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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.702 5.653/6.488 6.05 ± 0.6536
ea02 1342 1342/1342 1342 ± 0.0000415 6.123 5.752/6.939 6.359 ± 0.7187
ea03 1342 1342/1342 1342 ± 0 5.793 5.052/6.291 5.712 ± 0.6517
ea04 1342 1342/1342 1342 ± 0 5.896 5.42/6.599 5.97 ± 0.6697
ea05 1342 1342/1342 1342 ± 0 6.285 5.73/6.886 6.188 ± 0.7436
ea06 1342 1342/1342 1342 ± 0 5.153 4.972/5.523 5.214 ± 0.3869
ea07 1342 1342/1342 1342 ± 0 6.234 5.818/6.681 6.351 ± 0.7348
ea08 1342 1342/1342 1342 ± 0.000006218 6.162 5.853/7.113 6.462 ± 0.7747
ea09 1342 1342/1342 1342 ± 0 6.068 5.505/6.798 6.098 ± 0.7271
ea10 1342 1342/1342 1342 ± 0 6.234 5.664/7.072 6.313 ± 0.7542
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.285 5.632/6.784 6.281 ± 0.7766
ea13 1342 1342/1342 1342 ± 0 6.527 6.059/6.645 6.417 ± 0.6419
ea14 1342 1342/1342 1342 ± 0 6.113 5.57/6.737 6.142 ± 0.7297
ea15 1342 1342/1342 1342 ± 0 6.349 5.739/6.887 6.387 ± 0.7758
ea16 1342 1342/1342 1342 ± 0 6.408 5.963/7.098 6.465 ± 0.8206
ea17 1342 1342/1342 1342 ± 0 6.585 6.196/7.593 6.816 ± 0.728
ea18 1342 1342/1342 1342 ± 0 5.339 4.91/5.819 5.376 ± 0.5831
ea19 1342 1342/1342 1342 ± 0 6.358 5.695/6.928 6.282 ± 0.6831
ea20 1342 1342/1342 1342 ± 0 6.42 5.695/6.933 6.293 ± 0.7544
ea21 1342 1342/1342 1342 ± 0 5.916 5.712/6.727 6.149 ± 0.6751
ea22 1342 1342/1342 1342 ± 0 5.844 5.506/6.532 5.992 ± 0.6354
ea23 1342 1342/1342 1342 ± 0 6.169 5.743/6.963 6.342 ± 0.8099
ea24 1342 1342/1342 1342 ± 0.000007288 6.121 5.798/6.979 6.291 ± 0.7375
ea25 1342 1342/1342 1342 ± 0 5.959 5.567/6.633 6.08 ± 0.6698
ea26 1342 1342/1342 1342 ± 0 6.633 6.169/7.419 6.766 ± 0.6926
ea27 1342 1342/1342 1342 ± 0 5.92 5.648/6.878 6.165 ± 0.7025
ea28 1342 1342/1342 1342 ± 0 5.764 5.555/6.628 6.041 ± 0.7011
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 ± 0.00002341 5.657 5.441/5.82 5.586 ± 0.3093
4 1342 1342/1342 1342 ± 0.00002566 4.903 4.747/4.968 4.864 ± 0.218
5 1342 1342/1342 1342 ± 0.00002341 5.715 5.498/5.89 5.679 ± 0.3748
6 1342 1342/1342 1342 ± 0.00002341 5.668 5.49/5.869 5.632 ± 0.341
7 1342 1342/1342 1342 ± 0.00002341 5.703 5.565/5.802 5.661 ± 0.3145
8 1342 1342/1342 1342 ± 0.00002341 5.615 5.483/5.779 5.583 ± 0.3483
9 1342 1342/1342 1342 ± 0.00002341 5.9 5.658/6.235 5.867 ± 0.3842
10 1342 1342/1342 1342 ± 0.00002341 6.417 6.21/6.625 6.358 ± 0.3673
11 1342 1342/1342 1342 ± 0.00002341 6.643 6.458/6.814 6.588 ± 0.3857
12 1342 1342/1342 1342 ± 0.00002341 6.792 6.624/6.967 6.757 ± 0.4256
13 1342 1342/1342 1342 ± 0.00002341 7.269 7.158/7.412 7.221 ± 0.4553
14 1342 1342/1342 1342 ± 0.00002341 7.482 7.285/7.767 7.429 ± 0.4987
15 1342 1342/1342 1342 ± 0.00002341 6.988 6.832/7.314 6.985 ± 0.4712
16 1342 1342/1342 1342 ± 0.00002467 6.145 5.947/6.517 6.187 ± 0.3662
17 1342 1342/1342 1342 ± 0.00002408 6.214 6.065/6.484 6.221 ± 0.3735
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
Start time
2025-01-30 03:16:13.454
End
2025-01-30 03:51:08.664
Duration
0:34:55.210
Note, WebLog generation is not included in the time.

CASA logs for stage 8