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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.326 5.833/6.707 6.364 ± 0.6542
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00003162 5.807 5.459/6.221 5.933 ± 0.5716
ea06 1342 1342/1342 1342 ± 0 5.948 5.662/6.414 6.052 ± 0.5559
ea07 1342 1342/1342 1342 ± 0.000001306 6.087 5.681/6.238 6.123 ± 0.5441
ea08 1342 1342/1342 1342 ± 0.00001507 6.228 5.88/6.837 6.379 ± 0.6203
ea09 1342 1342/1342 1342 ± 0 6.12 5.592/6.741 6.2 ± 0.633
ea10 1342 1342/1342 1342 ± 0 6.057 5.65/6.894 6.227 ± 0.6696
ea11 1342 1342/1342 1342 ± 0 5.995 5.741/6.547 6.159 ± 0.6048
ea12 1342 1342/1342 1342 ± 0 6.257 5.792/6.687 6.299 ± 0.6243
ea13 1342 1342/1342 1342 ± 0.000004949 5.812 5.679/6.234 5.925 ± 0.5365
ea14 1342 1342/1342 1342 ± 0 6.288 5.985/6.966 6.502 ± 0.6577
ea15 1342 1342/1342 1342 ± 0 5.673 5.338/6.076 5.75 ± 0.5477
ea16 1342 1342/1342 1342 ± 0.000001306 6.367 5.935/6.887 6.484 ± 0.6828
ea17 1342 1342/1342 1342 ± 0 6.437 6.115/7.32 6.677 ± 0.6385
ea18 1342 1342/1342 1342 ± 0 5.095 4.739/5.547 5.17 ± 0.5244
ea19 1342 1342/1342 1342 ± 0 6.414 6.199/7.243 6.64 ± 0.6993
ea20 1342 1342/1342 1342 ± 0 6.011 5.823/6.926 6.286 ± 0.6249
ea21 1342 1342/1342 1342 ± 0 5.978 5.748/6.593 6.223 ± 0.5732
ea22 1342 1342/1342 1342 ± 0 6.249 5.575/6.496 6.104 ± 0.6395
ea23 1342 1342/1342 1342 ± 0 6.22 6.022/6.872 6.494 ± 0.6481
ea24 1342 1342/1342 1342 ± 0 6.066 5.263/6.505 5.919 ± 0.5863
ea26 1342 1342/1342 1342 ± 0 6.349 5.925/7.082 6.49 ± 0.6975
ea27 1342 1342/1342 1342 ± 0 6.102 5.881/7.068 6.394 ± 0.6985
ea28 1342 1342/1342 1342 ± 0 6.021 5.895/6.911 6.373 ± 0.7238
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 ± 0.00002439 5.872 5.635/6.041 5.807 ± 0.3465
4 1342 1342/1342 1342 ± 0.00003184 5.272 5.111/5.444 5.248 ± 0.3911
5 1342 1342/1342 1342 ± 0.00002439 5.828 5.579/5.99 5.747 ± 0.3785
6 1342 1342/1342 1342 ± 0.00002439 5.713 5.461/5.879 5.658 ± 0.2959
7 1342 1342/1342 1342 ± 0.00002439 5.738 5.414/5.941 5.691 ± 0.3229
8 1342 1342/1342 1342 ± 0.00002439 5.613 5.322/5.82 5.596 ± 0.3472
9 1342 1342/1342 1342 ± 0.00002439 5.975 5.624/6.145 5.866 ± 0.3505
10 1342 1342/1342 1342 ± 0.00002439 6.358 6.163/6.56 6.289 ± 0.3502
11 1342 1342/1342 1342 ± 0.00002439 6.543 6.353/6.807 6.517 ± 0.3771
12 1342 1342/1342 1342 ± 0.00002439 6.701 6.392/6.921 6.654 ± 0.4049
13 1342 1342/1342 1342 ± 0.00002439 7.14 6.861/7.484 7.131 ± 0.4321
14 1342 1342/1342 1342 ± 0.00002439 7.341 7.121/7.706 7.367 ± 0.4191
15 1342 1342/1342 1342 ± 0.00002439 7.064 6.661/7.36 7.026 ± 0.4223
16 1342 1342/1342 1342 ± 0.00002439 6.155 5.935/6.464 6.176 ± 0.3955
17 1342 1342/1342 1342 ± 0.00002756 6.15 5.803/6.259 6.058 ± 0.3773
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
Start time
2025-04-18 15:49:36.477
End
2025-04-18 16:36:47.893
Duration
0:47:11.416
Note, WebLog generation is not included in the time.

CASA logs for stage 8