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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.829 5.155/6.437 5.743 ± 0.6403
ea02 1342 1342/1342 1342 ± 0.00004506 6.225 5.08/6.672 5.896 ± 0.9547
ea04 1342 1342/1342 1342 ± 0.000004129 5.468 4.936/6.018 5.466 ± 0.7875
ea05 1342 1342/1342 1342 ± 0.00001346 5.59 4.986/6.281 5.715 ± 0.8059
ea06 1342 1342/1342 1342 ± 0.000003792 4.751 4.351/5.342 4.829 ± 0.6083
ea07 1342 1342/1342 1342 ± 0.0000281 5.681 5.23/6.373 5.819 ± 0.9569
ea08 1342 1342/1342 1342 ± 0.00002013 6.605 5.492/7.112 6.299 ± 0.8512
ea09 1342 1342/1342 1342 ± 0.00004108 5.725 5.044/6.452 5.743 ± 0.7894
ea10 1342 1342/1342 1342 ± 0.00004229 5.764 5.161/6.765 5.85 ± 0.9828
ea11 1342 1342/1342 1342 ± 0.00003851 6.155 4.891/6.502 5.725 ± 0.9804
ea12 1342 1342/1342 1342 ± 0.00001312 5.675 5.097/6.5 5.743 ± 0.9372
ea13 1342 1342/1342 1342 ± 0.00003171 5.663 5.387/6.356 5.935 ± 0.7235
ea14 1342 1342/1342 1342 ± 0.00002871 5.449 5.129/6.464 5.728 ± 0.8836
ea15 1342 1342/1342 1342 ± 0.000001192 5.067 4.936/6.249 5.558 ± 0.913
ea16 1342 1342/1342 1342 ± 0.00002013 5.76 5.318/6.91 6.012 ± 1.047
ea17 1342 1342/1342 1342 ± 0.00002062 6.055 5.494/7.048 6.193 ± 0.7873
ea18 1342 1342/1342 1342 ± 0.00003003 4.8 4.571/5.69 5.038 ± 0.6676
ea19 1342 1342/1342 1342 ± 0.0000167 5.868 5.477/6.949 6.093 ± 0.933
ea20 1342 1342/1342 1342 ± 0.00002041 5.812 5.553/6.832 6.078 ± 0.9876
ea21 1342 1342/1342 1342 ± 0.0000121 5.495 5.261/6.459 5.738 ± 0.8662
ea22 1342 1342/1342 1342 ± 0.00004103 5.111 4.863/6.372 5.576 ± 0.7891
ea23 1342 1342/1342 1342 ± 0.00002642 5.55 5.269/6.656 5.868 ± 1.057
ea25 1342 1342/1342 1342 ± 0.00004071 5.245 5.066/6.356 5.585 ± 0.8625
ea26 1342 1342/1342 1342 ± 0.00001986 5.794 5.619/6.919 6.147 ± 0.8497
ea27 1342 1342/1342 1342 ± 0.00003612 5.453 5.273/6.593 5.81 ± 0.7951
ea28 1342 1342/1342 1342 ± 0.00004419 5.683 5.265/6.632 5.867 ± 0.9541
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 ± 0.0000235 5.406 5.117/5.659 5.368 ± 0.3111
6 1342 1342/1342 1342 ± 0.0000235 5.198 4.988/5.307 5.125 ± 0.2921
7 1342 1342/1342 1342 ± 0.00002356 5.206 5.046/5.386 5.166 ± 0.289
8 1342 1342/1342 1342 ± 0.0000235 5.169 4.99/5.313 5.135 ± 0.3042
9 1342 1342/1342 1342 ± 0.00002516 5.444 5.109/5.687 5.363 ± 0.3645
10 1342 1342/1342 1342 ± 0.0000235 6.078 5.927/6.243 6.025 ± 0.3242
11 1342 1342/1342 1342 ± 0.0000235 6.34 6.153/6.469 6.305 ± 0.348
12 1342 1342/1342 1342 ± 0.0000235 6.562 6.361/6.684 6.509 ± 0.3812
13 1342 1342/1342 1342 ± 0.0000235 6.988 6.76/7.211 6.951 ± 0.4036
14 1342 1342/1342 1342 ± 0.0000235 7.218 6.989/7.42 7.15 ± 0.4512
15 1342 1342/1342 1342 ± 0.00002453 6.602 6.334/6.938 6.548 ± 0.4944
16 1342 1342/1342 1342 ± 0.00006078 4.446 4.273/4.652 4.463 ± 0.2539
17 1342 1342/1342 1342 ± 0.00006006 4.422 4.274/4.702 4.49 ± 0.304
statwtmode
VLASS-SE
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-02 16:04:18.645
End
2024-11-02 17:13:32.361
Duration
1:09:13.716
Note, WebLog generation is not included in the time.

CASA logs for stage 8