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 6.122 5.665/6.719 6.236 ± 0.6628
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.000009433 5.855 5.425/6.525 5.987 ± 0.6435
ea06 1342 1342/1342 1342 ± 0 6.128 5.538/6.569 6.095 ± 0.6508
ea07 1342 1342/1342 1342 ± 0 6.153 5.571/6.394 6.105 ± 0.5918
ea08 1342 1342/1342 1342 ± 0.000002943 6.1 5.656/6.824 6.302 ± 0.662
ea09 1342 1342/1342 1342 ± 0 6.03 5.527/6.763 6.129 ± 0.6802
ea10 1342 1342/1342 1342 ± 0.000002081 6.209 5.721/6.973 6.324 ± 0.6508
ea11 1342 1342/1342 1342 ± 0 6.059 5.497/6.654 6.137 ± 0.6908
ea12 1342 1342/1342 1342 ± 0 6.313 5.763/6.729 6.326 ± 0.6387
ea13 1342 1342/1342 1342 ± 0 5.791 5.535/6.345 5.965 ± 0.5208
ea14 1342 1342/1342 1342 ± 0 6.511 5.829/6.994 6.524 ± 0.7399
ea15 1342 1342/1342 1342 ± 0 5.873 5.379/6.233 5.829 ± 0.6061
ea16 1342 1342/1342 1342 ± 0 6.37 5.848/6.948 6.486 ± 0.7364
ea17 1342 1342/1342 1342 ± 0 6.54 6.052/7.468 6.703 ± 0.7158
ea18 1342 1342/1342 1342 ± 0 5.07 4.686/5.558 5.128 ± 0.5476
ea19 1342 1342/1342 1342 ± 0 6.605 5.928/7.207 6.617 ± 0.7369
ea20 1342 1342/1342 1342 ± 0 6.103 5.863/7.017 6.334 ± 0.6488
ea21 1342 1342/1342 1342 ± 0 5.946 5.674/6.678 6.213 ± 0.6196
ea22 1342 1342/1342 1342 ± 0 6.221 5.377/6.636 6.068 ± 0.6876
ea23 1342 1342/1342 1342 ± 0 6.268 5.897/6.906 6.479 ± 0.6657
ea24 1342 1342/1342 1342 ± 0 5.949 5.206/6.447 5.803 ± 0.6289
ea26 1342 1342/1342 1342 ± 0 6.434 5.888/7.214 6.481 ± 0.773
ea27 1342 1342/1342 1342 ± 0 6.113 5.882/7.187 6.413 ± 0.7552
ea28 1342 1342/1342 1342 ± 0 6.055 5.89/7.021 6.435 ± 0.7159
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 ± 0.00002441 5.764 5.586/5.879 5.704 ± 0.3153
4 1342 1342/1342 1342 ± 0.00002481 5.324 5.064/5.532 5.287 ± 0.3673
5 1342 1342/1342 1342 ± 0.00002441 5.717 5.455/5.841 5.64 ± 0.3403
6 1342 1342/1342 1342 ± 0.00002441 5.681 5.465/5.846 5.606 ± 0.289
7 1342 1342/1342 1342 ± 0.00002441 5.72 5.49/5.88 5.647 ± 0.2989
8 1342 1342/1342 1342 ± 0.00002441 5.63 5.418/5.86 5.578 ± 0.3452
9 1342 1342/1342 1342 ± 0.00002441 5.941 5.648/6.122 5.859 ± 0.3514
10 1342 1342/1342 1342 ± 0.00002441 6.394 6.214/6.561 6.325 ± 0.3475
11 1342 1342/1342 1342 ± 0.00002441 6.592 6.36/6.886 6.573 ± 0.3685
12 1342 1342/1342 1342 ± 0.00002441 6.729 6.473/7.008 6.72 ± 0.4103
13 1342 1342/1342 1342 ± 0.00002441 7.21 6.927/7.56 7.201 ± 0.4331
14 1342 1342/1342 1342 ± 0.00002441 7.469 7.28/7.804 7.43 ± 0.4207
15 1342 1342/1342 1342 ± 0.00002441 7.115 6.779/7.466 7.064 ± 0.4392
16 1342 1342/1342 1342 ± 0.00002441 6.333 6.111/6.478 6.312 ± 0.4112
17 1342 1342/1342 1342 ± 0.00002456 6.254 6.05/6.49 6.22 ± 0.3479
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
Start time
2025-04-18 10:12:40.101
End
2025-04-18 11:04:41.275
Duration
0:52:01.173
Note, WebLog generation is not included in the time.

CASA logs for stage 8