± 0.2967
7 1342 1342/1342 1342 ± 0.00002305 5.852 5.568/5.998 5.764 ± 0.3112
8 1342 1342/1342 1342 ± 0.00002305 5.725 5.452/5.974 5.697 ± 0.3466
9 1342 1342/1342 1342 ± 0.00002305 6.106 5.755/6.283 6.003 ± 0.3544
10 1342 1342/1342 1342 ± 0.00002305 6.56 6.28/6.705 6.458 ± 0.3689
11 1342 1342/1342 1342 ± 0.00002305 6.787 6.54/6.96 6.689 ± 0.3783
12 1342 1342/1342 1342 ± 0.00002306 6.923 6.589/7.043 6.827 ± 0.4357
13 1342 1342/1342 1342 ± 0.00002305 7.395 7.057/7.75 7.363 ± 0.4727
14 1342 1342/1342 1342 ± 0.00002305 7.699 7.333/7.951 7.592 ± 0.469
15 1342 1342/1342 1342 ± 0.00002305 7.242 6.932/7.519 7.171 ± 0.457
16 1342 1342/1342 1342 ± 0.00002305 6.35 6.164/6.722 6.416 ± 0.4579
17 1342 1342/1342 1342 ± 0.00002305 6.409 6.128/6.645 6.38 ± 0.4478
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-06-10 03:59:54.784
End
2025-06-10 04:31:24.414
Duration
0:31:29.630
Note, WebLog generation is not included in the time.

CASA logs for stage 8