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 5.265 5.174/5.912 5.34 ± 0.8809
ea02 1342 1342/1342 1342 ± 0.00004523 5.838 5.316/6.566 5.715 ± 1.039
ea05 1342 1342/1342 1342 ± 0.0000163 5.49 5.139/6.268 5.547 ± 0.8617
ea06 1342 1342/1342 1342 ± 0.000005135 4.956 4.841/5.485 4.919 ± 0.7571
ea07 1342 1342/1342 1342 ± 0.00004399 5.689 5.324/5.961 5.417 ± 0.866
ea08 1342 1342/1342 1342 ± 0.00004272 6.104 5.616/6.86 5.968 ± 1.13
ea09 1342 1342/1342 1342 ± 0.00001389 3.885 3.271/5.605 4.401 ± 1.146
ea10 1342 1342/1342 1342 ± 0.00004472 5.546 5.098/6.267 5.418 ± 0.9399
ea11 1342 1342/1342 1342 ± 0 5.829 5.291/6.468 5.944 ± 0.6053
ea12 1342 1342/1342 1342 ± 0.00001329 5.637 5.372/6.531 5.649 ± 1.109
ea13 1342 1342/1342 1342 ± 0.00001983 5.874 5.681/6.396 5.891 ± 0.8237
ea14 1342 1342/1342 1342 ± 0.00002157 6.41 5.979/6.574 5.794 ± 1.149
ea15 1342 1342/1342 1342 ± 0.000002615 5.363 5.184/6.247 5.514 ± 0.9696
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004383 5.923 5.525/6.703 5.783 ± 1.111
ea18 1342 1342/1342 1342 ± 0.00003482 5.04 4.757/5.721 4.942 ± 0.8906
ea19 1342 1342/1342 1342 ± 0.000003249 5.699 5.474/6.464 5.753 ± 0.8826
ea20 1342 1342/1342 1342 ± 0.00002165 5.944 5.775/6.816 5.954 ± 1.229
ea21 1342 1342/1342 1342 ± 0.00002308 5.533 5.316/6.253 5.492 ± 0.8903
ea22 1342 1342/1342 1342 ± 0.0000364 5.366 5.108/6.424 5.528 ± 0.9376
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.348 5.293/5.377 5.336 ± 0.1541
ea26 1342 1342/1342 1342 ± 0.00003067 5.632 5.499/6.597 5.767 ± 0.867
ea27 1342 1342/1342 1342 ± 0.00004646 5.501 5.072/6.378 5.464 ± 0.9849
ea28 1342 1342/1342 1342 ± 0.00005326 6.454 6.057/6.662 5.803 ± 1.331
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 ± 0.00002615 5.383 5.199/5.695 5.373 ± 0.5084
5 1342 1342/1342 1342 ± 0.00002697 5.37 5.205/5.504 5.291 ± 0.5511
6 1342 1342/1342 1342 ± 0.00002615 5.369 5.218/5.488 5.236 ± 0.523
7 1342 1342/1342 1342 ± 0.00002615 5.293 5.135/5.493 5.224 ± 0.499
8 1342 1342/1342 1342 ± 0.00002615 5.283 5.067/5.441 5.169 ± 0.5216
9 1342 1342/1342 1342 ± 0.00002615 5.579 5.436/5.782 5.455 ± 0.5978
10 1342 1342/1342 1342 ± 0.00002557 6.026 5.76/6.109 5.947 ± 0.3592
11 1342 1342/1342 1342 ± 0.00002557 6.281 6.231/6.45 6.235 ± 0.3596
12 1342 1342/1342 1342 ± 0.00002557 6.483 6.228/6.602 6.409 ± 0.3749
13 1342 1342/1342 1342 ± 0.00002584 6.784 6.308/6.894 6.655 ± 0.3941
14 1342 1342/1342 1342 ± 0.00003471 6.419 6.01/6.893 6.438 ± 0.5048
15 1342 1342/1342 1342 ± 0.00002663 6.56 6.408/6.743 6.504 ± 0.4811
16 1342 1342/1342 1342 ± 0.00006042 3.508 3.319/3.742 3.548 ± 0.3044
17 1342 1342/1342 1342 ± 0.00006086 3.681 3.499/3.92 3.702 ± 0.3141
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-22 19:52:20.014
End
2024-04-22 20:54:30.623
Duration
1:02:10.609
Note, WebLog generation is not included in the time.

CASA logs for stage 7