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

Statwt Summary Plot

VLASS2.1.sb38519843.eb38632934.59097.18672790509_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 5.86 5.359/6.108 5.812 ± 0.5061
ea02 1342 1342/1342 1342 ± 0 5.905 5.486/6.656 6.086 ± 0.6546
ea04 1342 1342/1342 1342 ± 0 5.637 5.227/6.224 5.764 ± 0.5637
ea05 1342 1342/1342 1342 ± 0 5.952 5.366/6.448 5.87 ± 0.5881
ea06 1342 1342/1342 1342 ± 0 5.077 4.821/5.382 5.122 ± 0.3434
ea07 1342 1342/1342 1342 ± 0 6.189 5.514/6.36 6.089 ± 0.6068
ea08 1342 1342/1342 1342 ± 0.000003237 6.027 5.639/6.81 6.279 ± 0.6621
ea09 1342 1342/1342 1342 ± 0 5.69 5.314/6.549 5.848 ± 0.6597
ea10 1342 1342/1342 1342 ± 0 6.157 5.369/6.758 6.088 ± 0.6713
ea11 1342 1342/1342 1342 ± 0 5.95 5.267/6.444 5.952 ± 0.6792
ea12 1342 1342/1342 1342 ± 0 6.031 5.451/6.528 6.103 ± 0.6639
ea13 1342 1342/1342 1342 ± 0 6.251 5.949/6.511 6.3 ± 0.524
ea14 1342 1342/1342 1342 ± 0 5.982 5.335/6.493 5.949 ± 0.6715
ea15 1342 1342/1342 1342 ± 0 5.814 5.211/6.344 5.908 ± 0.6767
ea16 1342 1342/1342 1342 ± 0 6.259 5.726/6.818 6.369 ± 0.7146
ea17 1342 1342/1342 1342 ± 0.00002427 6.072 5.639/6.857 6.211 ± 0.6285
ea18 1342 1342/1342 1342 ± 0 5.191 4.809/5.64 5.252 ± 0.5128
ea19 1342 1342/1342 1342 ± 0 6.039 5.658/6.568 6.215 ± 0.6718
ea20 1342 1342/1342 1342 ± 0 6.373 5.766/6.995 6.34 ± 0.6663
ea21 1342 1342/1342 1342 ± 0 5.92 5.436/6.346 5.917 ± 0.5797
ea22 1342 1342/1342 1342 ± 0 5.524 5.32/6.502 5.863 ± 0.6564
ea23 1342 1342/1342 1342 ± 0 6.269 5.587/6.643 6.262 ± 0.6774
ea25 1342 1342/1342 1342 ± 0 5.7 5.31/6.247 5.828 ± 0.5778
ea26 1342 1342/1342 1342 ± 0 6.021 5.759/7.049 6.314 ± 0.6582
ea27 1342 1342/1342 1342 ± 0.00001366 5.609 5.471/6.519 5.909 ± 0.6014
ea28 1342 1342/1342 1342 ± 0.00003407 5.731 5.53/6.57 6.083 ± 0.6155
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 5.479 5.282/5.741 5.488 ± 0.2642
4 1342 1342/1342 1342 ± 0.00002697 5.158 4.961/5.449 5.172 ± 0.3439
5 1342 1342/1342 1342 ± 0.00002348 5.493 5.238/5.66 5.47 ± 0.3297
6 1342 1342/1342 1342 ± 0.00002348 5.398 5.16/5.561 5.372 ± 0.2927
7 1342 1342/1342 1342 ± 0.00002348 5.441 5.265/5.612 5.43 ± 0.2728
8 1342 1342/1342 1342 ± 0.00002348 5.426 5.206/5.608 5.384 ± 0.2847
9 1342 1342/1342 1342 ± 0.00002348 5.648 5.484/5.944 5.658 ± 0.3323
10 1342 1342/1342 1342 ± 0.00002348 6.136 5.952/6.264 6.084 ± 0.3259
11 1342 1342/1342 1342 ± 0.00002348 6.36 6.189/6.484 6.296 ± 0.334
12 1342 1342/1342 1342 ± 0.00002393 6.496 6.3/6.65 6.452 ± 0.3696
13 1342 1342/1342 1342 ± 0.00002348 6.949 6.821/7.133 6.921 ± 0.3858
14 1342 1342/1342 1342 ± 0.00002348 7.206 6.94/7.398 7.117 ± 0.427
15 1342 1342/1342 1342 ± 0.00002348 6.794 6.562/7.035 6.713 ± 0.4122
16 1342 1342/1342 1342 ± 0.00003117 6.069 5.694/6.291 6.033 ± 0.4137
17 1342 1342/1342 1342 ± 0.00003363 6.077 5.669/6.348 6.044 ± 0.3957
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38519843.eb38632934.59097.18672790509_split_split.ms
Start time
2025-01-01 03:10:10.768
End
2025-01-01 03:38:15.925
Duration
0:28:05.158
Note, WebLog generation is not included in the time.

CASA logs for stage 8