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

Statwt Summary Plot

VLASS2.1.sb38537053.eb38580096.59080.031941134264_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 5.505 5.112/5.98 5.585 ± 0.5814
ea02 1342 1342/1342 1342 ± 0 5.77 5.245/6.373 5.862 ± 0.6781
ea04 1342 1342/1342 1342 ± 0 5.218 4.845/5.915 5.422 ± 0.6204
ea05 1342 1342/1342 1342 ± 0 5.678 5.248/6.267 5.78 ± 0.6075
ea06 1342 1342/1342 1342 ± 0 4.823 4.503/5.249 4.902 ± 0.4402
ea07 1342 1342/1342 1342 ± 0 5.79 5.278/6.051 5.794 ± 0.5905
ea08 1342 1342/1342 1342 ± 0 5.837 5.43/6.582 6.001 ± 0.7022
ea09 1342 1342/1342 1342 ± 0 5.532 5.029/6.16 5.602 ± 0.6481
ea11 1342 1342/1342 1342 ± 0 5.714 5.008/6.193 5.661 ± 0.6744
ea12 1342 1342/1342 1342 ± 0 5.507 5.026/6.137 5.677 ± 0.6743
ea13 1342 1342/1342 1342 ± 0 5.733 5.484/6.163 5.882 ± 0.5326
ea14 1342 1342/1342 1342 ± 0 5.839 5.199/6.414 5.874 ± 0.7066
ea15 1342 1342/1342 1342 ± 0 5.444 4.826/6.049 5.514 ± 0.7468
ea16 1342 1342/1342 1342 ± 0 6.049 5.513/6.531 6.108 ± 0.752
ea17 1342 1342/1342 1342 ± 0.000009457 5.869 5.435/6.413 6.011 ± 0.6625
ea18 1342 1342/1342 1342 ± 0 4.943 4.58/5.412 5.041 ± 0.5481
ea19 1342 1342/1342 1342 ± 0 5.858 5.393/6.492 6.02 ± 0.67
ea20 1342 1342/1342 1342 ± 0 5.898 5.361/6.499 5.977 ± 0.675
ea21 1342 1342/1342 1342 ± 0 5.655 5.23/6.24 5.748 ± 0.6132
ea22 1342 1342/1342 1342 ± 0 5.518 5.133/6.343 5.729 ± 0.6865
ea23 1342 1342/1342 1342 ± 0 5.946 5.344/6.409 5.996 ± 0.7036
ea25 1342 1342/1342 1342 ± 0 5.525 5.124/5.994 5.612 ± 0.5818
ea26 1342 1342/1342 1342 ± 0 5.515 5.275/6.162 5.704 ± 0.5925
ea27 1342 1342/1342 1342 ± 0.00002546 5.451 5.095/6.29 5.637 ± 0.6296
ea28 1342 1342/1342 1342 ± 0.0000015 5.622 5.272/6.364 5.815 ± 0.6628
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 ± 0.00002397 5.207 5.037/5.373 5.167 ± 0.2369
3 1342 1342/1342 1342 ± 0.00002505 4.906 4.793/5.157 4.941 ± 0.2654
4 1342 1342/1342 1342 ± 0.00002397 5.06 4.837/5.234 5.046 ± 0.3143
5 1342 1342/1342 1342 ± 0.00002397 5.221 4.985/5.349 5.151 ± 0.3186
6 1342 1342/1342 1342 ± 0.00002397 5.165 4.978/5.307 5.126 ± 0.2966
7 1342 1342/1342 1342 ± 0.00002397 5.235 5.033/5.401 5.193 ± 0.255
8 1342 1342/1342 1342 ± 0.00002397 5.256 5.014/5.385 5.184 ± 0.2786
9 1342 1342/1342 1342 ± 0.00002397 5.565 5.284/5.673 5.48 ± 0.326
10 1342 1342/1342 1342 ± 0.00002397 5.988 5.754/6.11 5.91 ± 0.3112
11 1342 1342/1342 1342 ± 0.00002397 6.209 6.001/6.333 6.133 ± 0.3203
12 1342 1342/1342 1342 ± 0.00002397 6.298 6.121/6.487 6.285 ± 0.3422
13 1342 1342/1342 1342 ± 0.00002397 6.779 6.624/6.954 6.752 ± 0.3723
14 1342 1342/1342 1342 ± 0.00002397 6.901 6.748/7.143 6.876 ± 0.3919
15 1342 1342/1342 1342 ± 0.00002397 6.533 6.416/6.763 6.499 ± 0.3881
16 1342 1342/1342 1342 ± 0.00002859 5.876 5.725/6.064 5.869 ± 0.3248
17 1342 1342/1342 1342 ± 0.00002699 5.841 5.693/6.114 5.875 ± 0.308
vis
VLASS2.1.sb38537053.eb38580096.59080.031941134264_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-03-08 06:15:20.283
End
2025-03-08 06:42:41.273
Duration
0:27:20.990
Note, WebLog generation is not included in the time.

CASA logs for stage 8