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

Statwt Summary Plot

VLASS2.1.sb38613115.eb38659596.59111.15011048611_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 5.393 4.686/5.877 5.312 ± 0.6514
ea02 1342 1342/1342 1342 ± 0.00000627 5.659 5.055/6.252 5.662 ± 0.6735
ea04 1342 1342/1342 1342 ± 0 5.521 5.04/6.045 5.62 ± 0.5776
ea05 1342 1342/1342 1342 ± 0 5.771 5.002/6.283 5.649 ± 0.6981
ea06 1342 1342/1342 1342 ± 0 4.801 4.606/5.194 4.893 ± 0.3539
ea07 1342 1342/1342 1342 ± 0.00001144 5.694 4.768/5.908 5.459 ± 0.7013
ea08 1342 1342/1342 1342 ± 0.00001559 5.806 5.138/6.307 5.806 ± 0.7466
ea09 1342 1342/1342 1342 ± 0 5.656 5.062/6.333 5.691 ± 0.6457
ea10 1342 1342/1342 1342 ± 0.0000264 5.765 4.668/6.102 5.444 ± 0.7711
ea11 1342 1342/1342 1342 ± 0.000002807 5.911 4.795/6.207 5.632 ± 0.7985
ea12 1342 1342/1342 1342 ± 0 5.765 5.195/6.355 5.86 ± 0.6963
ea13 1342 1342/1342 1342 ± 0 6.321 5.774/6.428 6.217 ± 0.4954
ea14 1342 1342/1342 1342 ± 0.000004292 5.553 4.606/6.074 5.433 ± 0.7815
ea15 1342 1342/1342 1342 ± 0 5.858 5.285/6.302 5.901 ± 0.6906
ea16 1342 1342/1342 1342 ± 0 5.785 5.038/6.38 5.757 ± 0.8141
ea17 1342 1342/1342 1342 ± 0.00001407 5.541 4.887/6.31 5.609 ± 0.7146
ea18 1342 1342/1342 1342 ± 0 4.916 4.405/5.39 4.919 ± 0.6072
ea19 1342 1342/1342 1342 ± 0 5.835 5.057/6.49 5.803 ± 0.7835
ea20 1342 1342/1342 1342 ± 0 6.181 5.433/6.528 6.075 ± 0.6633
ea21 1342 1342/1342 1342 ± 0 5.703 4.818/5.984 5.486 ± 0.6867
ea22 1342 1342/1342 1342 ± 0.000002807 5.141 4.836/5.99 5.471 ± 0.6686
ea23 1342 1342/1342 1342 ± 0.000006749 5.724 4.899/6.115 5.618 ± 0.7582
ea25 1342 1342/1342 1342 ± 0.00001669 5.45 4.753/5.912 5.382 ± 0.6671
ea26 1342 1342/1342 1342 ± 0 6.113 5.463/6.855 6.139 ± 0.661
ea27 1342 1342/1342 1342 ± 0.00003388 5.375 4.613/5.896 5.309 ± 0.6668
ea28 1342 1342/1342 1342 ± 0.00002792 5.705 4.866/6.14 5.578 ± 0.7353
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 ± 0.00003217 4.767 4.59/5.292 4.891 ± 0.3775
4 1342 1342/1342 1342 ± 0.0000297 4.731 4.5/4.864 4.722 ± 0.3515
5 1342 1342/1342 1342 ± 0.00002753 4.909 4.742/5.098 4.932 ± 0.3252
6 1342 1342/1342 1342 ± 0.00002683 4.857 4.663/5.074 4.88 ± 0.3573
7 1342 1342/1342 1342 ± 0.00002616 4.919 4.706/5.138 4.962 ± 0.3186
8 1342 1342/1342 1342 ± 0.00002568 4.977 4.845/5.113 4.979 ± 0.2941
9 1342 1342/1342 1342 ± 0.00002576 5.221 5.14/5.462 5.252 ± 0.302
10 1342 1342/1342 1342 ± 0.00002634 5.744 5.556/5.855 5.728 ± 0.2964
11 1342 1342/1342 1342 ± 0.00002519 5.986 5.83/6.133 5.941 ± 0.3211
12 1342 1342/1342 1342 ± 0.00002455 6.179 5.918/6.306 6.061 ± 0.417
13 1342 1342/1342 1342 ± 0.00002421 6.598 6.384/6.825 6.554 ± 0.3712
14 1342 1342/1342 1342 ± 0.00002395 6.777 6.625/7.085 6.764 ± 0.4137
15 1342 1342/1342 1342 ± 0.00002371 6.492 6.329/6.787 6.466 ± 0.3962
16 1342 1342/1342 1342 ± 0.00002571 5.92 5.715/6.177 5.893 ± 0.3717
17 1342 1342/1342 1342 ± 0.00002449 5.901 5.708/6.112 5.896 ± 0.3491
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38613115.eb38659596.59111.15011048611_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-02-07 00:37:44.617
End
2025-02-07 01:05:19.186
Duration
0:27:34.568
Note, WebLog generation is not included in the time.

CASA logs for stage 8