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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.443 5.327/5.886 5.637 ± 0.4774
ea02 1342 1342/1342 1342 ± 0 5.889 5.444/6.452 5.94 ± 0.5567
ea04 1342 1342/1342 1342 ± 0 5.603 5.283/6.161 5.734 ± 0.4872
ea05 1342 1342/1342 1342 ± 0 5.875 5.441/6.224 5.869 ± 0.5129
ea06 1342 1342/1342 1342 ± 0 2.984 2.933/3.248 3.083 ± 0.1908
ea07 1342 1342/1342 1342 ± 0 5.626 5.485/5.795 5.632 ± 0.1936
ea08 1342 1342/1342 1342 ± 0 5.889 5.561/6.542 6.051 ± 0.6022
ea09 1342 1342/1342 1342 ± 0 5.036 4.905/5.493 5.186 ± 0.3642
ea10 1342 1342/1342 1342 ± 0 5.6 5.318/6.346 5.788 ± 0.5286
ea11 1342 1342/1342 1342 ± 0 5.823 5.562/6.385 5.985 ± 0.5062
ea12 1342 1342/1342 1342 ± 0 5.962 5.429/6.284 5.945 ± 0.5146
ea13 1342 1342/1342 1342 ± 0 5.986 5.766/6.216 6.076 ± 0.3975
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.159 5.013/5.338 5.169 ± 0.2665
ea17 1342 1342/1342 1342 ± 0.00001316 6.053 5.772/6.517 6.209 ± 0.5248
ea18 1342 1342/1342 1342 ± 0 5.189 4.941/5.606 5.282 ± 0.3962
ea19 1342 1342/1342 1342 ± 0 6.587 6.256/6.894 6.612 ± 0.3576
ea21 1342 1342/1342 1342 ± 0 5.829 5.527/6.34 5.96 ± 0.4924
ea22 1342 1342/1342 1342 ± 0 5.359 5.171/6.039 5.587 ± 0.5241
ea23 1342 1342/1342 1342 ± 0 6.087 5.561/6.485 6.078 ± 0.5899
ea25 1342 1342/1342 1342 ± 0 5.457 5.398/5.562 5.455 ± 0.1506
ea26 1342 1342/1342 1342 ± 0 5.914 5.67/6.541 6.069 ± 0.4969
ea27 1342 1342/1342 1342 ± 0.000009091 5.513 5.319/6.3 5.732 ± 0.5042
ea28 1342 1342/1342 1342 ± 0.000005934 5.658 5.443/6.336 5.858 ± 0.5601
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 ± 0.000026 5.537 5.41/5.759 5.512 ± 0.3001
3 1342 1342/1342 1342 ± 0.00003341 5.394 5.13/5.693 5.403 ± 0.3166
4 1342 1342/1342 1342 ± 0.000026 5.431 5.188/5.584 5.367 ± 0.3029
5 1342 1342/1342 1342 ± 0.000026 5.459 5.323/5.653 5.474 ± 0.2879
6 1342 1342/1342 1342 ± 0.000026 5.403 5.238/5.505 5.369 ± 0.2467
7 1342 1342/1342 1342 ± 0.000026 5.395 5.277/5.531 5.396 ± 0.2255
8 1342 1342/1342 1342 ± 0.000026 5.422 5.144/5.525 5.35 ± 0.2773
9 1342 1342/1342 1342 ± 0.000026 5.687 5.315/5.858 5.582 ± 0.3419
10 1342 1342/1342 1342 ± 0.000026 6.01 5.808/6.167 5.809 ± 0.6366
11 1342 1342/1342 1342 ± 0.000026 6.246 5.961/6.342 5.973 ± 0.7637
12 1342 1342/1342 1342 ± 0.000026 6.355 6.064/6.462 6.107 ± 0.791
13 1342 1342/1342 1342 ± 0.000026 6.789 6.383/6.888 6.459 ± 0.8308
14 1342 1342/1342 1342 ± 0.000026 6.875 6.601/7.063 6.596 ± 0.855
15 1342 1342/1342 1342 ± 0.000026 6.451 6.198/6.62 6.2 ± 0.8429
16 1342 1342/1342 1342 ± 0.00002719 5.568 5.314/5.965 5.547 ± 0.7185
17 1342 1342/1342 1342 ± 0.0000269 5.62 5.405/6.098 5.588 ± 0.7007
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-03-29 08:05:41.839
End
2024-03-29 09:19:54.026
Duration
1:14:12.187
Note, WebLog generation is not included in the time.

CASA logs for stage 7