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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.608 5.309/6.032 5.679 ± 0.4351
ea02 1342 1342/1342 1342 ± 0 5.736 5.359/6.294 5.844 ± 0.5268
ea04 1342 1342/1342 1342 ± 0 5.585 5.288/6.141 5.726 ± 0.535
ea05 1342 1342/1342 1342 ± 0 5.376 5.097/5.768 5.431 ± 0.4041
ea06 1342 1342/1342 1342 ± 0 4.876 4.78/5.253 4.974 ± 0.2851
ea07 1342 1342/1342 1342 ± 0 5.436 5.154/5.738 5.495 ± 0.3744
ea08 1342 1342/1342 1342 ± 0 5.552 5.173/5.929 5.553 ± 0.413
ea09 1342 1342/1342 1342 ± 0 5.114 4.923/5.526 5.219 ± 0.3449
ea10 1342 1342/1342 1342 ± 0 5.082 4.881/5.714 5.249 ± 0.4071
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.442 5.252/5.7 5.498 ± 0.3293
ea13 1342 1342/1342 1342 ± 0 5.987 5.742/6.286 6.068 ± 0.4417
ea14 1342 1342/1342 1342 ± 0 5.47 5.125/6.032 5.551 ± 0.5083
ea15 1342 1342/1342 1342 ± 0 5.491 5.121/5.848 5.514 ± 0.4253
ea16 1342 1342/1342 1342 ± 0 5.544 5.283/5.83 5.589 ± 0.3997
ea17 1342 1342/1342 1342 ± 0.000004852 5.31 5.263/5.593 5.438 ± 0.3133
ea18 1342 1342/1342 1342 ± 0 4.491 4.349/4.751 4.567 ± 0.2514
ea19 1342 1342/1342 1342 ± 0 5.502 5.187/5.852 5.524 ± 0.3572
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.594 5.416/6.225 5.772 ± 0.472
ea22 1342 1342/1342 1342 ± 0 4.861 4.698/5.348 4.964 ± 0.4269
ea23 1342 1342/1342 1342 ± 0 6.077 5.697/6.627 6.215 ± 0.6339
ea25 1342 1342/1342 1342 ± 0 5.654 5.433/6.138 5.813 ± 0.5389
ea26 1342 1342/1342 1342 ± 0 5.493 5.382/5.963 5.653 ± 0.3747
ea27 1342 1342/1342 1342 ± 0.00002771 5.12 4.969/5.596 5.246 ± 0.3602
ea28 1342 1342/1342 1342 ± 0.000001535 5.799 5.574/6.454 5.975 ± 0.608
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 ± 0.0000244 5.348 5.196/5.518 5.337 ± 0.2815
3 1342 1342/1342 1342 ± 0.00002472 5.133 4.969/5.367 5.134 ± 0.3264
4 1342 1342/1342 1342 ± 0.00002643 5.245 4.934/5.343 5.133 ± 0.3395
5 1342 1342/1342 1342 ± 0.0000244 5.24 4.966/5.518 5.247 ± 0.3349
6 1342 1342/1342 1342 ± 0.0000244 5.087 4.951/5.284 5.088 ± 0.2754
7 1342 1342/1342 1342 ± 0.0000244 5.192 5.063/5.421 5.203 ± 0.3077
8 1342 1342/1342 1342 ± 0.0000244 5.167 4.892/5.431 5.13 ± 0.3372
9 1342 1342/1342 1342 ± 0.0000244 5.366 5.201/5.583 5.352 ± 0.3677
10 1342 1342/1342 1342 ± 0.0000244 5.677 5.487/6.039 5.685 ± 0.3766
11 1342 1342/1342 1342 ± 0.0000244 5.794 5.66/6.127 5.845 ± 0.384
12 1342 1342/1342 1342 ± 0.0000244 5.905 5.746/6.2 5.878 ± 0.5414
13 1342 1342/1342 1342 ± 0.0000244 6.232 5.896/6.607 6.256 ± 0.5116
14 1342 1342/1342 1342 ± 0.0000244 6.288 5.915/6.696 6.313 ± 0.5484
15 1342 1342/1342 1342 ± 0.0000244 5.924 5.512/6.279 5.896 ± 0.5085
16 1342 1342/1342 1342 ± 0.00003014 5.542 5.086/5.757 5.445 ± 0.4232
17 1342 1342/1342 1342 ± 0.00002771 5.367 5.098/5.709 5.394 ± 0.4538
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-12-04 10:12:42.815
End
2024-12-04 11:13:04.217
Duration
1:00:21.402
Note, WebLog generation is not included in the time.

CASA logs for stage 8