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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.559 5.274/6.12 5.708 ± 0.5141
ea02 1342 1342/1342 1342 ± 0 5.936 5.547/6.679 6.14 ± 0.6206
ea04 1342 1342/1342 1342 ± 0 5.564 5.027/6.238 5.643 ± 0.6052
ea05 1342 1342/1342 1342 ± 0.000002204 5.656 5.393/6.504 5.903 ± 0.6171
ea06 1342 1342/1342 1342 ± 0 4.933 4.537/5.234 4.891 ± 0.3985
ea07 1342 1342/1342 1342 ± 0 5.681 5.426/6.233 5.885 ± 0.6023
ea08 1342 1342/1342 1342 ± 0 5.895 5.68/6.774 6.239 ± 0.6299
ea09 1342 1342/1342 1342 ± 0 5.878 5.345/6.562 5.958 ± 0.6039
ea10 1342 1342/1342 1342 ± 0 5.484 5.152/6.343 5.721 ± 0.6012
ea11 1342 1342/1342 1342 ± 0 6.097 5.18/6.363 5.892 ± 0.6714
ea12 1342 1342/1342 1342 ± 0 5.984 5.374/6.532 6.057 ± 0.6594
ea13 1342 1342/1342 1342 ± 0 6.278 5.7/6.406 6.141 ± 0.5097
ea14 1342 1342/1342 1342 ± 0 5.714 5.328/6.477 5.851 ± 0.6753
ea15 1342 1342/1342 1342 ± 0 5.731 5.077/6.293 5.741 ± 0.7018
ea16 1342 1342/1342 1342 ± 0.000001131 5.964 5.695/6.826 6.221 ± 0.7108
ea17 1342 1342/1342 1342 ± 0 6.056 5.62/6.731 6.165 ± 0.6259
ea18 1342 1342/1342 1342 ± 0 5.192 4.799/5.688 5.24 ± 0.5428
ea19 1342 1342/1342 1342 ± 0 5.864 5.551/6.754 6.092 ± 0.6284
ea20 1342 1342/1342 1342 ± 0 6.334 5.72/6.895 6.274 ± 0.6718
ea21 1342 1342/1342 1342 ± 0.000005504 5.465 5.312/6.343 5.775 ± 0.5962
ea22 1342 1342/1342 1342 ± 0 5.831 5.287/6.465 5.87 ± 0.6274
ea23 1342 1342/1342 1342 ± 0 5.592 5.456/6.6 6.015 ± 0.7172
ea25 1342 1342/1342 1342 ± 0 5.872 5.228/6.23 5.79 ± 0.5978
ea26 1342 1342/1342 1342 ± 0 6.175 5.596/6.742 6.173 ± 0.601
ea27 1342 1342/1342 1342 ± 0.00002916 5.527 5.318/6.411 5.814 ± 0.6028
ea28 1342 1342/1342 1342 ± 0 5.843 5.466/6.504 6.016 ± 0.623
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 ± 0.00002349 5.398 5.195/5.591 5.366 ± 0.2708
4 1342 1342/1342 1342 ± 0.00002625 5.144 5.01/5.26 5.1 ± 0.3293
5 1342 1342/1342 1342 ± 0.00002349 5.319 5.124/5.478 5.315 ± 0.3361
6 1342 1342/1342 1342 ± 0.00002349 5.269 5.042/5.409 5.245 ± 0.2983
7 1342 1342/1342 1342 ± 0.00002349 5.383 5.223/5.564 5.366 ± 0.2787
8 1342 1342/1342 1342 ± 0.00002349 5.405 5.171/5.53 5.329 ± 0.3031
9 1342 1342/1342 1342 ± 0.00002349 5.646 5.505/5.876 5.617 ± 0.3389
10 1342 1342/1342 1342 ± 0.00002349 6.086 5.976/6.224 6.044 ± 0.3177
11 1342 1342/1342 1342 ± 0.00002349 6.329 6.133/6.424 6.258 ± 0.3381
12 1342 1342/1342 1342 ± 0.00002349 6.47 6.277/6.639 6.413 ± 0.3589
13 1342 1342/1342 1342 ± 0.00002349 6.931 6.735/7.06 6.839 ± 0.3894
14 1342 1342/1342 1342 ± 0.00002349 7.036 6.881/7.266 6.995 ± 0.4228
15 1342 1342/1342 1342 ± 0.00002349 6.641 6.419/6.842 6.576 ± 0.4062
16 1342 1342/1342 1342 ± 0.0000312 5.87 5.647/6.097 5.864 ± 0.3854
17 1342 1342/1342 1342 ± 0.00002432 5.87 5.557/6.174 5.86 ± 0.3836
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-05-17 11:12:27.061
End
2024-05-17 12:23:59.436
Duration
1:11:32.375
Note, WebLog generation is not included in the time.

CASA logs for stage 8