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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.636 5.371/6.089 5.768 ± 0.541
ea02 1342 1342/1342 1342 ± 0.00001677 5.908 5.509/6.676 6.107 ± 0.6325
ea04 1342 1342/1342 1342 ± 0 5.571 5.201/6.092 5.673 ± 0.5555
ea05 1342 1342/1342 1342 ± 0 5.752 5.314/6.201 5.798 ± 0.6064
ea06 1342 1342/1342 1342 ± 0 4.809 4.618/5.316 4.947 ± 0.4104
ea07 1342 1342/1342 1342 ± 0 6.066 5.584/6.37 6.097 ± 0.5788
ea08 1342 1342/1342 1342 ± 0.00001798 5.953 5.638/6.748 6.22 ± 0.6538
ea09 1342 1342/1342 1342 ± 0.000003667 5.696 5.258/6.295 5.805 ± 0.6497
ea10 1342 1342/1342 1342 ± 0 5.985 5.479/6.661 6.094 ± 0.6614
ea11 1342 1342/1342 1342 ± 0 5.881 5.253/6.43 5.906 ± 0.6777
ea12 1342 1342/1342 1342 ± 0 5.808 5.436/6.424 6.014 ± 0.643
ea13 1342 1342/1342 1342 ± 0.000001177 6.264 5.804/6.418 6.194 ± 0.5228
ea14 1342 1342/1342 1342 ± 0 5.852 5.295/6.414 5.924 ± 0.6786
ea15 1342 1342/1342 1342 ± 0 5.646 5.164/6.275 5.795 ± 0.7143
ea16 1342 1342/1342 1342 ± 0 6.283 5.781/6.83 6.421 ± 0.7369
ea17 1342 1342/1342 1342 ± 0.000009494 6.079 5.638/6.844 6.209 ± 0.6567
ea18 1342 1342/1342 1342 ± 0 5.067 4.787/5.619 5.211 ± 0.5274
ea19 1342 1342/1342 1342 ± 0 5.773 5.585/6.75 6.21 ± 0.6972
ea20 1342 1342/1342 1342 ± 0 6.176 5.759/6.769 6.302 ± 0.6685
ea21 1342 1342/1342 1342 ± 0 5.764 5.445/6.33 5.914 ± 0.5839
ea22 1342 1342/1342 1342 ± 0.0000102 5.729 5.264/6.338 5.83 ± 0.6306
ea23 1342 1342/1342 1342 ± 0 6.249 5.603/6.718 6.241 ± 0.6986
ea25 1342 1342/1342 1342 ± 0 5.74 5.321/6.281 5.834 ± 0.597
ea26 1342 1342/1342 1342 ± 0 6.171 5.658/6.781 6.23 ± 0.6623
ea27 1342 1342/1342 1342 ± 0.00001614 5.67 5.406/6.485 5.876 ± 0.6188
ea28 1342 1342/1342 1342 ± 0.00002682 5.709 5.491/6.499 5.96 ± 0.6582
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 ± 0.00002348 5.456 5.238/5.616 5.407 ± 0.2727
3 1342 1342/1342 1342 ± 0.00002568 5.265 5.099/5.528 5.274 ± 0.2981
4 1342 1342/1342 1342 ± 0.00002692 5.121 4.961/5.393 5.133 ± 0.328
5 1342 1342/1342 1342 ± 0.00002348 5.49 5.223/5.654 5.439 ± 0.3344
6 1342 1342/1342 1342 ± 0.00002348 5.431 5.186/5.583 5.375 ± 0.3043
7 1342 1342/1342 1342 ± 0.00002348 5.46 5.276/5.631 5.432 ± 0.2873
8 1342 1342/1342 1342 ± 0.00002348 5.456 5.249/5.569 5.384 ± 0.3111
9 1342 1342/1342 1342 ± 0.00002348 5.7 5.489/5.98 5.669 ± 0.3642
10 1342 1342/1342 1342 ± 0.00002393 6.114 5.93/6.332 6.082 ± 0.3399
11 1342 1342/1342 1342 ± 0.00002393 6.375 6.184/6.513 6.301 ± 0.3449
12 1342 1342/1342 1342 ± 0.00002348 6.486 6.385/6.722 6.482 ± 0.374
13 1342 1342/1342 1342 ± 0.00002348 6.987 6.884/7.183 6.959 ± 0.3995
14 1342 1342/1342 1342 ± 0.00002348 7.252 7.007/7.446 7.148 ± 0.4485
15 1342 1342/1342 1342 ± 0.00002348 6.698 6.442/6.883 6.621 ± 0.4071
16 1342 1342/1342 1342 ± 0.00003302 5.983 5.814/6.279 6.035 ± 0.3789
17 1342 1342/1342 1342 ± 0.00003106 6.029 5.813/6.316 6.039 ± 0.3642
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
Start time
2025-01-07 02:16:59.114
End
2025-01-07 03:10:12.198
Duration
0:53:13.085
Note, WebLog generation is not included in the time.

CASA logs for stage 8