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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.498 5.85/6.962 6.411 ± 0.729
ea03 1342 1342/1342 1342 ± 0.00002688 5.858 5.355/6.684 5.986 ± 0.7809
ea04 1342 1342/1342 1342 ± 0 5.725 5.354/6.295 5.891 ± 0.6301
ea05 1342 1342/1342 1342 ± 0 6.049 5.8/7.037 6.31 ± 0.7702
ea06 1342 1342/1342 1342 ± 0 6.403 5.628/6.62 6.223 ± 0.6309
ea07 1342 1342/1342 1342 ± 0 6.156 5.495/6.322 6.074 ± 0.6233
ea08 1342 1342/1342 1342 ± 0.00001734 6.535 5.672/6.957 6.416 ± 0.7325
ea09 1342 1342/1342 1342 ± 0 6.077 5.609/6.859 6.263 ± 0.7612
ea10 1342 1342/1342 1342 ± 0 6.208 5.799/7.029 6.333 ± 0.6877
ea11 1342 1342/1342 1342 ± 0 6.419 5.539/6.934 6.312 ± 0.8181
ea12 1342 1342/1342 1342 ± 0 6.538 5.793/6.867 6.484 ± 0.7161
ea13 1342 1342/1342 1342 ± 0.000008118 5.995 5.912/6.507 6.169 ± 0.5208
ea14 1342 1342/1342 1342 ± 0 6.172 5.791/6.943 6.433 ± 0.6822
ea15 1342 1342/1342 1342 ± 0 5.335 4.77/5.619 5.265 ± 0.5514
ea16 1342 1342/1342 1342 ± 0 6.351 5.795/6.906 6.438 ± 0.7834
ea17 1342 1342/1342 1342 ± 0 6.575 6.019/7.615 6.771 ± 0.785
ea18 1342 1342/1342 1342 ± 0 5.194 4.844/5.637 5.294 ± 0.4978
ea19 1342 1342/1342 1342 ± 0 6.473 6.097/7.331 6.659 ± 0.7435
ea20 1342 1342/1342 1342 ± 0 5.923 5.822/6.989 6.234 ± 0.7199
ea21 1342 1342/1342 1342 ± 0 5.91 5.564/6.656 6.072 ± 0.6209
ea22 1342 1342/1342 1342 ± 0 6.343 5.493/6.693 6.123 ± 0.6898
ea23 1342 1342/1342 1342 ± 0 6.067 5.871/6.936 6.417 ± 0.7695
ea24 1342 1342/1342 1342 ± 0 6.206 5.325/6.587 5.984 ± 0.6301
ea25 1342 1342/1342 1342 ± 0 6.427 5.813/6.805 6.457 ± 0.7603
ea26 1342 1342/1342 1342 ± 0 6.382 5.902/7.139 6.574 ± 0.799
ea27 1342 1342/1342 1342 ± 0 6.047 5.7/7.143 6.337 ± 0.7568
ea28 1342 1342/1342 1342 ± 0 6.175 5.812/7.015 6.416 ± 0.7656
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 ± 0.00002305 5.739 5.472/5.931 5.705 ± 0.341
3 1342 1342/1342 1342 ± 0.00002348 5.416 5.228/5.56 5.383 ± 0.3145
4 1342 1342/1342 1342 ± 0.00003274 5.376 5.111/5.585 5.37 ± 0.3196
5 1342 1342/1342 1342 ± 0.00002305 5.783 5.411/5.877 5.617 ± 0.3736
6 1342 1342/1342 1342 ± 0.00002305 5.684 5.393/5.823 5.598 ± 0.3072
7 1342 1342/1342 1342 ± 0.00002305 5.757 5.494/5.87 5.655 ± 0.3246
8 1342 1342/1342 1342 ± 0.00002305 5.632 5.389/5.879 5.608 ± 0.3672
9 1342 1342/1342 1342 ± 0.00002305 6.042 5.734/6.211 5.924 ± 0.3662
10 1342 1342/1342 1342 ± 0.00002305 6.535 6.249/6.615 6.405 ± 0.3834
11 1342 1342/1342 1342 ± 0.00002305 6.739 6.533/6.939 6.649 ± 0.3978
12 1342 1342/1342 1342 ± 0.00002305 6.883 6.592/7.029 6.802 ± 0.4483
13 1342 1342/1342 1342 ± 0.00002305 7.383 7.041/7.716 7.321 ± 0.4758
14 1342 1342/1342 1342 ± 0.00002305 7.66 7.309/7.858 7.536 ± 0.4671
15 1342 1342/1342 1342 ± 0.00002305 7.167 6.856/7.415 7.089 ± 0.4553
16 1342 1342/1342 1342 ± 0.00002875 6.387 6.028/6.665 6.351 ± 0.4217
17 1342 1342/1342 1342 ± 0.00002462 6.318 6.067/6.555 6.29 ± 0.4167
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-06-07 20:36:47.446
End
2025-06-07 21:57:01.273
Duration
1:20:13.827
Note, WebLog generation is not included in the time.

CASA logs for stage 8