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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.398 5.216/6.175 5.691 ± 0.64
ea02 1342 1342/1342 1342 ± 0.00002602 5.748 5.38/6.608 5.987 ± 0.7019
ea04 1342 1342/1342 1342 ± 0.000007888 5.045 4.716/5.514 5.17 ± 0.51
ea05 1342 1342/1342 1342 ± 0 5.21 4.869/5.692 5.323 ± 0.557
ea06 1342 1342/1342 1342 ± 0 4.664 4.559/5.179 4.889 ± 0.4318
ea07 1342 1342/1342 1342 ± 0.00004177 5.606 5.134/5.957 5.664 ± 0.6515
ea08 1342 1342/1342 1342 ± 0.00004152 6.013 5.587/6.842 6.17 ± 0.8036
ea09 1342 1342/1342 1342 ± 0 5.487 5.105/6.108 5.625 ± 0.5866
ea10 1342 1342/1342 1342 ± 0.0000387 5.708 5.182/6.375 5.763 ± 0.6439
ea11 1342 1342/1342 1342 ± 0.000005386 5.594 5.137/6.279 5.712 ± 0.6779
ea12 1342 1342/1342 1342 ± 0 5.206 4.981/6.113 5.545 ± 0.6595
ea13 1342 1342/1342 1342 ± 0 5.662 5.394/5.959 5.747 ± 0.4885
ea14 1342 1342/1342 1342 ± 0.00001036 5.45 5.118/6.3 5.712 ± 0.6766
ea15 1342 1342/1342 1342 ± 0 5.277 4.735/5.792 5.355 ± 0.6579
ea16 1342 1342/1342 1342 ± 0.000002099 5.547 5.259/6.249 5.729 ± 0.6343
ea17 1342 1342/1342 1342 ± 0.00003253 6.143 5.652/7.079 6.309 ± 0.8458
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.507 5.138/6.087 5.665 ± 0.6009
ea20 1342 1342/1342 1342 ± 0 5.508 5.314/6.296 5.811 ± 0.6317
ea21 1342 1342/1342 1342 ± 0.000009353 5.13 4.913/5.823 5.39 ± 0.5651
ea22 1342 1342/1342 1342 ± 0 5.487 5.249/6.354 5.782 ± 0.6244
ea23 1342 1342/1342 1342 ± 0.00003849 5.46 5.072/6.252 5.705 ± 0.6982
ea25 1342 1342/1342 1342 ± 0.00001643 5.553 5.114/6.187 5.703 ± 0.6884
ea26 1342 1342/1342 1342 ± 0 5.42 5.359/6.178 5.762 ± 0.5154
ea27 1342 1342/1342 1342 ± 0.00003876 5.536 5.12/6.466 5.764 ± 0.6787
ea28 1342 1342/1342 1342 ± 0.00003371 5.749 5.492/6.623 6.041 ± 0.7093
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 ± 0.00002431 5.297 5.106/5.404 5.237 ± 0.2946
5 1342 1342/1342 1342 ± 0.0000248 5.059 4.884/5.211 5.047 ± 0.2553
6 1342 1342/1342 1342 ± 0.00002431 5.191 5.045/5.408 5.192 ± 0.3222
7 1342 1342/1342 1342 ± 0.00002431 5.223 5.042/5.367 5.16 ± 0.2864
8 1342 1342/1342 1342 ± 0.00002431 5.136 4.98/5.34 5.124 ± 0.3099
9 1342 1342/1342 1342 ± 0.00002431 5.469 5.13/5.64 5.407 ± 0.3556
10 1342 1342/1342 1342 ± 0.00002431 5.88 5.614/6.044 5.845 ± 0.3414
11 1342 1342/1342 1342 ± 0.00002431 6.07 5.893/6.294 6.079 ± 0.3504
12 1342 1342/1342 1342 ± 0.00002431 6.255 5.959/6.4 6.206 ± 0.3608
13 1342 1342/1342 1342 ± 0.00002431 6.705 6.53/6.877 6.662 ± 0.3436
14 1342 1342/1342 1342 ± 0.00002431 6.855 6.754/6.993 6.833 ± 0.3862
15 1342 1342/1342 1342 ± 0.00002433 6.205 6.012/6.502 6.224 ± 0.4477
16 1342 1342/1342 1342 ± 0.00005417 5.091 4.846/5.274 5.062 ± 0.2792
17 1342 1342/1342 1342 ± 0.00005589 5.184 4.91/5.377 5.162 ± 0.2942
output_dir
 
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-12 23:09:00.967
End
2024-12-12 23:45:22.191
Duration
0:36:21.224
Note, WebLog generation is not included in the time.

CASA logs for stage 8