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

Statwt Summary Plot

VLASS2.1.sb38539165.eb38696919.59128.74249967592_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 5.739 5.189/6.07 5.64 ± 0.5605
ea02 1342 1342/1342 1342 ± 0.00002436 5.798 5.374/6.399 5.919 ± 0.6704
ea03 1342 1342/1342 1342 ± 0 5.254 4.651/5.858 5.276 ± 0.6504
ea04 1342 1342/1342 1342 ± 0 5.471 5.073/6.072 5.622 ± 0.5877
ea05 1342 1342/1342 1342 ± 0 5.665 5.296/6.259 5.807 ± 0.614
ea06 1342 1342/1342 1342 ± 0 5.001 4.813/5.46 5.125 ± 0.3803
ea07 1342 1342/1342 1342 ± 0 5.942 5.425/6.303 5.963 ± 0.635
ea08 1342 1342/1342 1342 ± 0.000002126 5.82 5.542/6.651 6.071 ± 0.7174
ea09 1342 1342/1342 1342 ± 0 5.737 5.136/6.444 5.78 ± 0.6695
ea10 1342 1342/1342 1342 ± 0 5.816 5.32/6.574 5.882 ± 0.6853
ea11 1342 1342/1342 1342 ± 0 6.292 5.862/6.676 6.286 ± 0.6923
ea12 1342 1342/1342 1342 ± 0 5.721 5.353/6.186 5.844 ± 0.5901
ea13 1342 1342/1342 1342 ± 0 6.097 5.707/6.394 6.125 ± 0.5525
ea14 1342 1342/1342 1342 ± 0 5.916 5.333/6.448 5.925 ± 0.7048
ea15 1342 1342/1342 1342 ± 0 5.66 5.196/6.267 5.78 ± 0.707
ea16 1342 1342/1342 1342 ± 0 6.151 5.642/6.694 6.245 ± 0.7857
ea17 1342 1342/1342 1342 ± 0.00001571 6.285 5.831/6.863 6.395 ± 0.708
ea18 1342 1342/1342 1342 ± 0.000001503 4.925 4.634/5.43 5.052 ± 0.528
ea19 1342 1342/1342 1342 ± 0 5.806 5.393/6.46 5.962 ± 0.6243
ea21 1342 1342/1342 1342 ± 0 5.758 5.364/6.367 5.884 ± 0.6143
ea22 1342 1342/1342 1342 ± 0 5.559 5.164/6.274 5.706 ± 0.6574
ea23 1342 1342/1342 1342 ± 0 6.008 5.528/6.543 6.068 ± 0.7281
ea25 1342 1342/1342 1342 ± 0.000008484 5.686 5.254/6.257 5.77 ± 0.6193
ea26 1342 1342/1342 1342 ± 0 6.064 5.455/6.674 6.128 ± 0.7524
ea27 1342 1342/1342 1342 ± 0.000025 5.616 5.306/6.494 5.813 ± 0.6424
ea28 1342 1342/1342 1342 ± 0.000004507 5.373 5.162/6.129 5.598 ± 0.6093
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 ± 0.00002348 5.334 5.164/5.529 5.309 ± 0.2722
3 1342 1342/1342 1342 ± 0.0000274 4.929 4.72/5.184 4.941 ± 0.3053
4 1342 1342/1342 1342 ± 0.0000258 5.108 4.825/5.315 5.102 ± 0.4041
5 1342 1342/1342 1342 ± 0.00002392 5.268 5.065/5.42 5.271 ± 0.3219
6 1342 1342/1342 1342 ± 0.00002392 5.347 5.125/5.422 5.265 ± 0.3001
7 1342 1342/1342 1342 ± 0.00002392 5.319 5.188/5.456 5.326 ± 0.2806
8 1342 1342/1342 1342 ± 0.00002392 5.268 5.118/5.489 5.292 ± 0.3084
9 1342 1342/1342 1342 ± 0.00002392 5.61 5.373/5.897 5.589 ± 0.3487
10 1342 1342/1342 1342 ± 0.00002392 6.036 5.805/6.278 5.997 ± 0.3432
11 1342 1342/1342 1342 ± 0.00002348 6.313 6.091/6.476 6.231 ± 0.3408
12 1342 1342/1342 1342 ± 0.00002392 6.432 6.238/6.583 6.392 ± 0.3732
13 1342 1342/1342 1342 ± 0.00002392 6.878 6.66/6.986 6.82 ± 0.404
14 1342 1342/1342 1342 ± 0.00002348 7.009 6.849/7.281 6.991 ± 0.4438
15 1342 1342/1342 1342 ± 0.00002392 6.649 6.459/6.887 6.59 ± 0.435
16 1342 1342/1342 1342 ± 0.00002538 5.98 5.705/6.2 5.946 ± 0.3714
17 1342 1342/1342 1342 ± 0.00002919 5.85 5.762/6.127 5.91 ± 0.3492
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38539165.eb38696919.59128.74249967592_split_split.ms
statwtmode
VLASS-SE
Start time
2025-02-01 00:31:00.019
End
2025-02-01 00:59:52.104
Duration
0:28:52.085
Note, WebLog generation is not included in the time.

CASA logs for stage 8