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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.389 5.037/5.858 5.53 ± 0.5458
ea02 1342 1342/1342 1342 ± 0 5.476 5.268/6.318 5.815 ± 0.6369
ea04 1342 1342/1342 1342 ± 0 5.264 4.991/5.861 5.44 ± 0.5674
ea05 1342 1342/1342 1342 ± 0 5.473 5.096/5.991 5.583 ± 0.5868
ea06 1342 1342/1342 1342 ± 0 4.998 4.608/5.497 5.074 ± 0.5142
ea07 1342 1342/1342 1342 ± 0 5.777 5.244/6.075 5.79 ± 0.5816
ea08 1342 1342/1342 1342 ± 0 5.482 5.352/6.429 5.894 ± 0.6686
ea09 1342 1342/1342 1342 ± 0 5.5 5.097/6.141 5.594 ± 0.6423
ea10 1342 1342/1342 1342 ± 0 5.774 5.105/6.383 5.745 ± 0.6905
ea11 1342 1342/1342 1342 ± 0 5.614 4.987/6.158 5.628 ± 0.6746
ea12 1342 1342/1342 1342 ± 0 5.589 5.185/6.229 5.765 ± 0.6504
ea13 1342 1342/1342 1342 ± 0 5.863 5.578/6.209 5.969 ± 0.5208
ea14 1342 1342/1342 1342 ± 0 5.614 5.1/6.202 5.692 ± 0.6821
ea15 1342 1342/1342 1342 ± 0 5.416 4.961/6.132 5.58 ± 0.6872
ea16 1342 1342/1342 1342 ± 0 5.939 5.479/6.613 6.097 ± 0.7334
ea17 1342 1342/1342 1342 ± 0 5.755 5.387/6.301 5.896 ± 0.6282
ea18 1342 1342/1342 1342 ± 0 4.826 4.566/5.307 4.956 ± 0.5174
ea19 1342 1342/1342 1342 ± 0 5.797 5.396/6.542 6.004 ± 0.6561
ea20 1342 1342/1342 1342 ± 0 5.937 5.598/6.633 6.101 ± 0.6675
ea21 1342 1342/1342 1342 ± 0 5.539 5.208/6.059 5.661 ± 0.5654
ea22 1342 1342/1342 1342 ± 0 5.373 5.062/6.065 5.565 ± 0.6676
ea23 1342 1342/1342 1342 ± 0 5.827 5.239/6.271 5.885 ± 0.7028
ea25 1342 1342/1342 1342 ± 0 5.353 5.058/5.9 5.492 ± 0.5616
ea26 1342 1342/1342 1342 ± 0 5.901 5.484/6.747 6.024 ± 0.6597
ea27 1342 1342/1342 1342 ± 0.00001012 5.41 5.01/6.18 5.582 ± 0.5955
ea28 1342 1342/1342 1342 ± 0.00002363 5.481 5.24/6.239 5.708 ± 0.6496
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 5.145 5.016/5.42 5.185 ± 0.2511
3 1342 1342/1342 1342 ± 0.00002348 5.149 4.934/5.318 5.123 ± 0.2696
4 1342 1342/1342 1342 ± 0.00002381 5.05 4.78/5.228 4.982 ± 0.3227
5 1342 1342/1342 1342 ± 0.00002348 5.084 4.872/5.241 5.075 ± 0.2887
6 1342 1342/1342 1342 ± 0.00002348 5.13 4.959/5.349 5.127 ± 0.2845
7 1342 1342/1342 1342 ± 0.00002348 5.202 5.048/5.353 5.191 ± 0.2561
8 1342 1342/1342 1342 ± 0.00002348 5.225 4.952/5.316 5.152 ± 0.2738
9 1342 1342/1342 1342 ± 0.00002348 5.455 5.272/5.694 5.442 ± 0.3073
10 1342 1342/1342 1342 ± 0.00002348 5.887 5.687/6.059 5.857 ± 0.2999
11 1342 1342/1342 1342 ± 0.00002348 6.149 5.918/6.267 6.073 ± 0.3053
12 1342 1342/1342 1342 ± 0.00002348 6.221 6.013/6.442 6.167 ± 0.4471
13 1342 1342/1342 1342 ± 0.00002348 6.674 6.573/6.827 6.667 ± 0.3402
14 1342 1342/1342 1342 ± 0.00002348 6.891 6.679/7.086 6.855 ± 0.3667
15 1342 1342/1342 1342 ± 0.00002348 6.589 6.344/6.796 6.514 ± 0.3576
16 1342 1342/1342 1342 ± 0.00002741 5.829 5.519/6.108 5.833 ± 0.3667
17 1342 1342/1342 1342 ± 0.0000271 5.88 5.513/6.134 5.848 ± 0.3635
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
Start time
2025-01-08 12:11:55.389
End
2025-01-08 13:20:13.787
Duration
1:08:18.398
Note, WebLog generation is not included in the time.

CASA logs for stage 8