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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.401 5.301/6.092 5.57 ± 0.7464
ea02 1342 1342/1342 1342 ± 0.00004485 6.007 5.455/6.72 5.915 ± 0.9463
ea04 1342 1342/1342 1342 ± 0.00004472 5.455 5.084/6.062 5.348 ± 0.8822
ea05 1342 1342/1342 1342 ± 0.00002344 5.4 5.014/6.135 5.502 ± 0.7925
ea06 1342 1342/1342 1342 ± 0.00004249 5.288 4.973/5.986 5.241 ± 0.8416
ea07 1342 1342/1342 1342 ± 0.00003707 5.824 5.329/6.213 5.716 ± 0.7756
ea09 1342 1342/1342 1342 ± 0.00003505 5.564 5.065/6.059 5.416 ± 0.7506
ea10 1342 1342/1342 1342 ± 0.00003762 5.296 4.808/5.841 5.22 ± 0.674
ea11 1342 1342/1342 1342 ± 0.0000403 6.011 5.472/6.589 5.81 ± 0.9386
ea12 1342 1342/1342 1342 ± 0.00004103 5.916 5.479/6.678 5.8 ± 1.006
ea13 1342 1342/1342 1342 ± 0.00002519 5.667 5.556/6.267 5.753 ± 0.8401
ea14 1342 1342/1342 1342 ± 0.00003065 5.699 5.272/6.563 5.734 ± 0.9129
ea15 1342 1342/1342 1342 ± 0.00003882 5.632 5.34/6.545 5.651 ± 1.045
ea16 1342 1342/1342 1342 ± 0.00002445 5.757 5.546/6.787 5.986 ± 0.8817
ea17 1342 1342/1342 1342 ± 0.00004054 5.892 5.458/6.727 5.929 ± 0.9084
ea18 1342 1342/1342 1342 ± 0.00004111 5.099 4.871/5.583 5.061 ± 0.7104
ea19 1342 1342/1342 1342 ± 0.00001213 5.646 5.442/6.493 5.79 ± 0.8462
ea20 1342 1342/1342 1342 ± 0.00003066 6.133 6.006/7.019 6.296 ± 0.8896
ea21 1342 1342/1342 1342 ± 0.00002852 5.566 5.311/6.317 5.588 ± 0.8575
ea22 1342 1342/1342 1342 ± 0.00004105 5.484 5.23/6.505 5.638 ± 0.9456
ea23 1342 1342/1342 1342 ± 0.00002744 5.942 5.525/6.65 5.977 ± 0.8632
ea24 1342 1342/1342 1342 ± 0.00002254 5.098 4.778/6.029 5.236 ± 0.7309
ea25 1342 1342/1342 1342 ± 0.00004024 5.703 5.354/6.353 5.656 ± 0.8455
ea26 1342 1342/1342 1342 ± 0.00003691 5.748 5.619/6.797 5.896 ± 0.952
ea27 1342 1342/1342 1342 ± 0.0000373 5.673 5.247/6.601 5.732 ± 0.837
ea28 1342 1342/1342 1342 ± 0.00003843 5.822 5.461/6.707 5.946 ± 0.9351
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 ± 0.00002362 5.447 5.33/5.66 5.447 ± 0.3079
3 1342 1342/1342 1342 ± 0.00003118 5.795 5.554/6.208 5.89 ± 0.5298
5 1342 1342/1342 1342 ± 0.00002797 5.257 5.028/5.471 5.261 ± 0.2933
6 1342 1342/1342 1342 ± 0.00002362 5.376 5.113/5.528 5.322 ± 0.2569
7 1342 1342/1342 1342 ± 0.00002362 5.43 5.229/5.54 5.36 ± 0.2626
8 1342 1342/1342 1342 ± 0.00002362 5.361 5.053/5.474 5.309 ± 0.3041
9 1342 1342/1342 1342 ± 0.00002362 5.649 5.302/5.752 5.585 ± 0.2911
10 1342 1342/1342 1342 ± 0.00002362 6.123 5.882/6.207 6.031 ± 0.2779
11 1342 1342/1342 1342 ± 0.00002362 6.363 6.059/6.539 6.315 ± 0.2865
12 1342 1342/1342 1342 ± 0.00002362 6.48 6.248/6.716 6.484 ± 0.3229
13 1342 1342/1342 1342 ± 0.00002362 6.708 6.412/6.969 6.641 ± 0.3981
14 1342 1342/1342 1342 ± 0.00002656 6.609 6.207/6.893 6.526 ± 0.4945
15 1342 1342/1342 1342 ± 0.00002569 6.585 6.052/6.856 6.468 ± 0.4708
16 1342 1342/1342 1342 ± 0.00005151 3.743 3.569/3.927 3.753 ± 0.2557
17 1342 1342/1342 1342 ± 0.00005326 3.896 3.646/4.159 3.917 ± 0.3774
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
overwrite_modelcol
False
Start time
2024-11-01 19:27:04.980
End
2024-11-01 20:27:47.675
Duration
1:00:42.695
Note, WebLog generation is not included in the time.

CASA logs for stage 8