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 5.511 5.349/5.867 5.637 ± 0.4334
ea02 1342 1342/1342 1342 ± 0 5.849 5.496/6.315 5.924 ± 0.4781
ea04 1342 1342/1342 1342 ± 0 5.521 5.258/6.125 5.686 ± 0.4747
ea05 1342 1342/1342 1342 ± 0 5.809 5.414/6.147 5.802 ± 0.4859
ea06 1342 1342/1342 1342 ± 0 2.941 2.844/3.16 3.012 ± 0.1939
ea07 1342 1342/1342 1342 ± 0 5.606 5.461/5.781 5.624 ± 0.2083
ea08 1342 1342/1342 1342 ± 0 5.881 5.576/6.494 6.031 ± 0.5659
ea09 1342 1342/1342 1342 ± 0 5.085 4.859/5.458 5.177 ± 0.3392
ea10 1342 1342/1342 1342 ± 0.00000122 5.618 5.357/6.272 5.769 ± 0.5174
ea11 1342 1342/1342 1342 ± 0 5.795 5.627/6.324 5.969 ± 0.4872
ea12 1342 1342/1342 1342 ± 0 5.931 5.484/6.302 5.978 ± 0.4939
ea13 1342 1342/1342 1342 ± 0 5.935 5.653/6.166 5.973 ± 0.404
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 5.054 4.831/5.18 5.053 ± 0.2998
ea17 1342 1342/1342 1342 ± 0.000008773 6.105 5.777/6.477 6.191 ± 0.5096
ea18 1342 1342/1342 1342 ± 0 5.186 4.96/5.662 5.302 ± 0.4085
ea19 1342 1342/1342 1342 ± 0 6.49 6.197/6.754 6.533 ± 0.3438
ea21 1342 1342/1342 1342 ± 0 5.653 5.424/6.198 5.827 ± 0.484
ea22 1342 1342/1342 1342 ± 0 5.479 5.122/5.964 5.572 ± 0.4992
ea23 1342 1342/1342 1342 ± 0 5.883 5.563/6.385 6.003 ± 0.543
ea25 1342 1342/1342 1342 ± 0.000001725 5.456 5.392/5.554 5.438 ± 0.1826
ea26 1342 1342/1342 1342 ± 0 6.097 5.609/6.521 6.058 ± 0.5128
ea27 1342 1342/1342 1342 ± 0.00001516 5.559 5.279/6.146 5.719 ± 0.5068
ea28 1342 1342/1342 1342 ± 0.000002112 5.657 5.515/6.304 5.863 ± 0.533
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 5.52 5.38/5.748 5.497 ± 0.3253
3 1342 1342/1342 1342 ± 0.00003301 5.167 4.987/5.52 5.258 ± 0.2973
4 1342 1342/1342 1342 ± 0.000026 5.424 5.251/5.615 5.392 ± 0.3197
5 1342 1342/1342 1342 ± 0.000026 5.471 5.34/5.667 5.474 ± 0.2739
6 1342 1342/1342 1342 ± 0.000026 5.398 5.137/5.487 5.336 ± 0.2477
7 1342 1342/1342 1342 ± 0.000026 5.4 5.277/5.52 5.371 ± 0.2176
8 1342 1342/1342 1342 ± 0.000026 5.369 5.116/5.471 5.319 ± 0.2857
9 1342 1342/1342 1342 ± 0.000026 5.642 5.287/5.833 5.557 ± 0.3471
10 1342 1342/1342 1342 ± 0.000026 5.975 5.766/6.095 5.766 ± 0.643
11 1342 1342/1342 1342 ± 0.000026 6.176 5.878/6.33 5.925 ± 0.7557
12 1342 1342/1342 1342 ± 0.000026 6.326 5.959/6.399 6.062 ± 0.7822
13 1342 1342/1342 1342 ± 0.000026 6.673 6.35/6.829 6.402 ± 0.8297
14 1342 1342/1342 1342 ± 0.000026 6.756 6.515/6.967 6.537 ± 0.8596
15 1342 1342/1342 1342 ± 0.000026 6.293 6.066/6.56 6.068 ± 0.8293
16 1342 1342/1342 1342 ± 0.00002796 5.621 5.472/5.955 5.573 ± 0.727
17 1342 1342/1342 1342 ± 0.00002677 5.695 5.563/6.137 5.61 ± 0.7181
output_dir
 
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-03-29 07:21:26.228
End
2024-03-29 08:07:42.910
Duration
0:46:16.683
Note, WebLog generation is not included in the time.

CASA logs for stage 7