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

Statwt Summary Plot

VLASS2.1.sb38489296.eb38554894.59062.39375707176_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 5.46 5.311/6.213 5.781 ± 0.5421
ea02 1342 1342/1342 1342 ± 0 5.921 5.296/6.288 5.859 ± 0.6022
ea04 1342 1342/1342 1342 ± 0 5.723 5.268/6.16 5.779 ± 0.563
ea05 1342 1342/1342 1342 ± 0 6.008 5.331/6.587 5.988 ± 0.6426
ea06 1342 1342/1342 1342 ± 0 3.515 3.192/3.57 3.386 ± 0.2175
ea07 1342 1342/1342 1342 ± 0 5.446 5.435/5.568 5.493 ± 0.1441
ea08 1342 1342/1342 1342 ± 0.000001764 6.355 5.801/7.082 6.526 ± 0.7471
ea09 1342 1342/1342 1342 ± 0 5.111 4.706/5.287 5.045 ± 0.366
ea10 1342 1342/1342 1342 ± 0.00003913 5.718 5.401/6.634 6.023 ± 0.6505
ea11 1342 1342/1342 1342 ± 0 5.788 5.416/6.573 6.016 ± 0.715
ea12 1342 1342/1342 1342 ± 0 5.699 5.52/6.467 6.019 ± 0.6247
ea13 1342 1342/1342 1342 ± 0 6.193 5.606/6.563 6.144 ± 0.5163
ea14 1342 1342/1342 1342 ± 0 5.474 5.34/6.407 5.868 ± 0.6351
ea15 1342 1342/1342 1342 ± 0 5.855 5.359/6.287 5.952 ± 0.5909
ea16 1342 1342/1342 1342 ± 0 4.847 4.684/5.323 4.99 ± 0.4798
ea17 1342 1342/1342 1342 ± 0.00004279 6.077 5.648/6.861 6.296 ± 0.7268
ea18 1342 1342/1342 1342 ± 0 5.072 4.965/5.865 5.377 ± 0.5211
ea19 1342 1342/1342 1342 ± 0 6.73 6.257/7.004 6.687 ± 0.481
ea20 1342 1342/1342 1342 ± 0 5.843 5.731/6.713 6.213 ± 0.6705
ea21 1342 1342/1342 1342 ± 0 5.679 5.356/6.338 5.887 ± 0.6096
ea22 1342 1342/1342 1342 ± 0 5.849 5.665/6.015 5.786 ± 0.4587
ea23 1342 1342/1342 1342 ± 0.00001299 5.823 5.327/6.497 6.009 ± 0.7554
ea25 1342 1342/1342 1342 ± 0.0000265 5.242 5.131/5.354 5.014 ± 0.617
ea26 1342 1342/1342 1342 ± 0 6.423 5.479/6.689 6.253 ± 0.6302
ea27 1342 1342/1342 1342 ± 0.00004187 5.676 5.553/6.559 5.963 ± 0.5917
ea28 1342 1342/1342 1342 ± 0.0000331 6.572 6.09/6.846 6.444 ± 0.6131
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 ± 0.00002491 5.297 5.112/5.456 5.251 ± 0.3044
5 1342 1342/1342 1342 ± 0.000026 5.408 5.209/5.584 5.398 ± 0.264
6 1342 1342/1342 1342 ± 0.00002529 5.406 5.142/5.554 5.349 ± 0.3083
7 1342 1342/1342 1342 ± 0.00002529 5.374 5.264/5.517 5.346 ± 0.2854
8 1342 1342/1342 1342 ± 0.00002529 5.328 5.16/5.442 5.296 ± 0.326
9 1342 1342/1342 1342 ± 0.00002999 5.572 5.308/5.787 5.48 ± 0.4812
10 1342 1342/1342 1342 ± 0.0000244 6.091 5.849/6.27 5.919 ± 0.6577
11 1342 1342/1342 1342 ± 0.00002428 6.289 6.041/6.571 6.087 ± 0.813
12 1342 1342/1342 1342 ± 0.0000244 6.443 6.164/6.626 6.266 ± 0.7367
13 1342 1342/1342 1342 ± 0.00002428 6.811 6.613/7.127 6.635 ± 0.8186
14 1342 1342/1342 1342 ± 0.00002428 7.014 6.766/7.27 6.8 ± 0.8292
15 1342 1342/1342 1342 ± 0.00002465 6.569 6.347/6.777 6.433 ± 0.5735
16 1342 1342/1342 1342 ± 0.00004817 5.401 5.221/5.737 5.414 ± 0.6147
17 1342 1342/1342 1342 ± 0.0000442 5.658 5.425/5.986 5.635 ± 0.4886
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38489296.eb38554894.59062.39375707176_split_split.ms
Start time
2025-02-01 02:21:32.559
End
2025-02-01 03:25:33.325
Duration
1:04:00.766
Note, WebLog generation is not included in the time.

CASA logs for stage 8