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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.657 5.163/5.861 5.56 ± 0.4662
ea02 1342 1342/1342 1342 ± 0.00003875 5.734 5.141/6.203 5.771 ± 0.6188
ea04 1342 1342/1342 1342 ± 0 5.376 4.963/6.041 5.456 ± 0.5772
ea05 1342 1342/1342 1342 ± 0 5.5 5.084/6.08 5.623 ± 0.581
ea06 1342 1342/1342 1342 ± 0 5.055 4.597/5.375 5.007 ± 0.4305
ea07 1342 1342/1342 1342 ± 0 5.595 5.232/5.918 5.691 ± 0.5683
ea08 1342 1342/1342 1342 ± 0 5.788 5.291/6.577 5.938 ± 0.6788
ea09 1342 1342/1342 1342 ± 0 5.526 4.926/6.055 5.528 ± 0.6907
ea10 1342 1342/1342 1342 ± 0 5.42 4.913/6.004 5.431 ± 0.6059
ea11 1342 1342/1342 1342 ± 0 5.379 5.115/6.105 5.566 ± 0.5746
ea12 1342 1342/1342 1342 ± 0 5.727 5.106/6.113 5.734 ± 0.6196
ea13 1342 1342/1342 1342 ± 0 5.855 5.483/6.189 5.88 ± 0.569
ea14 1342 1342/1342 1342 ± 0 5.813 5.265/6.273 5.851 ± 0.6635
ea15 1342 1342/1342 1342 ± 0 5.355 4.803/5.964 5.455 ± 0.7142
ea16 1342 1342/1342 1342 ± 0 6.095 5.447/6.602 6.066 ± 0.6559
ea17 1342 1342/1342 1342 ± 0 5.973 5.45/6.486 5.952 ± 0.5587
ea18 1342 1342/1342 1342 ± 0 4.777 4.656/5.576 5.066 ± 0.5195
ea19 1342 1342/1342 1342 ± 0 6.086 5.398/6.323 5.898 ± 0.5838
ea20 1342 1342/1342 1342 ± 0 5.825 5.393/6.36 5.937 ± 0.6726
ea21 1342 1342/1342 1342 ± 0 5.671 5.357/6.195 5.754 ± 0.549
ea22 1342 1342/1342 1342 ± 0 5.606 4.955/6.223 5.625 ± 0.7143
ea23 1342 1342/1342 1342 ± 0 5.82 5.296/6.222 5.869 ± 0.6507
ea25 1342 1342/1342 1342 ± 0 5.49 4.971/5.922 5.529 ± 0.5797
ea26 1342 1342/1342 1342 ± 0 5.559 5.143/6.092 5.63 ± 0.6378
ea27 1342 1342/1342 1342 ± 0.00002237 5.34 4.959/5.931 5.465 ± 0.5809
ea28 1342 1342/1342 1342 ± 0 5.75 5.42/6.442 5.861 ± 0.6037
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 ± 0.0000263 5.129 4.917/5.283 5.102 ± 0.3064
3 1342 1342/1342 1342 ± 0.00002613 5.121 4.827/5.357 5.078 ± 0.3112
4 1342 1342/1342 1342 ± 0.0000282 5.002 4.726/5.111 4.944 ± 0.2953
5 1342 1342/1342 1342 ± 0.00002349 5.078 4.831/5.493 5.176 ± 0.3765
6 1342 1342/1342 1342 ± 0.00002349 5.052 4.906/5.228 5.055 ± 0.2608
7 1342 1342/1342 1342 ± 0.00002349 5.075 4.92/5.222 5.078 ± 0.2302
8 1342 1342/1342 1342 ± 0.00002349 5.128 4.921/5.268 5.079 ± 0.2696
9 1342 1342/1342 1342 ± 0.00002349 5.419 5.22/5.589 5.383 ± 0.307
10 1342 1342/1342 1342 ± 0.00002394 5.838 5.627/6.04 5.804 ± 0.3225
11 1342 1342/1342 1342 ± 0.00002349 5.993 5.899/6.15 5.982 ± 0.3027
12 1342 1342/1342 1342 ± 0.00002349 6.193 6.004/6.326 6.152 ± 0.2894
13 1342 1342/1342 1342 ± 0.00002349 6.609 6.513/6.742 6.585 ± 0.3268
14 1342 1342/1342 1342 ± 0.00002394 6.796 6.594/7.01 6.757 ± 0.3623
15 1342 1342/1342 1342 ± 0.00002394 6.447 6.168/6.617 6.367 ± 0.3438
16 1342 1342/1342 1342 ± 0.00002856 5.842 5.616/5.986 5.786 ± 0.2866
17 1342 1342/1342 1342 ± 0.00002449 5.855 5.699/6.053 5.821 ± 0.2947
output_dir
 
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-05 02:33:45.384
End
2024-04-05 03:36:02.264
Duration
1:02:16.880
Note, WebLog generation is not included in the time.

CASA logs for stage 7