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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 5.982 5.71/6.785 6.173 ± 0.777
ea03 1342 1342/1342 1342 ± 0.00000233 5.478 4.928/6.437 5.634 ± 0.8621
ea04 1342 1342/1342 1342 ± 0 5.6 5.17/6.4 5.773 ± 0.8007
ea05 1342 1342/1342 1342 ± 0 6.04 5.517/6.958 6.208 ± 0.7512
ea06 1342 1342/1342 1342 ± 0 6.047 5.378/6.543 5.993 ± 0.7663
ea07 1342 1342/1342 1342 ± 0 6.011 5.361/6.441 5.95 ± 0.7914
ea08 1342 1342/1342 1342 ± 0 5.733 5.27/6.577 5.923 ± 0.8456
ea09 1342 1342/1342 1342 ± 0 6 5.446/6.863 6.049 ± 0.852
ea10 1342 1342/1342 1342 ± 0 6.357 5.475/7.007 6.264 ± 0.7543
ea11 1342 1342/1342 1342 ± 0 6.13 5.21/6.637 5.973 ± 0.9206
ea12 1342 1342/1342 1342 ± 0 6.147 5.515/6.801 6.18 ± 0.9161
ea13 1342 1342/1342 1342 ± 0 5.554 5.449/6.127 5.691 ± 0.6575
ea14 1342 1342/1342 1342 ± 0 6.126 5.551/6.813 6.168 ± 0.8983
ea15 1342 1342/1342 1342 ± 0 5.752 5.278/6.347 5.804 ± 0.7736
ea16 1342 1342/1342 1342 ± 0 6.18 5.616/6.87 6.226 ± 0.9204
ea17 1342 1342/1342 1342 ± 0 6.468 5.977/7.522 6.673 ± 0.935
ea18 1342 1342/1342 1342 ± 0 5.139 4.655/5.54 5.157 ± 0.5229
ea19 1342 1342/1342 1342 ± 0 6.201 5.631/6.907 6.26 ± 0.9058
ea20 1342 1342/1342 1342 ± 0 5.838 5.354/6.489 5.895 ± 0.8059
ea21 1342 1342/1342 1342 ± 0 5.223 4.906/5.824 5.317 ± 0.6294
ea22 1342 1342/1342 1342 ± 0 5.939 5.284/6.591 5.943 ± 0.8427
ea23 1342 1342/1342 1342 ± 0 6.357 5.582/6.738 6.231 ± 0.7783
ea24 1342 1342/1342 1342 ± 0.00002786 5.586 5.118/6.431 5.585 ± 0.9578
ea25 1342 1342/1342 1342 ± 0 6.306 5.53/7.028 6.279 ± 1.013
ea26 1342 1342/1342 1342 ± 0 6.39 5.814/7.35 6.459 ± 0.9176
ea27 1342 1342/1342 1342 ± 0 6.058 5.373/6.894 6.093 ± 0.7903
ea28 1342 1342/1342 1342 ± 0 5.978 5.683/6.873 6.233 ± 0.8382
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 ± 0.00002305 5.418 5.165/5.631 5.382 ± 0.3108
3 1342 1342/1342 1342 ± 0.00003173 4.999 4.797/5.206 4.97 ± 0.4736
4 1342 1342/1342 1342 ± 0.00002568 4.289 4.214/4.376 4.337 ± 0.2688
5 1342 1342/1342 1342 ± 0.00002305 5.513 5.191/5.583 5.409 ± 0.3189
6 1342 1342/1342 1342 ± 0.00002305 5.426 5.219/5.603 5.384 ± 0.2907
7 1342 1342/1342 1342 ± 0.00002305 5.472 5.306/5.661 5.456 ± 0.2881
8 1342 1342/1342 1342 ± 0.00002305 5.422 5.182/5.635 5.404 ± 0.3243
9 1342 1342/1342 1342 ± 0.00002305 5.767 5.532/5.94 5.724 ± 0.3221
10 1342 1342/1342 1342 ± 0.00002305 6.391 6.122/6.495 6.281 ± 0.3335
11 1342 1342/1342 1342 ± 0.00002305 6.62 6.389/6.75 6.528 ± 0.355
12 1342 1342/1342 1342 ± 0.00002305 6.742 6.459/6.925 6.679 ± 0.4263
13 1342 1342/1342 1342 ± 0.00002305 7.188 6.959/7.534 7.174 ± 0.456
14 1342 1342/1342 1342 ± 0.00002305 7.422 7.082/7.661 7.348 ± 0.464
15 1342 1342/1342 1342 ± 0.00002305 7.017 6.728/7.295 6.982 ± 0.4243
16 1342 1342/1342 1342 ± 0.00002305 6.354 6.102/6.716 6.365 ± 0.4383
17 1342 1342/1342 1342 ± 0.00002305 6.35 6/6.555 6.263 ± 0.4804
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-06-11 08:38:36.148
End
2025-06-11 09:35:50.998
Duration
0:57:14.850
Note, WebLog generation is not included in the time.

CASA logs for stage 8