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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.566 5.51/6.285 5.884 ± 0.5992
ea02 1342 1342/1342 1342 ± 0.0000415 6.098 5.613/6.738 6.2 ± 0.654
ea03 1342 1342/1342 1342 ± 0 5.735 5.006/6.201 5.659 ± 0.6148
ea04 1342 1342/1342 1342 ± 0 5.66 5.237/6.184 5.771 ± 0.5306
ea05 1342 1342/1342 1342 ± 0 6.19 5.62/6.635 6.016 ± 0.6925
ea06 1342 1342/1342 1342 ± 0 4.878 4.856/4.924 4.776 ± 0.2713
ea07 1342 1342/1342 1342 ± 0 6.154 5.751/6.479 6.277 ± 0.5599
ea08 1342 1342/1342 1342 ± 0 6.089 5.731/6.912 6.287 ± 0.7114
ea09 1342 1342/1342 1342 ± 0 5.976 5.475/6.704 6.035 ± 0.7362
ea10 1342 1342/1342 1342 ± 0 6.035 5.601/6.768 6.16 ± 0.6644
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.044 5.462/6.448 6.014 ± 0.7057
ea13 1342 1342/1342 1342 ± 0 6.617 6.014/7.126 6.452 ± 0.6896
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.145 5.659/6.598 6.187 ± 0.6794
ea16 1342 1342/1342 1342 ± 0 6.445 5.931/7.001 6.469 ± 0.7869
ea17 1342 1342/1342 1342 ± 0 6.656 6.022/7.263 6.671 ± 0.6582
ea18 1342 1342/1342 1342 ± 0 5.173 4.785/5.588 5.243 ± 0.4653
ea19 1342 1342/1342 1342 ± 0 6.28 5.672/6.748 6.231 ± 0.5855
ea20 1342 1342/1342 1342 ± 0 6.089 5.616/6.721 6.104 ± 0.6874
ea21 1342 1342/1342 1342 ± 0 6.022 5.662/6.605 6.094 ± 0.647
ea22 1342 1342/1342 1342 ± 0 5.989 5.515/6.483 5.968 ± 0.5861
ea23 1342 1342/1342 1342 ± 0 6.31 5.704/6.715 6.243 ± 0.7139
ea24 1342 1342/1342 1342 ± 0 6.124 5.726/6.818 6.189 ± 0.6812
ea25 1342 1342/1342 1342 ± 0 5.792 5.48/6.379 5.929 ± 0.591
ea26 1342 1342/1342 1342 ± 0 6.608 5.945/7.259 6.531 ± 0.7597
ea27 1342 1342/1342 1342 ± 0 5.698 5.597/6.54 5.953 ± 0.6336
ea28 1342 1342/1342 1342 ± 0 5.637 5.403/6.398 5.846 ± 0.6434
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 ± 0.00002388 5.63 5.422/5.769 5.557 ± 0.3102
4 1342 1342/1342 1342 ± 0.00002793 4.81 4.595/4.952 4.756 ± 0.2504
5 1342 1342/1342 1342 ± 0.00002388 5.561 5.295/5.748 5.523 ± 0.3551
6 1342 1342/1342 1342 ± 0.00002388 5.578 5.415/5.772 5.535 ± 0.3363
7 1342 1342/1342 1342 ± 0.00002388 5.599 5.416/5.677 5.533 ± 0.3032
8 1342 1342/1342 1342 ± 0.00002388 5.501 5.309/5.663 5.454 ± 0.3411
9 1342 1342/1342 1342 ± 0.00002388 5.78 5.525/6.082 5.736 ± 0.3829
10 1342 1342/1342 1342 ± 0.00002435 6.248 6.046/6.446 6.213 ± 0.3408
11 1342 1342/1342 1342 ± 0.00002435 6.521 6.31/6.65 6.445 ± 0.3335
12 1342 1342/1342 1342 ± 0.00002435 6.644 6.442/6.755 6.614 ± 0.3706
13 1342 1342/1342 1342 ± 0.00002435 7.074 6.892/7.142 7.018 ± 0.3674
14 1342 1342/1342 1342 ± 0.00002435 7.204 6.997/7.451 7.194 ± 0.3954
15 1342 1342/1342 1342 ± 0.00002435 6.818 6.634/7.02 6.796 ± 0.3638
16 1342 1342/1342 1342 ± 0.00002485 6.138 5.889/6.352 6.166 ± 0.3805
17 1342 1342/1342 1342 ± 0.00002485 6.181 6.008/6.38 6.194 ± 0.3555
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-11 04:32:08.538
End
2025-01-11 05:50:38.022
Duration
1:18:29.484
Note, WebLog generation is not included in the time.

CASA logs for stage 8