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 5.371 5.235/6.127 5.502 ± 0.8256
ea02 1342 1342/1342 1342 ± 0.00005004 5.737 5.366/6.637 5.733 ± 1.017
ea05 1342 1342/1342 1342 ± 0.00001183 5.548 5.128/6.458 5.621 ± 0.8433
ea06 1342 1342/1342 1342 ± 0.000005066 4.885 4.797/5.439 4.932 ± 0.6374
ea07 1342 1342/1342 1342 ± 0.00004132 5.784 5.371/6.032 5.522 ± 0.8252
ea08 1342 1342/1342 1342 ± 0.00004272 6.045 5.653/6.753 5.968 ± 1.07
ea09 1342 1342/1342 1342 ± 0.00002383 3.878 3.371/5.715 4.46 ± 1.141
ea10 1342 1342/1342 1342 ± 0.00003492 5.645 5.166/6.334 5.653 ± 0.7429
ea11 1342 1342/1342 1342 ± 0 5.863 5.424/6.58 6.059 ± 0.6517
ea12 1342 1342/1342 1342 ± 0.00000424 5.691 5.354/6.522 5.749 ± 1.038
ea13 1342 1342/1342 1342 ± 0.000004497 5.919 5.753/6.41 5.928 ± 0.8095
ea14 1342 1342/1342 1342 ± 0.00001641 6.532 5.669/6.689 5.948 ± 1.16
ea15 1342 1342/1342 1342 ± 0.000001731 5.382 5.164/6.203 5.548 ± 0.8869
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00003841 5.901 5.555/6.907 5.964 ± 0.988
ea18 1342 1342/1342 1342 ± 0.00003194 5.059 4.847/5.786 5.074 ± 0.8562
ea19 1342 1342/1342 1342 ± 0.000005775 5.696 5.439/6.718 5.828 ± 0.8968
ea20 1342 1342/1342 1342 ± 0.00001814 5.935 5.71/7.022 6.025 ± 1.172
ea21 1342 1342/1342 1342 ± 0.00002265 5.5 5.331/6.363 5.608 ± 0.8719
ea22 1342 1342/1342 1342 ± 0.00003087 5.465 5.17/6.485 5.557 ± 0.9146
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.423 5.367/5.46 5.407 ± 0.1326
ea26 1342 1342/1342 1342 ± 0.00001407 5.647 5.542/6.635 5.806 ± 0.8646
ea27 1342 1342/1342 1342 ± 0.00004267 5.59 5.171/6.465 5.677 ± 0.8432
ea28 1342 1342/1342 1342 ± 0.00005344 6.532 5.708/6.662 5.889 ± 1.262
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 5.473 5.275/5.703 5.396 ± 0.4974
5 1342 1342/1342 1342 ± 0.00002743 5.375 5.159/5.532 5.265 ± 0.5226
6 1342 1342/1342 1342 ± 0.00002615 5.479 5.173/5.594 5.336 ± 0.5302
7 1342 1342/1342 1342 ± 0.00002615 5.377 5.171/5.527 5.284 ± 0.5046
8 1342 1342/1342 1342 ± 0.00002615 5.334 5.118/5.483 5.209 ± 0.5227
9 1342 1342/1342 1342 ± 0.00002615 5.602 5.414/5.813 5.466 ± 0.5887
10 1342 1342/1342 1342 ± 0.00002557 6.06 5.836/6.202 6.001 ± 0.3617
11 1342 1342/1342 1342 ± 0.00002557 6.396 6.186/6.466 6.278 ± 0.3621
12 1342 1342/1342 1342 ± 0.00002557 6.542 6.204/6.645 6.442 ± 0.3758
13 1342 1342/1342 1342 ± 0.0000256 6.765 6.367/6.941 6.684 ± 0.3923
14 1342 1342/1342 1342 ± 0.00003473 6.611 6.159/6.927 6.556 ± 0.4731
15 1342 1342/1342 1342 ± 0.00002615 6.684 6.535/7.011 6.649 ± 0.4944
16 1342 1342/1342 1342 ± 0.00006061 3.784 3.646/4.003 3.816 ± 0.232
17 1342 1342/1342 1342 ± 0.0000604 3.82 3.679/4.006 3.833 ± 0.2597
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-07-03 05:53:54.317
End
2024-07-03 06:21:47.002
Duration
0:27:52.684
Note, WebLog generation is not included in the time.

CASA logs for stage 8