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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.471 5.219/5.933 5.645 ± 0.5049
ea02 1342 1342/1342 1342 ± 0 5.658 5.312/6.393 5.892 ± 0.6677
ea04 1342 1342/1342 1342 ± 0 5.376 5.028/6.03 5.58 ± 0.5903
ea05 1342 1342/1342 1342 ± 0 5.635 5.168/6.162 5.707 ± 0.5972
ea06 1342 1342/1342 1342 ± 0 4.864 4.563/5.245 4.932 ± 0.4084
ea07 1342 1342/1342 1342 ± 0 5.904 5.395/6.183 5.929 ± 0.5689
ea08 1342 1342/1342 1342 ± 0.000001094 5.662 5.441/6.556 5.986 ± 0.6774
ea09 1342 1342/1342 1342 ± 0 5.551 5.149/6.225 5.679 ± 0.6155
ea10 1342 1342/1342 1342 ± 0 5.789 5.224/6.485 5.836 ± 0.6469
ea11 1342 1342/1342 1342 ± 0 5.72 5.01/6.195 5.673 ± 0.6763
ea12 1342 1342/1342 1342 ± 0 6.205 5.999/6.65 6.298 ± 0.4025
ea13 1342 1342/1342 1342 ± 0 5.728 5.57/6.23 5.971 ± 0.5087
ea14 1342 1342/1342 1342 ± 0 5.73 5.239/6.3 5.824 ± 0.652
ea15 1342 1342/1342 1342 ± 0 5.527 4.974/6.185 5.644 ± 0.7128
ea16 1342 1342/1342 1342 ± 0 6.041 5.596/6.674 6.201 ± 0.6986
ea17 1342 1342/1342 1342 ± 0.00001709 5.867 5.507/6.405 6.022 ± 0.6181
ea18 1342 1342/1342 1342 ± 0 4.931 4.576/5.463 5.048 ± 0.5252
ea19 1342 1342/1342 1342 ± 0 5.84 5.388/6.41 6.004 ± 0.6143
ea20 1342 1342/1342 1342 ± 0 5.888 5.45/6.498 6.003 ± 0.6506
ea21 1342 1342/1342 1342 ± 0 5.601 5.264/6.165 5.74 ± 0.5651
ea22 1342 1342/1342 1342 ± 0 5.412 5.205/6.327 5.739 ± 0.6597
ea23 1342 1342/1342 1342 ± 0 5.971 5.447/6.398 6.028 ± 0.6774
ea25 1342 1342/1342 1342 ± 0 5.436 5.051/5.923 5.543 ± 0.5647
ea26 1342 1342/1342 1342 ± 0 5.878 5.575/6.688 6.088 ± 0.6396
ea27 1342 1342/1342 1342 ± 0.00002399 5.469 5.214/6.243 5.675 ± 0.5729
ea28 1342 1342/1342 1342 ± 0.00002476 5.569 5.285/6.351 5.803 ± 0.6416
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 ± 0.00002392 5.286 5.16/5.503 5.298 ± 0.2658
3 1342 1342/1342 1342 ± 0.00002392 5.189 5.01/5.448 5.173 ± 0.2989
4 1342 1342/1342 1342 ± 0.00002435 5.181 4.961/5.313 5.134 ± 0.311
5 1342 1342/1342 1342 ± 0.00002392 5.31 5.034/5.386 5.236 ± 0.3182
6 1342 1342/1342 1342 ± 0.00002392 5.201 4.974/5.343 5.174 ± 0.3011
7 1342 1342/1342 1342 ± 0.00002392 5.248 5.113/5.434 5.24 ± 0.2599
8 1342 1342/1342 1342 ± 0.00002392 5.291 5.056/5.372 5.212 ± 0.279
9 1342 1342/1342 1342 ± 0.00002392 5.548 5.329/5.784 5.5 ± 0.3217
10 1342 1342/1342 1342 ± 0.00002348 5.96 5.784/6.143 5.928 ± 0.3114
11 1342 1342/1342 1342 ± 0.00002348 6.218 6.083/6.34 6.153 ± 0.3184
12 1342 1342/1342 1342 ± 0.00002348 6.343 6.214/6.557 6.31 ± 0.342
13 1342 1342/1342 1342 ± 0.00002348 6.775 6.686/6.928 6.745 ± 0.3593
14 1342 1342/1342 1342 ± 0.00002348 6.959 6.745/7.164 6.917 ± 0.3934
15 1342 1342/1342 1342 ± 0.00002348 6.626 6.353/6.748 6.525 ± 0.4031
16 1342 1342/1342 1342 ± 0.00003125 5.916 5.56/6.132 5.85 ± 0.3656
17 1342 1342/1342 1342 ± 0.00003115 5.888 5.58/6.104 5.857 ± 0.3348
datacolumn
residual_data
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-05-01 11:59:57.655
End
2024-05-01 13:06:56.582
Duration
1:06:58.927
Note, WebLog generation is not included in the time.

CASA logs for stage 7