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 5.521 5.371/6.257 5.653 ± 0.7763
ea02 1342 1342/1342 1342 ± 0.00002258 5.439 5.187/6.321 5.592 ± 0.7729
ea03 1342 1342/1342 1342 ± 0 5.153 4.989/5.892 5.433 ± 0.5885
ea04 1342 1342/1342 1342 ± 0.00004016 5.099 4.808/5.897 5.174 ± 0.6752
ea05 1342 1342/1342 1342 ± 0.0000433 5.28 4.997/6.222 5.424 ± 0.811
ea06 1342 1342/1342 1342 ± 0.000001873 5.237 4.757/5.845 5.2 ± 0.6113
ea07 1342 1342/1342 1342 ± 0.00002836 5.088 4.878/6.11 5.385 ± 0.7605
ea08 1342 1342/1342 1342 ± 0.000003929 5.519 5.268/6.646 5.698 ± 0.8823
ea09 1342 1342/1342 1342 ± 0.00002999 5.137 4.903/5.448 5.266 ± 0.6124
ea10 1342 1342/1342 1342 ± 0.00003785 4.485 4.251/4.887 4.45 ± 0.4867
ea11 1342 1342/1342 1342 ± 0.00004597 5.555 4.958/6.37 5.514 ± 0.9048
ea12 1342 1342/1342 1342 ± 0.00003285 5.065 4.782/5.755 5.098 ± 0.6883
ea14 1342 1342/1342 1342 ± 0.00004163 5.416 5.15/6.36 5.539 ± 0.7699
ea15 1342 1342/1342 1342 ± 0.00004443 5.383 5.329/6.253 5.595 ± 0.8398
ea16 1342 1342/1342 1342 ± 0 5.604 5.118/6.235 5.608 ± 0.7266
ea17 1342 1342/1342 1342 ± 0.00003371 5.635 5.186/6.52 5.756 ± 0.8714
ea18 1342 1342/1342 1342 ± 0.00001443 5.618 5.297/6.508 5.68 ± 0.8731
ea19 1342 1342/1342 1342 ± 0.00001237 5.321 5.063/6.201 5.422 ± 0.7407
ea20 1342 1342/1342 1342 ± 0.00000131 5.81 5.543/6.756 6.108 ± 0.6943
ea21 1342 1342/1342 1342 ± 0 4.745 4.582/5.434 4.947 ± 0.5
ea22 1342 1342/1342 1342 ± 0.000007398 5.443 5.026/6.251 5.477 ± 0.7919
ea23 1342 1342/1342 1342 ± 0.00003874 5.558 5.037/6.35 5.594 ± 0.813
ea24 1342 1342/1342 1342 ± 0 5.233 4.934/6.183 5.528 ± 0.6795
ea25 1342 1342/1342 1342 ± 0 5.573 5.125/6.393 5.749 ± 0.6954
ea27 1342 1342/1342 1342 ± 0 5.101 4.912/6.122 5.266 ± 0.7303
ea28 1342 1342/1342 1342 ± 0 5.789 5.621/6.696 6.093 ± 0.6649
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 ± 0.00002348 5.176 4.916/5.329 5.134 ± 0.2971
5 1342 1342/1342 1342 ± 0.00002364 5.017 4.895/5.317 5.066 ± 0.3311
6 1342 1342/1342 1342 ± 0.00002348 5.084 4.925/5.419 5.124 ± 0.3156
7 1342 1342/1342 1342 ± 0.00002348 5.172 5.013/5.382 5.189 ± 0.3058
8 1342 1342/1342 1342 ± 0.00002348 5.131 4.967/5.382 5.176 ± 0.3474
9 1342 1342/1342 1342 ± 0.00002348 5.543 5.209/5.809 5.486 ± 0.3553
10 1342 1342/1342 1342 ± 0.00002348 5.984 5.752/6.142 5.921 ± 0.3599
11 1342 1342/1342 1342 ± 0.00002348 6.235 6.104/6.52 6.204 ± 0.3767
12 1342 1342/1342 1342 ± 0.00002348 6.439 6.199/6.567 6.355 ± 0.4386
13 1342 1342/1342 1342 ± 0.00002361 6.646 6.459/6.883 6.617 ± 0.5272
14 1342 1342/1342 1342 ± 0.0000304 5.299 5.056/5.654 5.508 ± 0.7105
15 1342 1342/1342 1342 ± 0.00002348 6.271 5.983/6.571 6.2 ± 0.5252
16 1342 1342/1342 1342 ± 0.00005904 4.268 4.08/4.489 4.391 ± 0.5091
17 1342 1342/1342 1342 ± 0.00005911 4.167 4.001/4.389 4.27 ± 0.4211
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-23 13:06:53.539
End
2025-07-23 13:50:54.155
Duration
0:44:00.616
Note, WebLog generation is not included in the time.

CASA logs for stage 8