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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.182 5.03/6.089 5.487 ± 0.779
ea02 1342 1342/1342 1342 ± 0.00004949 5.693 5.223/6.619 5.856 ± 0.8753
ea04 1342 1342/1342 1342 ± 0.00001298 5.473 5.006/6.055 5.475 ± 0.7418
ea05 1342 1342/1342 1342 ± 0.00001481 5.611 5.072/6.3 5.7 ± 0.7655
ea06 1342 1342/1342 1342 ± 0.00003289 5.099 4.704/5.401 4.987 ± 0.5495
ea07 1342 1342/1342 1342 ± 0.00002193 6.149 5.335/6.63 6.044 ± 0.7072
ea08 1342 1342/1342 1342 ± 0.00004425 5.801 5.423/6.8 6.04 ± 1.012
ea09 1342 1342/1342 1342 ± 0.00002973 5.719 5.151/6.493 5.724 ± 0.7899
ea10 1342 1342/1342 1342 ± 0.00003718 5.734 5.118/6.687 5.875 ± 0.9029
ea11 1342 1342/1342 1342 ± 0.00004401 5.657 5.054/6.419 5.695 ± 0.9095
ea12 1342 1342/1342 1342 ± 0.00003748 5.769 5.276/6.469 5.782 ± 0.866
ea13 1342 1342/1342 1342 ± 0.00001898 5.759 5.515/6.343 5.941 ± 0.7397
ea14 1342 1342/1342 1342 ± 0.0000365 5.897 5.029/6.422 5.654 ± 0.9312
ea15 1342 1342/1342 1342 ± 0.000009686 5.304 5.026/6.193 5.569 ± 0.8714
ea16 1342 1342/1342 1342 ± 0.00002317 5.605 5.277/6.814 5.971 ± 1.043
ea17 1342 1342/1342 1342 ± 0.00004495 6.019 5.494/6.978 5.968 ± 0.9758
ea18 1342 1342/1342 1342 ± 0.00004255 4.876 4.683/5.673 5.066 ± 0.6328
ea19 1342 1342/1342 1342 ± 0.00002109 5.917 5.541/6.755 6.069 ± 0.8855
ea20 1342 1342/1342 1342 ± 0.00004443 5.717 5.488/6.878 6.048 ± 0.9858
ea21 1342 1342/1342 1342 ± 0.0000275 5.497 5.313/6.335 5.691 ± 0.8264
ea22 1342 1342/1342 1342 ± 0.00004195 5.935 5.002/6.34 5.701 ± 0.7719
ea23 1342 1342/1342 1342 ± 0.00002561 6.157 5.498/7.039 6.179 ± 0.8078
ea25 1342 1342/1342 1342 ± 0.0000371 5.461 5.149/6.279 5.629 ± 0.7884
ea26 1342 1342/1342 1342 ± 0.00002835 5.837 5.666/6.989 6.114 ± 0.8823
ea27 1342 1342/1342 1342 ± 0.00003735 5.492 5.284/6.495 5.759 ± 0.7847
ea28 1342 1342/1342 1342 ± 0.00004486 5.624 5.353/6.539 5.855 ± 0.9493
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 ± 0.00002417 5.421 5.114/5.665 5.385 ± 0.3096
5 1342 1342/1342 1342 ± 0.00004543 5.459 5.279/5.564 5.37 ± 0.2996
6 1342 1342/1342 1342 ± 0.00002421 5.321 5.04/5.376 5.245 ± 0.2859
7 1342 1342/1342 1342 ± 0.00002464 5.263 5.092/5.452 5.255 ± 0.2483
8 1342 1342/1342 1342 ± 0.00002454 5.183 5.036/5.347 5.204 ± 0.2569
9 1342 1342/1342 1342 ± 0.00002718 5.501 5.297/5.717 5.447 ± 0.3152
10 1342 1342/1342 1342 ± 0.00002366 6.016 5.928/6.186 5.991 ± 0.3121
11 1342 1342/1342 1342 ± 0.00002366 6.335 6.154/6.417 6.256 ± 0.332
12 1342 1342/1342 1342 ± 0.00002366 6.488 6.277/6.67 6.439 ± 0.3616
13 1342 1342/1342 1342 ± 0.00002366 6.846 6.629/7.087 6.824 ± 0.3996
14 1342 1342/1342 1342 ± 0.00002366 7.125 6.876/7.303 7.048 ± 0.4222
15 1342 1342/1342 1342 ± 0.00002414 6.609 6.396/6.91 6.575 ± 0.4624
16 1342 1342/1342 1342 ± 0.0000585 4.402 4.242/4.559 4.395 ± 0.2072
17 1342 1342/1342 1342 ± 0.00005934 4.357 4.213/4.546 4.384 ± 0.2236
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-29 06:40:48.579
End
2025-01-29 07:11:13.814
Duration
0:30:25.235
Note, WebLog generation is not included in the time.

CASA logs for stage 8