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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.913 5.445/6.217 5.862 ± 0.5425
ea02 1342 1342/1342 1342 ± 0 6.04 5.529/6.706 6.153 ± 0.647
ea04 1342 1342/1342 1342 ± 0.00001157 5.556 5.148/6.087 5.63 ± 0.5744
ea05 1342 1342/1342 1342 ± 0.00001136 5.878 5.284/6.42 5.777 ± 0.611
ea06 1342 1342/1342 1342 ± 0 4.856 4.568/5.286 4.914 ± 0.4035
ea07 1342 1342/1342 1342 ± 0 6.091 5.672/6.422 6.154 ± 0.576
ea08 1342 1342/1342 1342 ± 0.00000388 6.048 5.69/6.848 6.268 ± 0.6655
ea09 1342 1342/1342 1342 ± 0 5.802 5.268/6.487 5.823 ± 0.6511
ea10 1342 1342/1342 1342 ± 0.00000208 5.983 5.465/6.79 6.091 ± 0.6932
ea11 1342 1342/1342 1342 ± 0 6.065 5.304/6.534 5.978 ± 0.6686
ea12 1342 1342/1342 1342 ± 0 5.954 5.425/6.482 6.013 ± 0.6386
ea13 1342 1342/1342 1342 ± 0 6.332 5.73/6.395 6.175 ± 0.5316
ea14 1342 1342/1342 1342 ± 0 6.037 5.328/6.449 5.937 ± 0.6558
ea15 1342 1342/1342 1342 ± 0 5.767 5.08/6.249 5.752 ± 0.7174
ea16 1342 1342/1342 1342 ± 0 6.266 5.704/6.809 6.363 ± 0.7384
ea17 1342 1342/1342 1342 ± 0.000008408 6.163 5.702/6.919 6.295 ± 0.6571
ea18 1342 1342/1342 1342 ± 0 5.22 4.823/5.705 5.268 ± 0.5226
ea19 1342 1342/1342 1342 ± 0 5.77 5.561/6.77 6.2 ± 0.7112
ea20 1342 1342/1342 1342 ± 0 6.408 5.789/6.903 6.321 ± 0.6569
ea21 1342 1342/1342 1342 ± 0 5.869 5.422/6.387 5.909 ± 0.5841
ea22 1342 1342/1342 1342 ± 0 5.896 5.254/6.435 5.868 ± 0.6221
ea23 1342 1342/1342 1342 ± 0 6.27 5.613/6.759 6.268 ± 0.6973
ea25 1342 1342/1342 1342 ± 0.000001469 5.787 5.375/6.364 5.876 ± 0.603
ea26 1342 1342/1342 1342 ± 0 6.298 5.621/6.957 6.235 ± 0.6809
ea27 1342 1342/1342 1342 ± 0.00001914 5.71 5.517/6.58 5.949 ± 0.6254
ea28 1342 1342/1342 1342 ± 0.00000983 5.785 5.568/6.662 6.046 ± 0.6705
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 ± 0.0000236 5.48 5.223/5.611 5.421 ± 0.2893
3 1342 1342/1342 1342 ± 0.00002545 5.243 5.091/5.536 5.263 ± 0.3008
4 1342 1342/1342 1342 ± 0.00002589 5.407 5.093/5.594 5.311 ± 0.3199
5 1342 1342/1342 1342 ± 0.0000236 5.445 5.224/5.677 5.442 ± 0.3503
6 1342 1342/1342 1342 ± 0.0000236 5.458 5.201/5.583 5.388 ± 0.3139
7 1342 1342/1342 1342 ± 0.0000236 5.458 5.307/5.619 5.417 ± 0.2937
8 1342 1342/1342 1342 ± 0.0000236 5.434 5.275/5.577 5.377 ± 0.3249
9 1342 1342/1342 1342 ± 0.0000236 5.762 5.45/5.979 5.666 ± 0.3743
10 1342 1342/1342 1342 ± 0.00002395 6.164 5.961/6.316 6.1 ± 0.346
11 1342 1342/1342 1342 ± 0.00002395 6.359 6.192/6.559 6.315 ± 0.3579
12 1342 1342/1342 1342 ± 0.0000236 6.496 6.398/6.76 6.499 ± 0.387
13 1342 1342/1342 1342 ± 0.0000236 7.037 6.869/7.226 6.976 ± 0.4145
14 1342 1342/1342 1342 ± 0.0000236 7.235 6.975/7.463 7.153 ± 0.4486
15 1342 1342/1342 1342 ± 0.0000236 6.796 6.594/6.992 6.714 ± 0.4218
16 1342 1342/1342 1342 ± 0.00002625 6.066 5.904/6.363 6.079 ± 0.3719
17 1342 1342/1342 1342 ± 0.00002688 6.09 5.914/6.315 6.078 ± 0.3467
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-02-24 20:20:06.765
End
2025-02-24 20:53:49.089
Duration
0:33:42.324
Note, WebLog generation is not included in the time.

CASA logs for stage 8