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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.593 5.248/6.105 5.705 ± 0.5558
ea02 1342 1342/1342 1342 ± 0 5.612 5.263/6.261 5.799 ± 0.6297
ea04 1342 1342/1342 1342 ± 0 5.267 4.976/5.948 5.471 ± 0.5787
ea05 1342 1342/1342 1342 ± 0 5.48 5.051/5.923 5.547 ± 0.5775
ea06 1342 1342/1342 1342 ± 0 4.941 4.673/5.314 5.003 ± 0.3945
ea07 1342 1342/1342 1342 ± 0 5.949 5.421/6.181 5.935 ± 0.5944
ea08 1342 1342/1342 1342 ± 0 5.867 5.557/6.639 6.134 ± 0.6709
ea09 1342 1342/1342 1342 ± 0 5.365 4.864/5.925 5.45 ± 0.5941
ea10 1342 1342/1342 1342 ± 0 6.097 5.403/6.761 6.059 ± 0.6883
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.717 5.262/6.374 5.9 ± 0.6717
ea13 1342 1342/1342 1342 ± 0 5.888 5.215/6.188 5.722 ± 0.575
ea14 1342 1342/1342 1342 ± 0 5.751 5.229/6.375 5.845 ± 0.6887
ea15 1342 1342/1342 1342 ± 0 5.461 5.1/6.132 5.678 ± 0.6513
ea16 1342 1342/1342 1342 ± 0 5.969 5.498/6.701 6.15 ± 0.7605
ea17 1342 1342/1342 1342 ± 0 5.985 5.59/6.517 6.132 ± 0.6545
ea18 1342 1342/1342 1342 ± 0 4.996 4.694/5.511 5.101 ± 0.5647
ea19 1342 1342/1342 1342 ± 0 5.781 5.358/6.502 5.998 ± 0.6565
ea20 1342 1342/1342 1342 ± 0 6.047 5.641/6.769 6.231 ± 0.6786
ea21 1342 1342/1342 1342 ± 0 5.612 5.251/6.174 5.744 ± 0.5952
ea22 1342 1342/1342 1342 ± 0 5.26 5.043/6.109 5.555 ± 0.6306
ea23 1342 1342/1342 1342 ± 0 5.993 5.43/6.44 6.083 ± 0.6955
ea25 1342 1342/1342 1342 ± 0 5.606 5.278/6.187 5.788 ± 0.5846
ea26 1342 1342/1342 1342 ± 0 5.592 5.085/6.146 5.695 ± 0.7041
ea27 1342 1342/1342 1342 ± 0 5.548 5.284/6.418 5.77 ± 0.6241
ea28 1342 1342/1342 1342 ± 0.000009946 5.783 5.468/6.502 6 ± 0.673
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 ± 0.00002395 5.186 5.105/5.444 5.241 ± 0.2528
3 1342 1342/1342 1342 ± 0.00002395 5.126 4.949/5.387 5.134 ± 0.2852
4 1342 1342/1342 1342 ± 0.00002442 5.217 4.922/5.441 5.193 ± 0.3413
5 1342 1342/1342 1342 ± 0.00002395 5.289 5.026/5.427 5.21 ± 0.3332
6 1342 1342/1342 1342 ± 0.00002395 5.256 5.029/5.351 5.167 ± 0.3164
7 1342 1342/1342 1342 ± 0.00002395 5.261 5.1/5.404 5.244 ± 0.2553
8 1342 1342/1342 1342 ± 0.00002395 5.26 4.978/5.432 5.206 ± 0.3037
9 1342 1342/1342 1342 ± 0.00002395 5.53 5.288/5.807 5.481 ± 0.3413
10 1342 1342/1342 1342 ± 0.00002395 5.977 5.772/6.13 5.92 ± 0.3376
11 1342 1342/1342 1342 ± 0.00002395 6.142 5.975/6.381 6.14 ± 0.3439
12 1342 1342/1342 1342 ± 0.00002442 6.373 6.15/6.581 6.325 ± 0.3724
13 1342 1342/1342 1342 ± 0.00002395 6.793 6.54/7.051 6.763 ± 0.3956
14 1342 1342/1342 1342 ± 0.00002395 6.982 6.714/7.21 6.931 ± 0.4346
15 1342 1342/1342 1342 ± 0.00002395 6.616 6.498/6.831 6.589 ± 0.4195
16 1342 1342/1342 1342 ± 0.0000247 5.98 5.569/6.226 5.962 ± 0.3989
17 1342 1342/1342 1342 ± 0.0000244 5.92 5.735/6.204 5.97 ± 0.3667
datacolumn
residual_data
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-12-31 03:26:43.077
End
2024-12-31 04:05:53.481
Duration
0:39:10.404
Note, WebLog generation is not included in the time.

CASA logs for stage 8