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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 4.89 4.758/5.149 4.952 ± 0.3411
ea02 1342 1342/1342 1342 ± 0.00002813 5.083 4.795/5.478 5.165 ± 0.3903
ea04 1342 1342/1342 1342 ± 0 5.019 4.648/5.274 5.015 ± 0.3697
ea05 1342 1342/1342 1342 ± 0 5.861 5.238/6.351 5.773 ± 0.6124
ea06 1342 1342/1342 1342 ± 0 4.392 4.313/4.709 4.491 ± 0.2397
ea07 1342 1342/1342 1342 ± 0 5.849 5.305/5.991 5.791 ± 0.5233
ea08 1342 1342/1342 1342 ± 0 5.528 5.277/6.163 5.716 ± 0.5564
ea09 1342 1342/1342 1342 ± 0 5.626 5.111/6.132 5.651 ± 0.6071
ea10 1342 1342/1342 1342 ± 0 5.648 5.105/6.247 5.651 ± 0.6119
ea11 1342 1342/1342 1342 ± 0 5.043 4.851/5.449 5.128 ± 0.3968
ea12 1342 1342/1342 1342 ± 0 5.414 5.154/5.881 5.591 ± 0.5323
ea13 1342 1342/1342 1342 ± 0 4.852 4.695/4.964 4.855 ± 0.2163
ea14 1342 1342/1342 1342 ± 0 5.413 4.871/5.697 5.34 ± 0.4981
ea15 1342 1342/1342 1342 ± 0 5.545 4.97/5.946 5.561 ± 0.6134
ea16 1342 1342/1342 1342 ± 0 6.002 5.517/6.456 6.079 ± 0.6541
ea17 1342 1342/1342 1342 ± 0.000002447 5.823 5.51/6.41 6.008 ± 0.6255
ea18 1342 1342/1342 1342 ± 0 4.89 4.527/5.302 4.94 ± 0.4572
ea19 1342 1342/1342 1342 ± 0 6.175 5.503/6.73 6.176 ± 0.6698
ea20 1342 1342/1342 1342 ± 0 5.18 4.989/5.531 5.244 ± 0.3151
ea21 1342 1342/1342 1342 ± 0 5.568 5.25/6.188 5.716 ± 0.5384
ea22 1342 1342/1342 1342 ± 0 5.19 5.011/5.838 5.399 ± 0.5892
ea23 1342 1342/1342 1342 ± 0 5.576 5.131/5.918 5.597 ± 0.4899
ea25 1342 1342/1342 1342 ± 0 4.787 4.591/5.146 4.917 ± 0.3634
ea26 1342 1342/1342 1342 ± 0 5.778 5.461/6.46 5.878 ± 0.5352
ea27 1342 1342/1342 1342 ± 0 5.198 5.07/5.996 5.41 ± 0.5406
ea28 1342 1342/1342 1342 ± 0.00000629 4.888 4.779/5.403 5.071 ± 0.3782
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 5.094 4.936/5.373 5.126 ± 0.2905
3 1342 1342/1342 1342 ± 0.00003836 4.625 4.468/4.842 4.66 ± 0.2903
4 1342 1342/1342 1342 ± 0.00002465 5.044 4.874/5.261 5.026 ± 0.3624
5 1342 1342/1342 1342 ± 0.00002348 5.087 4.815/5.251 5.052 ± 0.342
6 1342 1342/1342 1342 ± 0.00002348 4.98 4.763/5.213 4.977 ± 0.321
7 1342 1342/1342 1342 ± 0.00002348 5.021 4.757/5.252 5 ± 0.3197
8 1342 1342/1342 1342 ± 0.00002348 4.934 4.748/5.182 4.956 ± 0.3502
9 1342 1342/1342 1342 ± 0.00002348 5.185 4.887/5.571 5.178 ± 0.3927
10 1342 1342/1342 1342 ± 0.00002348 5.632 5.216/5.902 5.546 ± 0.4093
11 1342 1342/1342 1342 ± 0.00002348 5.872 5.398/6.07 5.731 ± 0.4626
12 1342 1342/1342 1342 ± 0.00002379 5.919 5.298/6.319 5.783 ± 0.5951
13 1342 1342/1342 1342 ± 0.00002348 6.473 5.727/6.616 6.213 ± 0.6009
14 1342 1342/1342 1342 ± 0.00002348 6.549 5.741/6.759 6.323 ± 0.6374
15 1342 1342/1342 1342 ± 0.00002379 6.097 5.385/6.429 5.951 ± 0.6341
16 1342 1342/1342 1342 ± 0.00002357 5.578 4.919/5.829 5.426 ± 0.5662
17 1342 1342/1342 1342 ± 0.00002393 5.495 4.891/5.81 5.407 ± 0.55
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-01-08 05:26:46.026
End
2025-01-08 06:14:01.704
Duration
0:47:15.678
Note, WebLog generation is not included in the time.

CASA logs for stage 8