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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.959 5.101/6.419 5.752 ± 0.7414
ea02 1342 1342/1342 1342 ± 0.0000404 5.859 5.056/6.31 5.744 ± 0.6844
ea03 1342 1342/1342 1342 ± 0.00001677 5.684 4.926/6.347 5.638 ± 0.785
ea04 1342 1342/1342 1342 ± 0.00004057 5.015 4.822/5.878 5.325 ± 0.6299
ea05 1342 1342/1342 1342 ± 0.00004223 5.686 4.858/6.508 5.65 ± 0.7741
ea06 1342 1342/1342 1342 ± 0.00001149 5.722 4.468/5.845 5.324 ± 0.7997
ea07 1342 1342/1342 1342 ± 0.00004009 5.716 4.848/6.151 5.542 ± 0.7388
ea08 1342 1342/1342 1342 ± 0.00003787 6.072 5.247/6.598 5.886 ± 0.7679
ea09 1342 1342/1342 1342 ± 0.00004073 4.944 4.777/6.042 5.326 ± 0.7085
ea10 1342 1342/1342 1342 ± 0.00004267 4.324 4.105/4.852 4.417 ± 0.3509
ea11 1342 1342/1342 1342 ± 0.00004149 5.322 4.783/6.464 5.62 ± 0.9741
ea12 1342 1342/1342 1342 ± 0.00003952 4.97 4.659/5.908 5.303 ± 0.663
ea14 1342 1342/1342 1342 ± 0.00004207 5.905 5.26/6.426 5.832 ± 0.6963
ea15 1342 1342/1342 1342 ± 0.00004259 5.882 5.112/6.375 5.849 ± 0.7993
ea16 1342 1342/1342 1342 ± 0.00001684 5.906 5.057/6.458 5.834 ± 0.842
ea17 1342 1342/1342 1342 ± 0.00004104 5.984 5.227/6.577 5.942 ± 0.7677
ea18 1342 1342/1342 1342 ± 0.00003979 5.697 5.239/6.548 5.906 ± 0.7318
ea19 1342 1342/1342 1342 ± 0.00003105 5.748 5.004/6.321 5.658 ± 0.7223
ea20 1342 1342/1342 1342 ± 0.00002377 6.035 5.444/6.875 6.119 ± 0.8319
ea21 1342 1342/1342 1342 ± 0.000009584 5.225 4.544/5.458 5.066 ± 0.5722
ea22 1342 1342/1342 1342 ± 0.00003855 5.277 4.934/6.264 5.628 ± 0.6928
ea23 1342 1342/1342 1342 ± 0.00004034 5.879 5.126/6.358 5.805 ± 0.7492
ea24 1342 1342/1342 1342 ± 0.000006636 5.702 4.775/6.174 5.487 ± 0.6811
ea25 1342 1342/1342 1342 ± 0.000005431 5.986 5.051/6.482 5.855 ± 0.9054
ea27 1342 1342/1342 1342 ± 0.00001486 5.735 4.855/6.234 5.585 ± 0.7131
ea28 1342 1342/1342 1342 ± 0.0000157 6.026 5.398/6.753 6.021 ± 0.7323
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 ± 0.00002442 4.856 4.628/5.044 4.833 ± 0.3309
6 1342 1342/1342 1342 ± 0.00002964 4.821 4.46/5.087 4.788 ± 0.3379
7 1342 1342/1342 1342 ± 0.00002442 4.963 4.83/5.244 4.978 ± 0.3183
8 1342 1342/1342 1342 ± 0.00002442 5.014 4.825/5.297 5.022 ± 0.3707
9 1342 1342/1342 1342 ± 0.00002525 5.138 4.918/5.446 5.142 ± 0.3801
10 1342 1342/1342 1342 ± 0.00002411 5.937 5.712/6.134 5.867 ± 0.3591
11 1342 1342/1342 1342 ± 0.00002411 6.196 6.034/6.384 6.128 ± 0.3802
12 1342 1342/1342 1342 ± 0.00002411 6.351 6.154/6.478 6.276 ± 0.4334
13 1342 1342/1342 1342 ± 0.00002428 6.801 6.475/7.064 6.726 ± 0.4716
14 1342 1342/1342 1342 ± 0.00002428 6.635 6.421/6.967 6.638 ± 0.5363
15 1342 1342/1342 1342 ± 0.00004791 6.02 5.803/6.219 5.998 ± 0.4521
16 1342 1342/1342 1342 ± 0.00005754 4.739 4.617/4.897 4.751 ± 0.2531
17 1342 1342/1342 1342 ± 0.00005816 4.825 4.658/4.986 4.809 ± 0.2568
output_dir
 
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-23 10:19:59.510
End
2025-07-23 11:16:20.427
Duration
0:56:20.917
Note, WebLog generation is not included in the time.

CASA logs for stage 8