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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.516 5.344/5.833 5.632 ± 0.3754
ea02 1342 1342/1342 1342 ± 0 5.727 5.382/6.278 5.86 ± 0.4936
ea04 1342 1342/1342 1342 ± 0 5.616 5.256/6.061 5.694 ± 0.4925
ea05 1342 1342/1342 1342 ± 0 5.36 5.106/5.685 5.404 ± 0.3788
ea06 1342 1342/1342 1342 ± 0 4.859 4.775/5.249 4.972 ± 0.289
ea07 1342 1342/1342 1342 ± 0 5.609 5.282/5.894 5.622 ± 0.4018
ea08 1342 1342/1342 1342 ± 0 5.63 5.287/6.079 5.669 ± 0.4469
ea09 1342 1342/1342 1342 ± 0 5.158 4.971/5.568 5.267 ± 0.3787
ea10 1342 1342/1342 1342 ± 0.00001277 5.256 5/5.883 5.35 ± 0.4426
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.576 5.31/5.874 5.648 ± 0.3878
ea13 1342 1342/1342 1342 ± 0 5.892 5.692/6.139 5.971 ± 0.389
ea14 1342 1342/1342 1342 ± 0 5.383 5.175/5.926 5.528 ± 0.4369
ea15 1342 1342/1342 1342 ± 0 5.689 5.297/6.081 5.71 ± 0.4814
ea16 1342 1342/1342 1342 ± 0 5.51 5.343/5.862 5.634 ± 0.3942
ea17 1342 1342/1342 1342 ± 0.000002882 5.373 5.254/5.749 5.49 ± 0.3433
ea18 1342 1342/1342 1342 ± 0 4.649 4.472/4.862 4.686 ± 0.2624
ea19 1342 1342/1342 1342 ± 0 5.403 5.152/5.763 5.474 ± 0.341
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.56 5.419/6.2 5.777 ± 0.4619
ea22 1342 1342/1342 1342 ± 0 4.932 4.767/5.398 5.025 ± 0.437
ea23 1342 1342/1342 1342 ± 0 5.829 5.756/6.547 6.184 ± 0.6069
ea25 1342 1342/1342 1342 ± 0 5.525 5.429/6.127 5.772 ± 0.5094
ea26 1342 1342/1342 1342 ± 0 5.511 5.381/6.027 5.711 ± 0.3919
ea27 1342 1342/1342 1342 ± 0.00004156 5.232 5.063/5.844 5.385 ± 0.382
ea28 1342 1342/1342 1342 ± 0 5.75 5.529/6.479 5.961 ± 0.5714
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 ± 0.00002439 5.428 5.286/5.541 5.409 ± 0.2659
3 1342 1342/1342 1342 ± 0.00002449 5.311 5.096/5.386 5.232 ± 0.3092
4 1342 1342/1342 1342 ± 0.00004077 5.175 4.66/5.343 5.03 ± 0.3408
5 1342 1342/1342 1342 ± 0.00002439 5.294 4.999/5.473 5.257 ± 0.3242
6 1342 1342/1342 1342 ± 0.00002439 5.177 5.062/5.37 5.192 ± 0.2718
7 1342 1342/1342 1342 ± 0.00002439 5.274 5.118/5.385 5.226 ± 0.2797
8 1342 1342/1342 1342 ± 0.00002439 5.229 4.987/5.353 5.163 ± 0.3095
9 1342 1342/1342 1342 ± 0.00002439 5.433 5.203/5.631 5.382 ± 0.3504
10 1342 1342/1342 1342 ± 0.00002439 5.744 5.496/6.045 5.718 ± 0.3596
11 1342 1342/1342 1342 ± 0.00002439 5.894 5.762/6.138 5.898 ± 0.3583
12 1342 1342/1342 1342 ± 0.00002439 6.041 5.85/6.142 5.933 ± 0.5114
13 1342 1342/1342 1342 ± 0.00002439 6.3 6.046/6.573 6.292 ± 0.4598
14 1342 1342/1342 1342 ± 0.00002439 6.452 6.066/6.647 6.372 ± 0.4909
15 1342 1342/1342 1342 ± 0.00002448 5.871 5.498/6.084 5.785 ± 0.4131
16 1342 1342/1342 1342 ± 0.00003415 5.466 5.122/5.632 5.361 ± 0.3479
17 1342 1342/1342 1342 ± 0.00003461 5.299 5.084/5.555 5.315 ± 0.3614
overwrite_modelcol
False
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-12-03 06:55:16.359
End
2024-12-03 07:48:27.776
Duration
0:53:11.417
Note, WebLog generation is not included in the time.

CASA logs for stage 8