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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.114 5.851/6.656 6.219 ± 0.7221
ea03 1342 1342/1342 1342 ± 0.000007534 5.627 5.275/6.418 5.803 ± 0.7082
ea04 1342 1342/1342 1342 ± 0 5.646 5.283/6.143 5.747 ± 0.5845
ea05 1342 1342/1342 1342 ± 0 6.03 5.666/6.644 6.158 ± 0.6819
ea06 1342 1342/1342 1342 ± 0 6.013 5.628/6.425 6.08 ± 0.5365
ea07 1342 1342/1342 1342 ± 0 5.991 5.466/6.212 5.975 ± 0.5293
ea08 1342 1342/1342 1342 ± 0.000003826 6.035 5.676/6.56 6.174 ± 0.6439
ea09 1342 1342/1342 1342 ± 0.000005256 6.039 5.541/6.632 6.118 ± 0.6992
ea10 1342 1342/1342 1342 ± 0 6.015 5.589/6.662 6.1 ± 0.5865
ea11 1342 1342/1342 1342 ± 0.0000051 6.13 5.467/6.625 6.117 ± 0.7039
ea12 1342 1342/1342 1342 ± 0.00000221 6.06 5.659/6.671 6.203 ± 0.7796
ea13 1342 1342/1342 1342 ± 0 6.013 5.783/6.421 6.138 ± 0.5038
ea14 1342 1342/1342 1342 ± 0 6.094 5.619/6.624 6.188 ± 0.6433
ea15 1342 1342/1342 1342 ± 0 5.536 5.152/5.947 5.59 ± 0.5854
ea16 1342 1342/1342 1342 ± 0 6.206 5.838/6.76 6.32 ± 0.7071
ea17 1342 1342/1342 1342 ± 0.000001276 6.551 6.204/7.28 6.742 ± 0.6501
ea18 1342 1342/1342 1342 ± 0 5.141 4.889/5.619 5.279 ± 0.4854
ea19 1342 1342/1342 1342 ± 0 6.364 5.926/6.917 6.488 ± 0.6586
ea20 1342 1342/1342 1342 ± 0 5.886 5.624/6.476 6.031 ± 0.6383
ea21 1342 1342/1342 1342 ± 0 5.789 5.558/6.355 5.981 ± 0.5337
ea22 1342 1342/1342 1342 ± 0 5.923 5.508/6.436 6.016 ± 0.6246
ea23 1342 1342/1342 1342 ± 0 6.242 5.843/6.628 6.326 ± 0.6755
ea24 1342 1342/1342 1342 ± 0.00001577 6.072 5.425/6.606 5.919 ± 0.7684
ea25 1342 1342/1342 1342 ± 0 6.322 5.757/6.968 6.401 ± 0.7779
ea26 1342 1342/1342 1342 ± 0.000002596 6.435 5.956/7.118 6.506 ± 0.7185
ea27 1342 1342/1342 1342 ± 0 5.89 5.565/6.678 6.07 ± 0.6561
ea28 1342 1342/1342 1342 ± 0 5.988 5.707/6.708 6.211 ± 0.6682
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 5.741 5.54/5.933 5.725 ± 0.2714
3 1342 1342/1342 1342 ± 0.00002767 5.121 4.9/5.291 5.069 ± 0.4618
4 1342 1342/1342 1342 ± 0.00002305 5.503 5.275/5.768 5.521 ± 0.3784
5 1342 1342/1342 1342 ± 0.00002305 5.708 5.444/5.885 5.662 ± 0.3251
6 1342 1342/1342 1342 ± 0.00002305 5.595 5.44/5.782 5.581 ± 0.2587
7 1342 1342/1342 1342 ± 0.00002305 5.615 5.425/5.819 5.615 ± 0.2686
8 1342 1342/1342 1342 ± 0.00002305 5.545 5.316/5.729 5.533 ± 0.3076
9 1342 1342/1342 1342 ± 0.00002305 5.827 5.704/6.024 5.812 ± 0.301
10 1342 1342/1342 1342 ± 0.00002305 6.299 6.149/6.435 6.22 ± 0.3094
11 1342 1342/1342 1342 ± 0.00002305 6.489 6.36/6.631 6.444 ± 0.3013
12 1342 1342/1342 1342 ± 0.00002305 6.642 6.396/6.749 6.585 ± 0.3646
13 1342 1342/1342 1342 ± 0.00002305 7.056 6.838/7.374 7.082 ± 0.3851
14 1342 1342/1342 1342 ± 0.00002305 7.301 7.121/7.558 7.3 ± 0.3853
15 1342 1342/1342 1342 ± 0.00002305 6.901 6.745/7.251 6.966 ± 0.3627
16 1342 1342/1342 1342 ± 0.00002305 6.242 6.059/6.656 6.312 ± 0.3866
17 1342 1342/1342 1342 ± 0.00002305 6.265 5.989/6.46 6.247 ± 0.3756
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
overwrite_modelcol
False
Start time
2025-04-23 05:40:30.395
End
2025-04-23 06:30:01.039
Duration
0:49:30.645
Note, WebLog generation is not included in the time.

CASA logs for stage 8