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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.713 5.352/6.118 5.75 ± 0.4581
ea02 1342 1342/1342 1342 ± 0 5.905 5.616/6.595 6.106 ± 0.5806
ea04 1342 1342/1342 1342 ± 0 5.525 5.135/6.138 5.64 ± 0.5475
ea05 1342 1342/1342 1342 ± 0 5.871 5.372/6.393 5.889 ± 0.5833
ea06 1342 1342/1342 1342 ± 0 4.942 4.562/5.301 4.943 ± 0.4029
ea07 1342 1342/1342 1342 ± 0.00001139 5.694 5.442/6.248 5.903 ± 0.5675
ea08 1342 1342/1342 1342 ± 0 5.926 5.61/6.678 6.195 ± 0.6097
ea09 1342 1342/1342 1342 ± 0 5.857 5.313/6.535 5.927 ± 0.6064
ea10 1342 1342/1342 1342 ± 0.00001344 5.525 5.214/6.344 5.755 ± 0.5663
ea11 1342 1342/1342 1342 ± 0 6.003 5.218/6.339 5.9 ± 0.6125
ea12 1342 1342/1342 1342 ± 0 6.003 5.394/6.487 6.035 ± 0.6406
ea13 1342 1342/1342 1342 ± 0 6.334 5.765/6.408 6.19 ± 0.4669
ea14 1342 1342/1342 1342 ± 0 5.708 5.337/6.419 5.863 ± 0.6468
ea15 1342 1342/1342 1342 ± 0 5.747 5.091/6.238 5.754 ± 0.6932
ea16 1342 1342/1342 1342 ± 0 6.048 5.803/6.8 6.259 ± 0.6658
ea17 1342 1342/1342 1342 ± 0 5.973 5.588/6.456 6.086 ± 0.5759
ea18 1342 1342/1342 1342 ± 0 5.204 4.826/5.691 5.262 ± 0.5163
ea19 1342 1342/1342 1342 ± 0 6.147 5.603/6.771 6.17 ± 0.622
ea20 1342 1342/1342 1342 ± 0 6.376 5.745/6.774 6.297 ± 0.6193
ea21 1342 1342/1342 1342 ± 0 5.567 5.44/6.309 5.835 ± 0.5643
ea22 1342 1342/1342 1342 ± 0 5.814 5.33/6.438 5.893 ± 0.5855
ea23 1342 1342/1342 1342 ± 0.000003112 5.639 5.524/6.596 6.05 ± 0.6624
ea25 1342 1342/1342 1342 ± 0 5.84 5.313/6.134 5.807 ± 0.5672
ea26 1342 1342/1342 1342 ± 0 6.203 5.628/6.731 6.201 ± 0.5683
ea27 1342 1342/1342 1342 ± 0.00004138 5.609 5.369/6.392 5.836 ± 0.5464
ea28 1342 1342/1342 1342 ± 0 5.666 5.43/6.404 5.927 ± 0.5905
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 ± 0.0000235 5.417 5.231/5.619 5.4 ± 0.2627
4 1342 1342/1342 1342 ± 0.0000235 5.264 5.159/5.493 5.272 ± 0.3557
5 1342 1342/1342 1342 ± 0.0000235 5.417 5.229/5.564 5.41 ± 0.33
6 1342 1342/1342 1342 ± 0.0000235 5.313 5.104/5.502 5.298 ± 0.3006
7 1342 1342/1342 1342 ± 0.0000235 5.452 5.217/5.587 5.393 ± 0.2802
8 1342 1342/1342 1342 ± 0.0000235 5.433 5.183/5.571 5.35 ± 0.3003
9 1342 1342/1342 1342 ± 0.0000235 5.702 5.519/5.879 5.635 ± 0.3397
10 1342 1342/1342 1342 ± 0.0000235 6.126 5.995/6.249 6.057 ± 0.3189
11 1342 1342/1342 1342 ± 0.0000235 6.344 6.161/6.416 6.272 ± 0.3337
12 1342 1342/1342 1342 ± 0.0000235 6.487 6.312/6.655 6.425 ± 0.3515
13 1342 1342/1342 1342 ± 0.0000235 6.919 6.749/7.047 6.846 ± 0.3829
14 1342 1342/1342 1342 ± 0.0000235 7.032 6.847/7.235 6.974 ± 0.4145
15 1342 1342/1342 1342 ± 0.0000235 6.46 6.315/6.729 6.456 ± 0.362
16 1342 1342/1342 1342 ± 0.00003389 5.838 5.654/6.084 5.878 ± 0.346
17 1342 1342/1342 1342 ± 0.00003351 5.874 5.639/6.142 5.882 ± 0.34
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-17 11:23:04.177
End
2024-05-17 12:35:36.479
Duration
1:12:32.302
Note, WebLog generation is not included in the time.

CASA logs for stage 8