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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.44 5.19/5.805 5.574 ± 0.5171
ea02 1342 1342/1342 1342 ± 0 5.728 5.325/6.326 5.879 ± 0.6375
ea04 1342 1342/1342 1342 ± 0 5.554 5.17/6.09 5.698 ± 0.5497
ea05 1342 1342/1342 1342 ± 0 5.595 5.251/6.11 5.712 ± 0.565
ea06 1342 1342/1342 1342 ± 0 4.912 4.698/5.321 5.012 ± 0.3616
ea07 1342 1342/1342 1342 ± 0 5.911 5.345/6.098 5.881 ± 0.5597
ea08 1342 1342/1342 1342 ± 0 5.676 5.432/6.519 5.954 ± 0.6903
ea09 1342 1342/1342 1342 ± 0 5.685 5.185/6.36 5.737 ± 0.5944
ea10 1342 1342/1342 1342 ± 0 5.79 5.221/6.405 5.819 ± 0.6518
ea11 1342 1342/1342 1342 ± 0 5.771 5.063/6.182 5.718 ± 0.6442
ea12 1342 1342/1342 1342 ± 0 5.887 5.312/6.345 5.925 ± 0.6278
ea13 1342 1342/1342 1342 ± 0 6.094 5.717/6.321 6.114 ± 0.5125
ea14 1342 1342/1342 1342 ± 0 5.894 5.198/6.313 5.835 ± 0.6595
ea15 1342 1342/1342 1342 ± 0 5.707 5.239/6.308 5.836 ± 0.6726
ea16 1342 1342/1342 1342 ± 0 6.089 5.602/6.636 6.202 ± 0.7095
ea17 1342 1342/1342 1342 ± 0.00001154 5.868 5.389/6.68 6.003 ± 0.6351
ea18 1342 1342/1342 1342 ± 0 5.062 4.677/5.485 5.121 ± 0.4967
ea19 1342 1342/1342 1342 ± 0 6.034 5.444/6.529 6.061 ± 0.6035
ea20 1342 1342/1342 1342 ± 0 5.969 5.597/6.587 6.092 ± 0.6325
ea21 1342 1342/1342 1342 ± 0 5.669 5.279/6.164 5.76 ± 0.5378
ea22 1342 1342/1342 1342 ± 0 5.505 5.224/6.305 5.741 ± 0.6755
ea23 1342 1342/1342 1342 ± 0 6.073 5.39/6.458 5.994 ± 0.6656
ea25 1342 1342/1342 1342 ± 0 5.568 5.088/6.035 5.583 ± 0.5769
ea26 1342 1342/1342 1342 ± 0 5.932 5.651/6.635 6.076 ± 0.687
ea27 1342 1342/1342 1342 ± 0.00002315 5.538 5.28/6.258 5.699 ± 0.5755
ea28 1342 1342/1342 1342 ± 0.00001848 5.509 5.303/6.282 5.769 ± 0.63
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 5.317 5.166/5.54 5.322 ± 0.2571
3 1342 1342/1342 1342 ± 0.00002364 5.068 4.816/5.287 5.053 ± 0.287
4 1342 1342/1342 1342 ± 0.00003512 5.057 4.986/5.121 5.035 ± 0.1655
5 1342 1342/1342 1342 ± 0.00002348 5.315 5.086/5.431 5.286 ± 0.282
6 1342 1342/1342 1342 ± 0.00002348 5.285 5.145/5.439 5.26 ± 0.283
7 1342 1342/1342 1342 ± 0.00002348 5.29 5.196/5.414 5.289 ± 0.249
8 1342 1342/1342 1342 ± 0.00002348 5.285 5.138/5.376 5.249 ± 0.2552
9 1342 1342/1342 1342 ± 0.00002348 5.552 5.371/5.752 5.516 ± 0.2955
10 1342 1342/1342 1342 ± 0.00002348 5.94 5.828/6.09 5.931 ± 0.2959
11 1342 1342/1342 1342 ± 0.00002348 6.214 6.03/6.322 6.145 ± 0.3122
12 1342 1342/1342 1342 ± 0.00002348 6.321 6.169/6.465 6.281 ± 0.3267
13 1342 1342/1342 1342 ± 0.00002348 6.745 6.615/6.911 6.721 ± 0.3488
14 1342 1342/1342 1342 ± 0.00002348 6.966 6.747/7.174 6.926 ± 0.386
15 1342 1342/1342 1342 ± 0.00002348 6.66 6.36/6.757 6.542 ± 0.3904
16 1342 1342/1342 1342 ± 0.0000281 5.879 5.58/6.252 5.886 ± 0.3698
17 1342 1342/1342 1342 ± 0.00002913 5.847 5.67/6.205 5.898 ± 0.347
overwrite_modelcol
False
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
Start time
2024-05-01 09:08:49.460
End
2024-05-01 09:58:01.004
Duration
0:49:11.544
Note, WebLog generation is not included in the time.

CASA logs for stage 7