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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.214 4.959/6.003 5.453 ± 0.7391
ea02 1342 1342/1342 1342 ± 0.00004317 5.644 5.204/6.616 5.878 ± 0.9032
ea04 1342 1342/1342 1342 ± 0.0000199 5.316 4.967/5.955 5.451 ± 0.7104
ea05 1342 1342/1342 1342 ± 0.00003415 5.432 5.042/6.554 5.74 ± 0.8056
ea06 1342 1342/1342 1342 ± 0.00003319 4.607 4.399/5.231 4.747 ± 0.5192
ea07 1342 1342/1342 1342 ± 0.00004184 5.661 5.335/6.286 5.814 ± 0.8522
ea08 1342 1342/1342 1342 ± 0.00004313 5.609 5.169/6.755 5.94 ± 0.9937
ea09 1342 1342/1342 1342 ± 0.000003754 5.472 5.115/6.52 5.748 ± 0.7569
ea10 1342 1342/1342 1342 ± 0.00004354 5.462 5.118/6.671 5.762 ± 0.9269
ea11 1342 1342/1342 1342 ± 0.00004312 5.378 4.963/6.415 5.622 ± 0.916
ea12 1342 1342/1342 1342 ± 0.00003696 5.525 5.194/6.16 5.687 ± 0.8064
ea13 1342 1342/1342 1342 ± 0 5.607 5.385/6.354 5.968 ± 0.7405
ea14 1342 1342/1342 1342 ± 0.00004177 5.413 5.033/6.396 5.665 ± 0.8281
ea15 1342 1342/1342 1342 ± 0.00001205 5.165 4.989/6.177 5.492 ± 0.8245
ea16 1342 1342/1342 1342 ± 0.00002381 5.78 5.103/6.802 5.973 ± 1.042
ea17 1342 1342/1342 1342 ± 0.00004236 5.631 5.176/6.423 5.807 ± 0.9367
ea18 1342 1342/1342 1342 ± 0.00004302 4.641 4.412/5.382 4.93 ± 0.6366
ea19 1342 1342/1342 1342 ± 0.00002735 5.734 5.528/6.856 6.074 ± 0.902
ea20 1342 1342/1342 1342 ± 0.00004234 5.721 5.55/6.735 5.964 ± 0.9121
ea21 1342 1342/1342 1342 ± 0.00003097 5.532 5.17/6.381 5.712 ± 0.8343
ea22 1342 1342/1342 1342 ± 0.00001456 5.223 4.852/6.337 5.586 ± 0.7768
ea23 1342 1342/1342 1342 ± 0.00004215 5.561 5.215/6.627 5.876 ± 0.9371
ea25 1342 1342/1342 1342 ± 0.00004375 5.409 5.005/6.107 5.534 ± 0.8268
ea26 1342 1342/1342 1342 ± 0 5.689 5.543/6.968 6.116 ± 0.8425
ea27 1342 1342/1342 1342 ± 0.00004232 5.405 5.068/6.41 5.612 ± 0.8098
ea28 1342 1342/1342 1342 ± 0.00004313 5.441 5.272/6.573 5.788 ± 0.9043
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 ± 0.00002371 5.143 4.943/5.436 5.156 ± 0.3026
3 1342 1342/1342 1342 ± 0.00003332 5.136 4.865/5.442 5.132 ± 0.5263
5 1342 1342/1342 1342 ± 0.00002901 5.348 5.154/5.533 5.326 ± 0.2565
6 1342 1342/1342 1342 ± 0.00002371 5.248 5.028/5.425 5.189 ± 0.2979
7 1342 1342/1342 1342 ± 0.00002371 5.244 5.136/5.448 5.254 ± 0.2783
8 1342 1342/1342 1342 ± 0.00002371 5.221 5.046/5.36 5.194 ± 0.3057
9 1342 1342/1342 1342 ± 0.00002401 5.419 5.168/5.629 5.356 ± 0.3402
10 1342 1342/1342 1342 ± 0.00002369 6.054 5.918/6.215 5.999 ± 0.3269
11 1342 1342/1342 1342 ± 0.00002369 6.341 6.165/6.425 6.258 ± 0.3429
12 1342 1342/1342 1342 ± 0.00002369 6.52 6.294/6.652 6.456 ± 0.3788
13 1342 1342/1342 1342 ± 0.00002369 6.921 6.704/7.15 6.886 ± 0.4165
14 1342 1342/1342 1342 ± 0.00002369 7.14 6.946/7.366 7.082 ± 0.4613
15 1342 1342/1342 1342 ± 0.00002393 6.55 6.029/6.838 6.399 ± 0.6018
16 1342 1342/1342 1342 ± 0.00005796 4.368 4.205/4.549 4.382 ± 0.232
17 1342 1342/1342 1342 ± 0.00005949 4.499 4.367/4.73 4.565 ± 0.2955
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
Start time
2025-01-08 07:08:01.973
End
2025-01-08 07:34:56.290
Duration
0:26:54.317
Note, WebLog generation is not included in the time.

CASA logs for stage 8