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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.667 5.378/6.15 5.764 ± 0.4429
ea02 1342 1342/1342 1342 ± 0 6.004 5.631/6.586 6.126 ± 0.5857
ea04 1342 1342/1342 1342 ± 0 5.511 5.149/6.059 5.627 ± 0.5277
ea05 1342 1342/1342 1342 ± 0 5.801 5.415/6.409 5.912 ± 0.5836
ea06 1342 1342/1342 1342 ± 0 4.959 4.651/5.39 5.023 ± 0.4077
ea07 1342 1342/1342 1342 ± 0.00001894 5.741 5.471/6.281 5.932 ± 0.5773
ea08 1342 1342/1342 1342 ± 0 5.915 5.679/6.704 6.203 ± 0.6147
ea09 1342 1342/1342 1342 ± 0 5.9 5.377/6.516 5.976 ± 0.6202
ea10 1342 1342/1342 1342 ± 0.00003355 5.486 5.293/6.388 5.779 ± 0.5682
ea11 1342 1342/1342 1342 ± 0 5.972 5.317/6.355 5.944 ± 0.5827
ea12 1342 1342/1342 1342 ± 0 6.034 5.445/6.546 6.094 ± 0.627
ea13 1342 1342/1342 1342 ± 0 6.291 5.837/6.439 6.248 ± 0.4707
ea14 1342 1342/1342 1342 ± 0 5.733 5.378/6.449 5.889 ± 0.6439
ea15 1342 1342/1342 1342 ± 0 5.761 5.105/6.192 5.741 ± 0.6971
ea16 1342 1342/1342 1342 ± 0 6.108 5.816/6.812 6.3 ± 0.6777
ea17 1342 1342/1342 1342 ± 0 6.008 5.703/6.443 6.16 ± 0.5595
ea18 1342 1342/1342 1342 ± 0 5.194 4.843/5.687 5.241 ± 0.5181
ea19 1342 1342/1342 1342 ± 0 6.072 5.631/6.791 6.182 ± 0.6226
ea20 1342 1342/1342 1342 ± 0 6.413 5.777/6.844 6.33 ± 0.6317
ea21 1342 1342/1342 1342 ± 0 5.592 5.483/6.337 5.88 ± 0.5577
ea22 1342 1342/1342 1342 ± 0 5.893 5.39/6.448 5.957 ± 0.5873
ea23 1342 1342/1342 1342 ± 0 5.754 5.583/6.606 6.105 ± 0.6604
ea25 1342 1342/1342 1342 ± 0 5.81 5.356/6.144 5.837 ± 0.5703
ea26 1342 1342/1342 1342 ± 0 6.373 5.742/6.86 6.313 ± 0.5855
ea27 1342 1342/1342 1342 ± 0.0000415 5.622 5.423/6.379 5.876 ± 0.5589
ea28 1342 1342/1342 1342 ± 0 5.715 5.516/6.438 5.993 ± 0.5847
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 ± 0.00002349 5.451 5.258/5.654 5.419 ± 0.2583
4 1342 1342/1342 1342 ± 0.0000239 5.309 5.209/5.584 5.324 ± 0.4137
5 1342 1342/1342 1342 ± 0.00002349 5.5 5.254/5.649 5.462 ± 0.3444
6 1342 1342/1342 1342 ± 0.00002349 5.375 5.175/5.591 5.365 ± 0.3066
7 1342 1342/1342 1342 ± 0.00002349 5.498 5.262/5.613 5.435 ± 0.2848
8 1342 1342/1342 1342 ± 0.00002349 5.489 5.228/5.589 5.398 ± 0.3053
9 1342 1342/1342 1342 ± 0.00002349 5.724 5.548/5.933 5.668 ± 0.3442
10 1342 1342/1342 1342 ± 0.00002349 6.145 6.003/6.291 6.087 ± 0.3268
11 1342 1342/1342 1342 ± 0.00002349 6.389 6.198/6.473 6.314 ± 0.3378
12 1342 1342/1342 1342 ± 0.00002349 6.534 6.331/6.698 6.465 ± 0.3591
13 1342 1342/1342 1342 ± 0.00002349 6.953 6.809/7.136 6.902 ± 0.3826
14 1342 1342/1342 1342 ± 0.00002349 7.052 6.904/7.293 7.023 ± 0.4233
15 1342 1342/1342 1342 ± 0.00002349 6.47 6.315/6.734 6.46 ± 0.3671
16 1342 1342/1342 1342 ± 0.00003849 5.817 5.626/6.057 5.848 ± 0.3529
17 1342 1342/1342 1342 ± 0.00003726 5.908 5.677/6.16 5.894 ± 0.3365
output_dir
 
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-18 06:38:41.570
End
2024-05-18 07:51:04.331
Duration
1:12:22.761
Note, WebLog generation is not included in the time.

CASA logs for stage 8