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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.535 5.354/6.294 5.874 ± 0.599
ea02 1342 1342/1342 1342 ± 0.0000421 6.141 5.756/6.82 6.304 ± 0.644
ea03 1342 1342/1342 1342 ± 0 5.655 4.961/6.155 5.603 ± 0.6349
ea04 1342 1342/1342 1342 ± 0 5.691 5.381/6.209 5.826 ± 0.5402
ea05 1342 1342/1342 1342 ± 0 5.907 5.637/6.733 6.121 ± 0.6085
ea06 1342 1342/1342 1342 ± 0 5.032 4.849/5.561 5.198 ± 0.4127
ea07 1342 1342/1342 1342 ± 0.000004024 5.924 5.612/6.438 6.119 ± 0.6901
ea08 1342 1342/1342 1342 ± 0 6.102 5.715/6.951 6.349 ± 0.6741
ea09 1342 1342/1342 1342 ± 0 6.148 5.41/6.653 6.119 ± 0.6398
ea10 1342 1342/1342 1342 ± 0.000005688 6.024 5.504/6.942 6.137 ± 0.7442
ea11 1342 1342/1342 1342 ± 0 5.778 5.4/6.66 6.023 ± 0.7697
ea12 1342 1342/1342 1342 ± 0 5.739 5.484/6.56 6.028 ± 0.6594
ea13 1342 1342/1342 1342 ± 0 6.48 5.934/6.737 6.401 ± 0.5026
ea15 1342 1342/1342 1342 ± 0 6.136 5.661/6.7 6.242 ± 0.6555
ea16 1342 1342/1342 1342 ± 0.000008019 6.154 5.872/6.968 6.403 ± 0.7475
ea17 1342 1342/1342 1342 ± 0.000009271 6.254 5.928/7.179 6.556 ± 0.7209
ea18 1342 1342/1342 1342 ± 0 4.958 4.843/5.718 5.216 ± 0.4987
ea19 1342 1342/1342 1342 ± 0 6.108 5.634/6.788 6.216 ± 0.6101
ea20 1342 1342/1342 1342 ± 0 5.879 5.621/6.722 6.142 ± 0.6615
ea21 1342 1342/1342 1342 ± 0 5.826 5.619/6.615 6.093 ± 0.6084
ea22 1342 1342/1342 1342 ± 0 5.99 5.203/6.348 5.828 ± 0.6003
ea23 1342 1342/1342 1342 ± 0 5.703 5.585/6.729 6.186 ± 0.743
ea24 1342 1342/1342 1342 ± 0.000007022 6.013 5.653/6.813 6.217 ± 0.6264
ea25 1342 1342/1342 1342 ± 0 5.523 5.399/6.396 5.918 ± 0.6248
ea26 1342 1342/1342 1342 ± 0 6.558 6.005/7.23 6.61 ± 0.6838
ea27 1342 1342/1342 1342 ± 0.000001658 5.71 5.492/6.571 5.958 ± 0.6373
ea28 1342 1342/1342 1342 ± 0 5.614 5.424/6.453 5.933 ± 0.6047
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 ± 0.00002308 5.554 5.345/5.751 5.505 ± 0.2915
4 1342 1342/1342 1342 ± 0.0000311 5.236 4.996/5.495 5.26 ± 0.3533
5 1342 1342/1342 1342 ± 0.00002308 5.546 5.34/5.653 5.509 ± 0.3448
6 1342 1342/1342 1342 ± 0.00002308 5.551 5.336/5.712 5.478 ± 0.3146
7 1342 1342/1342 1342 ± 0.00002308 5.577 5.429/5.698 5.535 ± 0.2914
8 1342 1342/1342 1342 ± 0.00002308 5.515 5.309/5.646 5.469 ± 0.3311
9 1342 1342/1342 1342 ± 0.00002308 5.86 5.5/6.085 5.775 ± 0.3635
10 1342 1342/1342 1342 ± 0.00002308 6.261 6.023/6.462 6.211 ± 0.3504
11 1342 1342/1342 1342 ± 0.00002308 6.518 6.305/6.678 6.448 ± 0.3591
12 1342 1342/1342 1342 ± 0.00002308 6.648 6.444/6.792 6.601 ± 0.3987
13 1342 1342/1342 1342 ± 0.00002308 7.135 6.916/7.241 7.048 ± 0.4223
14 1342 1342/1342 1342 ± 0.00002308 7.294 7.038/7.521 7.224 ± 0.453
15 1342 1342/1342 1342 ± 0.00002308 6.783 6.533/7.075 6.748 ± 0.4466
16 1342 1342/1342 1342 ± 0.00002456 5.77 5.467/6.05 5.77 ± 0.4656
17 1342 1342/1342 1342 ± 0.00002367 5.939 5.621/6.233 5.913 ± 0.4911
datacolumn
residual_data
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-01-11 13:50:17.041
End
2025-01-11 15:00:19.310
Duration
1:10:02.269
Note, WebLog generation is not included in the time.

CASA logs for stage 8