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 5.361 5.172/5.996 5.432 ± 0.8408
ea02 1342 1342/1342 1342 ± 0.00004261 5.955 5.409/6.496 5.762 ± 0.9939
ea05 1342 1342/1342 1342 ± 0.00001569 5.532 5.151/6.581 5.72 ± 0.8634
ea06 1342 1342/1342 1342 ± 0.000007637 4.919 4.819/5.437 4.967 ± 0.5952
ea07 1342 1342/1342 1342 ± 0.00004249 5.833 5.383/6.072 5.58 ± 0.8451
ea08 1342 1342/1342 1342 ± 0.00004283 6.135 5.675/6.818 5.987 ± 1.064
ea09 1342 1342/1342 1342 ± 0.00001627 3.899 3.324/5.797 4.498 ± 1.183
ea10 1342 1342/1342 1342 ± 0.00004323 5.621 5.08/6.298 5.512 ± 0.8824
ea11 1342 1342/1342 1342 ± 0 5.896 5.374/6.561 6.059 ± 0.6432
ea12 1342 1342/1342 1342 ± 0.000007072 5.717 5.405/6.648 5.856 ± 1.029
ea13 1342 1342/1342 1342 ± 0.00001613 5.851 5.731/6.399 5.9 ± 0.7873
ea14 1342 1342/1342 1342 ± 0.00001638 6.653 6.125/6.933 6.095 ± 1.145
ea15 1342 1342/1342 1342 ± 0 5.495 5.229/6.308 5.656 ± 0.912
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004289 5.948 5.521/6.856 5.9 ± 1.046
ea18 1342 1342/1342 1342 ± 0.00002989 5.098 4.792/5.851 5.11 ± 0.8113
ea19 1342 1342/1342 1342 ± 0.00001053 5.714 5.438/6.777 5.91 ± 0.9147
ea20 1342 1342/1342 1342 ± 0.0000171 5.995 5.699/7.129 6.109 ± 1.131
ea21 1342 1342/1342 1342 ± 0.00002776 5.563 5.367/6.45 5.707 ± 0.8986
ea22 1342 1342/1342 1342 ± 0.00003147 5.392 5.152/6.33 5.496 ± 0.9123
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.357 5.291/5.447 5.361 ± 0.1818
ea26 1342 1342/1342 1342 ± 0.00001733 5.666 5.531/6.679 5.799 ± 0.8468
ea27 1342 1342/1342 1342 ± 0.00004157 5.555 5.161/6.495 5.68 ± 0.8189
ea28 1342 1342/1342 1342 ± 0.00005522 6.56 5.962/6.676 5.899 ± 1.274
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 ± 0.00002654 5.476 5.327/5.75 5.419 ± 0.5042
5 1342 1342/1342 1342 ± 0.0000271 5.321 5.19/5.509 5.255 ± 0.5204
6 1342 1342/1342 1342 ± 0.00002654 5.406 5.265/5.479 5.282 ± 0.5305
7 1342 1342/1342 1342 ± 0.00002654 5.373 5.198/5.496 5.288 ± 0.512
8 1342 1342/1342 1342 ± 0.00002654 5.374 5.146/5.44 5.214 ± 0.5218
9 1342 1342/1342 1342 ± 0.00002654 5.641 5.505/5.841 5.507 ± 0.5991
10 1342 1342/1342 1342 ± 0.00002592 6.109 5.882/6.166 6.022 ± 0.3418
11 1342 1342/1342 1342 ± 0.00002592 6.367 6.285/6.547 6.318 ± 0.361
12 1342 1342/1342 1342 ± 0.00002592 6.61 6.297/6.684 6.493 ± 0.3797
13 1342 1342/1342 1342 ± 0.00002592 6.759 6.408/7.065 6.724 ± 0.4281
14 1342 1342/1342 1342 ± 0.00003441 6.701 6.209/7.001 6.631 ± 0.5226
15 1342 1342/1342 1342 ± 0.00002627 6.769 6.616/7.072 6.713 ± 0.4837
16 1342 1342/1342 1342 ± 0.00006097 3.859 3.702/4.126 3.912 ± 0.2719
17 1342 1342/1342 1342 ± 0.0000605 3.871 3.764/4.115 3.929 ± 0.2403
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-22 01:03:15.471
End
2024-04-22 01:40:17.135
Duration
0:37:01.665
Note, WebLog generation is not included in the time.

CASA logs for stage 7