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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.366 5.262/5.96 5.421 ± 0.8166
ea02 1342 1342/1342 1342 ± 0.00004223 5.805 5.381/6.421 5.716 ± 0.9846
ea05 1342 1342/1342 1342 ± 0.00001873 5.57 5.156/6.593 5.738 ± 0.8241
ea06 1342 1342/1342 1342 ± 0.000007039 4.947 4.84/5.445 4.988 ± 0.5745
ea07 1342 1342/1342 1342 ± 0.00004204 5.764 5.355/6.056 5.583 ± 0.8106
ea08 1342 1342/1342 1342 ± 0.0000423 5.931 5.667/6.769 5.976 ± 1.034
ea09 1342 1342/1342 1342 ± 0.00001436 3.875 3.325/5.818 4.456 ± 1.178
ea10 1342 1342/1342 1342 ± 0.00004212 5.341 5.062/6.317 5.512 ± 0.8505
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000002986 5.754 5.438/6.68 5.89 ± 0.9798
ea13 1342 1342/1342 1342 ± 0.0000154 5.878 5.71/6.395 5.9 ± 0.771
ea14 1342 1342/1342 1342 ± 0.00001495 6.593 5.768/6.969 6.112 ± 1.1
ea15 1342 1342/1342 1342 ± 0 5.395 5.228/6.308 5.666 ± 0.8696
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.0000424 5.958 5.622/6.658 5.91 ± 0.9919
ea18 1342 1342/1342 1342 ± 0.00002606 4.995 4.708/5.849 5.122 ± 0.7507
ea19 1342 1342/1342 1342 ± 0.00001006 5.712 5.413/6.752 5.912 ± 0.8681
ea20 1342 1342/1342 1342 ± 0.00001405 5.993 5.837/7.165 6.149 ± 1.071
ea21 1342 1342/1342 1342 ± 0.00002956 5.577 5.355/6.409 5.714 ± 0.8428
ea22 1342 1342/1342 1342 ± 0.00003442 5.361 5.121/6.277 5.47 ± 0.8807
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.412 5.334/5.444 5.391 ± 0.1693
ea26 1342 1342/1342 1342 ± 0.00001555 5.666 5.518/6.608 5.791 ± 0.8204
ea27 1342 1342/1342 1342 ± 0.00004448 5.543 5.187/6.451 5.595 ± 0.8881
ea28 1342 1342/1342 1342 ± 0.0000548 6.541 5.602/6.701 5.925 ± 1.259
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 ± 0.00002665 5.443 5.192/5.742 5.409 ± 0.5099
3 1342 1342/1342 1342 ± 0.00002663 5.525 5.13/5.704 5.364 ± 0.5627
5 1342 1342/1342 1342 ± 0.00002695 5.411 5.273/5.608 5.311 ± 0.5559
6 1342 1342/1342 1342 ± 0.00002665 5.373 5.091/5.507 5.257 ± 0.526
7 1342 1342/1342 1342 ± 0.00002665 5.378 5.132/5.591 5.274 ± 0.5122
8 1342 1342/1342 1342 ± 0.00002665 5.367 5.063/5.42 5.201 ± 0.5205
9 1342 1342/1342 1342 ± 0.00002665 5.619 5.372/5.837 5.493 ± 0.602
10 1342 1342/1342 1342 ± 0.00002604 6.095 5.824/6.171 6.011 ± 0.3563
11 1342 1342/1342 1342 ± 0.00002604 6.374 6.291/6.524 6.313 ± 0.3708
12 1342 1342/1342 1342 ± 0.00002604 6.606 6.278/6.694 6.488 ± 0.3895
13 1342 1342/1342 1342 ± 0.00002604 6.729 6.345/7.027 6.698 ± 0.4342
14 1342 1342/1342 1342 ± 0.00003272 6.574 6.205/7.023 6.593 ± 0.5445
15 1342 1342/1342 1342 ± 0.00002604 6.777 6.63/7.108 6.731 ± 0.4895
16 1342 1342/1342 1342 ± 0.00006099 3.935 3.774/4.226 3.996 ± 0.3211
17 1342 1342/1342 1342 ± 0.00006077 3.942 3.8/4.199 3.995 ± 0.2485
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-22 06:57:32.249
End
2024-04-22 08:00:45.903
Duration
1:03:13.654
Note, WebLog generation is not included in the time.

CASA logs for stage 7