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 5.661 5.131/5.911 5.567 ± 0.5286
ea02 1342 1342/1342 1342 ± 0 5.672 5.289/6.465 5.845 ± 0.658
ea04 1342 1342/1342 1342 ± 0 5.311 4.95/5.81 5.386 ± 0.5251
ea05 1342 1342/1342 1342 ± 0 5.735 5.132/6.186 5.649 ± 0.5599
ea06 1342 1342/1342 1342 ± 0 5.391 4.78/5.757 5.275 ± 0.5469
ea07 1342 1342/1342 1342 ± 0 5.918 5.365/6.061 5.858 ± 0.5465
ea08 1342 1342/1342 1342 ± 0 5.687 5.379/6.507 5.928 ± 0.654
ea09 1342 1342/1342 1342 ± 0 5.645 5.087/6.349 5.702 ± 0.6076
ea10 1342 1342/1342 1342 ± 0.000001535 5.789 5.109/6.469 5.794 ± 0.6574
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.795 5.256/6.267 5.809 ± 0.6215
ea13 1342 1342/1342 1342 ± 0 6.078 5.72/6.282 6.079 ± 0.486
ea14 1342 1342/1342 1342 ± 0 5.82 5.195/6.205 5.737 ± 0.6509
ea15 1342 1342/1342 1342 ± 0 5.631 4.989/6.062 5.626 ± 0.6617
ea16 1342 1342/1342 1342 ± 0 6.089 5.594/6.644 6.199 ± 0.6991
ea17 1342 1342/1342 1342 ± 0.000002171 5.86 5.422/6.669 5.953 ± 0.6239
ea18 1342 1342/1342 1342 ± 0 4.947 4.592/5.407 4.974 ± 0.4951
ea19 1342 1342/1342 1342 ± 0 6.045 5.44/6.621 6.094 ± 0.6235
ea20 1342 1342/1342 1342 ± 0 6.185 5.598/6.742 6.111 ± 0.6338
ea21 1342 1342/1342 1342 ± 0 5.649 5.257/6.126 5.732 ± 0.5163
ea22 1342 1342/1342 1342 ± 0 5.465 5.161/6.374 5.712 ± 0.6493
ea23 1342 1342/1342 1342 ± 0 6.039 5.338/6.398 5.953 ± 0.6508
ea25 1342 1342/1342 1342 ± 0.000003759 5.306 5.093/6.01 5.515 ± 0.5493
ea26 1342 1342/1342 1342 ± 0 6.078 5.585/6.795 6.069 ± 0.6718
ea27 1342 1342/1342 1342 ± 0.00003487 5.471 5.025/6.223 5.605 ± 0.5711
ea28 1342 1342/1342 1342 ± 0.00001087 5.53 5.273/6.314 5.751 ± 0.6428
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 ± 0.00002393 5.225 5.13/5.549 5.305 ± 0.2579
3 1342 1342/1342 1342 ± 0.00002393 5.08 4.91/5.342 5.137 ± 0.3148
4 1342 1342/1342 1342 ± 0.00002464 5.081 4.937/5.322 5.083 ± 0.315
5 1342 1342/1342 1342 ± 0.00002393 5.249 4.959/5.406 5.21 ± 0.3223
6 1342 1342/1342 1342 ± 0.00002392 5.18 5.013/5.384 5.18 ± 0.2882
7 1342 1342/1342 1342 ± 0.00002393 5.254 5.081/5.382 5.236 ± 0.2585
8 1342 1342/1342 1342 ± 0.00002393 5.267 4.984/5.372 5.18 ± 0.2753
9 1342 1342/1342 1342 ± 0.00002393 5.47 5.302/5.722 5.46 ± 0.315
10 1342 1342/1342 1342 ± 0.00002393 5.902 5.736/6.09 5.883 ± 0.2999
11 1342 1342/1342 1342 ± 0.00002393 6.169 5.964/6.292 6.102 ± 0.3048
12 1342 1342/1342 1342 ± 0.00002393 6.274 6.062/6.471 6.264 ± 0.332
13 1342 1342/1342 1342 ± 0.00002393 6.689 6.571/6.829 6.678 ± 0.3409
14 1342 1342/1342 1342 ± 0.00002393 6.905 6.637/7.125 6.863 ± 0.3688
15 1342 1342/1342 1342 ± 0.00002393 6.621 6.368/6.762 6.526 ± 0.3538
16 1342 1342/1342 1342 ± 0.00003126 5.83 5.498/6.094 5.831 ± 0.363
17 1342 1342/1342 1342 ± 0.00003138 5.818 5.645/6.072 5.846 ± 0.3335
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-31 09:17:23.087
End
2024-12-31 10:29:31.191
Duration
1:12:08.104
Note, WebLog generation is not included in the time.

CASA logs for stage 8