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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.379 5.033/5.785 5.454 ± 0.508
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.448 5.076/5.991 5.566 ± 0.5654
ea05 1342 1342/1342 1342 ± 0 5.568 5.15/6.147 5.672 ± 0.5792
ea06 1342 1342/1342 1342 ± 0 4.938 4.738/5.336 5.011 ± 0.3911
ea07 1342 1342/1342 1342 ± 0 5.782 5.241/6.061 5.801 ± 0.5696
ea08 1342 1342/1342 1342 ± 0 5.667 5.298/6.346 5.817 ± 0.6486
ea09 1342 1342/1342 1342 ± 0 5.467 4.967/6.179 5.553 ± 0.5974
ea10 1342 1342/1342 1342 ± 0 5.681 5.112/6.415 5.738 ± 0.6579
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.737 5.278/6.28 5.844 ± 0.6322
ea13 1342 1342/1342 1342 ± 0 5.887 5.521/6.122 5.891 ± 0.4637
ea14 1342 1342/1342 1342 ± 0 5.672 5.12/6.2 5.661 ± 0.6523
ea15 1342 1342/1342 1342 ± 0 5.462 4.983/6.003 5.544 ± 0.6568
ea16 1342 1342/1342 1342 ± 0 5.942 5.39/6.351 5.987 ± 0.6949
ea17 1342 1342/1342 1342 ± 0.000002727 5.832 5.459/6.311 5.939 ± 0.621
ea18 1342 1342/1342 1342 ± 0 4.917 4.66/5.311 4.99 ± 0.4923
ea19 1342 1342/1342 1342 ± 0 5.827 5.411/6.442 5.964 ± 0.6118
ea20 1342 1342/1342 1342 ± 0 5.964 5.608/6.588 6.063 ± 0.6392
ea21 1342 1342/1342 1342 ± 0 5.446 5.206/6.062 5.602 ± 0.5408
ea22 1342 1342/1342 1342 ± 0 5.478 5.001/6.107 5.558 ± 0.6262
ea23 1342 1342/1342 1342 ± 0 5.849 5.348/6.42 5.897 ± 0.6655
ea25 1342 1342/1342 1342 ± 0.00000122 5.416 5.085/5.901 5.51 ± 0.5652
ea26 1342 1342/1342 1342 ± 0 5.771 5.375/6.401 5.859 ± 0.6507
ea27 1342 1342/1342 1342 ± 0.00001087 5.439 4.992/6.222 5.585 ± 0.6141
ea28 1342 1342/1342 1342 ± 0 5.44 5.195/6.124 5.612 ± 0.6005
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 ± 0.00002444 5.31 5.066/5.444 5.273 ± 0.2488
3 1342 1342/1342 1342 ± 0.00002617 4.948 4.763/5.229 4.989 ± 0.2779
4 1342 1342/1342 1342 ± 0.00002444 5.04 4.909/5.216 5.033 ± 0.297
5 1342 1342/1342 1342 ± 0.00002444 5.198 4.966/5.29 5.157 ± 0.2746
6 1342 1342/1342 1342 ± 0.00002462 4.928 4.77/5.03 4.907 ± 0.2319
7 1342 1342/1342 1342 ± 0.00002444 5.21 5.073/5.356 5.222 ± 0.2299
8 1342 1342/1342 1342 ± 0.00002444 5.203 5.012/5.39 5.182 ± 0.2645
9 1342 1342/1342 1342 ± 0.00002444 5.448 5.306/5.737 5.449 ± 0.2944
10 1342 1342/1342 1342 ± 0.00002444 5.879 5.652/6.047 5.854 ± 0.2862
11 1342 1342/1342 1342 ± 0.00002444 6.098 5.974/6.261 6.07 ± 0.3095
12 1342 1342/1342 1342 ± 0.00002444 6.23 6.033/6.442 6.209 ± 0.3368
13 1342 1342/1342 1342 ± 0.00002444 6.64 6.502/6.908 6.606 ± 0.3512
14 1342 1342/1342 1342 ± 0.00002444 6.718 6.597/7.05 6.754 ± 0.3734
15 1342 1342/1342 1342 ± 0.00002444 6.422 6.259/6.664 6.384 ± 0.3521
16 1342 1342/1342 1342 ± 0.00002496 5.815 5.596/5.957 5.779 ± 0.3093
17 1342 1342/1342 1342 ± 0.00002539 5.769 5.524/5.992 5.755 ± 0.3022
output_dir
 
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-05-01 07:07:39.302
End
2024-05-01 07:59:36.943
Duration
0:51:57.640
Note, WebLog generation is not included in the time.

CASA logs for stage 7