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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.19 5.093/5.587 5.374 ± 0.507
ea02 1342 1342/1342 1342 ± 0.000004253 5.676 5.278/6.174 5.759 ± 0.6374
ea04 1342 1342/1342 1342 ± 0.000002546 5.126 4.784/5.626 5.208 ± 0.4772
ea05 1342 1342/1342 1342 ± 0 5.54 5.065/6.028 5.5 ± 0.526
ea06 1342 1342/1342 1342 ± 0 4.933 4.671/5.453 5.064 ± 0.4734
ea07 1342 1342/1342 1342 ± 0.00002663 5.558 5.177/5.866 5.636 ± 0.5255
ea08 1342 1342/1342 1342 ± 0.00002482 5.561 5.272/6.216 5.746 ± 0.6359
ea09 1342 1342/1342 1342 ± 0 5.578 5.067/6.137 5.574 ± 0.5781
ea10 1342 1342/1342 1342 ± 0.00003948 5.46 5.095/6.203 5.6 ± 0.6024
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.595 5.101/6.051 5.646 ± 0.5672
ea13 1342 1342/1342 1342 ± 0 5.929 5.577/6.084 5.951 ± 0.462
ea14 1342 1342/1342 1342 ± 0 5.431 5.105/5.982 5.572 ± 0.5626
ea15 1342 1342/1342 1342 ± 0 5.328 4.941/5.904 5.491 ± 0.5958
ea16 1342 1342/1342 1342 ± 0 5.898 5.44/6.382 5.95 ± 0.6248
ea17 1342 1342/1342 1342 ± 0.00001209 5.475 5.336/6.082 5.713 ± 0.5799
ea18 1342 1342/1342 1342 ± 0.000003447 4.832 4.488/5.28 4.859 ± 0.4822
ea19 1342 1342/1342 1342 ± 0 5.887 5.414/6.429 5.951 ± 0.562
ea20 1342 1342/1342 1342 ± 0.000002338 6.001 5.434/6.431 5.935 ± 0.5759
ea21 1342 1342/1342 1342 ± 0 5.33 5.151/5.882 5.534 ± 0.459
ea22 1342 1342/1342 1342 ± 0 5.328 5.149/6.048 5.565 ± 0.6034
ea23 1342 1342/1342 1342 ± 0.000006872 5.531 5.275/6.226 5.751 ± 0.6018
ea25 1342 1342/1342 1342 ± 0.00001041 5.208 5.004/5.721 5.378 ± 0.5181
ea26 1342 1342/1342 1342 ± 0 5.779 5.541/6.368 5.963 ± 0.6315
ea27 1342 1342/1342 1342 ± 0.00004186 5.183 5.071/6.009 5.421 ± 0.5627
ea28 1342 1342/1342 1342 ± 0.00004006 5.334 5.156/6.142 5.584 ± 0.5909
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 ± 0.00002396 5.198 5.103/5.534 5.265 ± 0.2803
3 1342 1342/1342 1342 ± 0.00002903 4.814 4.659/5.079 4.879 ± 0.3616
4 1342 1342/1342 1342 ± 0.00002651 5.183 4.936/5.36 5.106 ± 0.3088
5 1342 1342/1342 1342 ± 0.00002396 5.164 4.959/5.344 5.167 ± 0.3264
6 1342 1342/1342 1342 ± 0.00002396 5.103 5.013/5.306 5.123 ± 0.2843
7 1342 1342/1342 1342 ± 0.00002396 5.138 5.082/5.28 5.151 ± 0.2539
8 1342 1342/1342 1342 ± 0.00002396 5.144 4.889/5.284 5.066 ± 0.2881
9 1342 1342/1342 1342 ± 0.00002396 5.337 5.18/5.584 5.314 ± 0.311
10 1342 1342/1342 1342 ± 0.00002396 5.713 5.598/5.908 5.701 ± 0.2944
11 1342 1342/1342 1342 ± 0.00002396 5.942 5.764/6.063 5.893 ± 0.2943
12 1342 1342/1342 1342 ± 0.00002396 6.066 5.871/6.239 6.058 ± 0.3253
13 1342 1342/1342 1342 ± 0.00002396 6.484 6.383/6.637 6.47 ± 0.3329
14 1342 1342/1342 1342 ± 0.00002396 6.631 6.428/6.965 6.649 ± 0.3637
15 1342 1342/1342 1342 ± 0.00002396 6.441 6.16/6.647 6.34 ± 0.3943
16 1342 1342/1342 1342 ± 0.00004639 5.463 5.292/5.888 5.549 ± 0.3343
17 1342 1342/1342 1342 ± 0.00004878 5.499 5.284/5.924 5.563 ± 0.3241
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-12-31 04:10:29.159
End
2024-12-31 05:06:10.997
Duration
0:55:41.838
Note, WebLog generation is not included in the time.

CASA logs for stage 8