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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.534 5/6.275 5.46 ± 1.079
ea02 1342 1342/1342 1342 ± 0.00003563 5.585 5.283/6.448 5.593 ± 0.9968
ea03 1342 1342/1342 1342 ± 0.000004721 5.406 5.337/6.496 5.737 ± 0.8248
ea04 1342 1342/1342 1342 ± 0.00004571 5.199 5.026/6.066 5.259 ± 0.7962
ea05 1342 1342/1342 1342 ± 0.00005112 5.362 4.874/6.486 5.424 ± 1.043
ea06 1342 1342/1342 1342 ± 0.00002753 5.167 4.816/6.076 5.258 ± 0.8762
ea07 1342 1342/1342 1342 ± 0.00004209 5.232 5.042/6.33 5.429 ± 1.011
ea08 1342 1342/1342 1342 ± 0.0000127 5.797 5.534/6.828 5.856 ± 1.047
ea09 1342 1342/1342 1342 ± 0.00004898 5.136 4.715/6.121 5.152 ± 0.929
ea10 1342 1342/1342 1342 ± 0.0000488 5.052 4.67/5.954 5.039 ± 0.9037
ea11 1342 1342/1342 1342 ± 0.00005203 5.191 4.519/6.112 5.045 ± 1.043
ea13 1342 1342/1342 1342 ± 0.00002966 5.208 5.088/6.049 5.309 ± 0.677
ea14 1342 1342/1342 1342 ± 0.0000503 5.499 5.222/6.555 5.542 ± 1.033
ea15 1342 1342/1342 1342 ± 0.00005036 5.534 4.938/6.648 5.539 ± 1.092
ea16 1342 1342/1342 1342 ± 0.00002596 5.81 5.394/6.583 5.808 ± 1.029
ea17 1342 1342/1342 1342 ± 0.00004282 5.752 5.33/6.674 5.731 ± 1.15
ea18 1342 1342/1342 1342 ± 0.0000106 5.847 5.579/6.863 5.962 ± 1.024
ea19 1342 1342/1342 1342 ± 0.00004506 5.504 5.329/6.455 5.505 ± 1.001
ea20 1342 1342/1342 1342 ± 0.00004114 5.328 5.138/6.08 5.368 ± 0.8132
ea21 1342 1342/1342 1342 ± 0.000008059 5.062 4.885/5.808 5.217 ± 0.6634
ea22 1342 1342/1342 1342 ± 0.00002476 5.689 5.28/6.568 5.691 ± 0.9999
ea23 1342 1342/1342 1342 ± 0.00004926 5.654 5.106/6.412 5.546 ± 1.037
ea24 1342 1342/1342 1342 ± 0.00001723 4.937 4.759/5.77 5.246 ± 0.6923
ea25 1342 1342/1342 1342 ± 0.00001309 5.723 5.387/6.959 6.048 ± 0.99
ea27 1342 1342/1342 1342 ± 0.00001914 5.283 5.069/6.491 5.438 ± 0.9759
ea28 1342 1342/1342 1342 ± 0.000003704 5.554 5.456/6.563 5.717 ± 0.8157
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 ± 0.00002349 5.264 5.07/5.419 5.221 ± 0.2744
5 1342 1342/1342 1342 ± 0.00003125 5.135 4.852/5.48 5.164 ± 0.3981
6 1342 1342/1342 1342 ± 0.00002349 5.28 5.051/5.51 5.266 ± 0.2867
7 1342 1342/1342 1342 ± 0.00002349 5.322 5.149/5.507 5.287 ± 0.2654
8 1342 1342/1342 1342 ± 0.00002349 5.337 5.101/5.509 5.296 ± 0.285
9 1342 1342/1342 1342 ± 0.00002349 5.494 5.222/5.768 5.5 ± 0.3109
10 1342 1342/1342 1342 ± 0.00002392 6.092 6.008/6.308 6.12 ± 0.2752
11 1342 1342/1342 1342 ± 0.00002348 6.45 6.122/6.577 6.393 ± 0.2706
12 1342 1342/1342 1342 ± 0.00002348 6.616 6.38/6.82 6.558 ± 0.3239
13 1342 1342/1342 1342 ± 0.00002378 6.698 6.342/6.976 6.681 ± 0.4226
14 1342 1342/1342 1342 ± 0.0000577 5.122 4.777/5.696 5.31 ± 0.7477
15 1342 1342/1342 1342 ± 0.00002348 6.714 6.171/7.081 6.651 ± 0.5073
16 1342 1342/1342 1342 ± 0.00005995 3.677 3.513/4.004 3.795 ± 0.4204
17 1342 1342/1342 1342 ± 0.00006041 3.648 3.421/3.939 3.692 ± 0.3688
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
Start time
2025-07-19 13:02:29.180
End
2025-07-19 13:53:21.425
Duration
0:50:52.245
Note, WebLog generation is not included in the time.

CASA logs for stage 8