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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.794 5.663/6.507 6.081 ± 0.6426
ea02 1342 1342/1342 1342 ± 0.0000415 6.225 5.813/6.989 6.42 ± 0.7084
ea03 1342 1342/1342 1342 ± 0 5.828 5.077/6.318 5.742 ± 0.6523
ea04 1342 1342/1342 1342 ± 0 5.862 5.43/6.578 5.966 ± 0.6545
ea05 1342 1342/1342 1342 ± 0 6.263 5.707/6.87 6.167 ± 0.7416
ea06 1342 1342/1342 1342 ± 0 5.161 4.98/5.529 5.249 ± 0.3497
ea07 1342 1342/1342 1342 ± 0 6.208 5.856/6.717 6.394 ± 0.7208
ea08 1342 1342/1342 1342 ± 0.000006579 6.238 5.866/7.111 6.478 ± 0.7626
ea09 1342 1342/1342 1342 ± 0 6.097 5.555/6.824 6.143 ± 0.7384
ea10 1342 1342/1342 1342 ± 0 6.267 5.719/7.092 6.349 ± 0.7475
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.268 5.666/6.79 6.297 ± 0.7652
ea13 1342 1342/1342 1342 ± 0 6.596 6.079/6.669 6.44 ± 0.6513
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.363 5.773/6.909 6.399 ± 0.7698
ea16 1342 1342/1342 1342 ± 0 6.488 5.992/7.109 6.502 ± 0.8187
ea17 1342 1342/1342 1342 ± 0 6.51 6.24/7.64 6.832 ± 0.72
ea18 1342 1342/1342 1342 ± 0 5.31 4.909/5.815 5.371 ± 0.5788
ea19 1342 1342/1342 1342 ± 0 6.412 5.742/6.964 6.309 ± 0.6974
ea20 1342 1342/1342 1342 ± 0 6.431 5.759/6.926 6.314 ± 0.7377
ea21 1342 1342/1342 1342 ± 0 5.932 5.708/6.715 6.157 ± 0.6803
ea22 1342 1342/1342 1342 ± 0 5.925 5.527/6.55 6.028 ± 0.6194
ea23 1342 1342/1342 1342 ± 0 6.136 5.827/6.961 6.382 ± 0.7858
ea24 1342 1342/1342 1342 ± 0.00000731 6.165 5.82/6.986 6.327 ± 0.7316
ea25 1342 1342/1342 1342 ± 0 5.928 5.597/6.658 6.098 ± 0.6584
ea26 1342 1342/1342 1342 ± 0 6.754 6.185/7.448 6.792 ± 0.7008
ea27 1342 1342/1342 1342 ± 0 6.041 5.747/6.905 6.215 ± 0.692
ea28 1342 1342/1342 1342 ± 0 5.834 5.57/6.643 6.078 ± 0.6924
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 5.738 5.455/5.856 5.648 ± 0.3252
4 1342 1342/1342 1342 ± 0.00002597 4.943 4.781/5.059 4.899 ± 0.2271
5 1342 1342/1342 1342 ± 0.00002349 5.756 5.54/6.003 5.732 ± 0.3809
6 1342 1342/1342 1342 ± 0.00002349 5.691 5.535/5.914 5.651 ± 0.3463
7 1342 1342/1342 1342 ± 0.00002349 5.744 5.592/5.824 5.68 ± 0.3223
8 1342 1342/1342 1342 ± 0.00002349 5.64 5.502/5.808 5.599 ± 0.3568
9 1342 1342/1342 1342 ± 0.00002349 5.911 5.666/6.239 5.877 ± 0.3929
10 1342 1342/1342 1342 ± 0.00002349 6.419 6.24/6.644 6.36 ± 0.3787
11 1342 1342/1342 1342 ± 0.00002349 6.626 6.449/6.825 6.591 ± 0.3915
12 1342 1342/1342 1342 ± 0.00002349 6.817 6.598/6.97 6.761 ± 0.4361
13 1342 1342/1342 1342 ± 0.00002349 7.293 7.169/7.449 7.231 ± 0.4668
14 1342 1342/1342 1342 ± 0.00002349 7.489 7.314/7.81 7.445 ± 0.5141
15 1342 1342/1342 1342 ± 0.00002349 7.01 6.873/7.361 7.004 ± 0.4845
16 1342 1342/1342 1342 ± 0.00002488 6.22 6.026/6.571 6.236 ± 0.3727
17 1342 1342/1342 1342 ± 0.0000241 6.276 6.047/6.5 6.252 ± 0.373
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 05:57:42.285
End
2025-01-11 07:12:50.405
Duration
1:15:08.119
Note, WebLog generation is not included in the time.

CASA logs for stage 8