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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 4.983 4.761/5.809 5.309 ± 0.6742
ea02 1342 1342/1342 1342 ± 0.00002904 5.274 4.931/6.267 5.577 ± 0.818
ea04 1342 1342/1342 1342 ± 0.00003345 4.952 4.734/5.642 5.178 ± 0.6704
ea05 1342 1342/1342 1342 ± 0 5.243 4.9/6.364 5.567 ± 0.7941
ea06 1342 1342/1342 1342 ± 0.00003689 4.473 4.37/5.377 4.81 ± 0.581
ea07 1342 1342/1342 1342 ± 0.00004382 5.176 4.963/5.888 5.457 ± 0.7406
ea08 1342 1342/1342 1342 ± 0.00004187 5.297 5.096/6.401 5.711 ± 0.877
ea09 1342 1342/1342 1342 ± 0 5.162 4.712/5.782 5.211 ± 0.6058
ea10 1342 1342/1342 1342 ± 0.00004415 4.533 4.298/5.354 4.795 ± 0.6047
ea11 1342 1342/1342 1342 ± 0.0000483 5.327 4.858/6.33 5.569 ± 0.858
ea12 1342 1342/1342 1342 ± 0.00004337 5.044 4.825/5.883 5.407 ± 0.7803
ea13 1342 1342/1342 1342 ± 0 5.323 5.082/6.011 5.648 ± 0.6744
ea14 1342 1342/1342 1342 ± 0.00002303 5.135 4.933/6.244 5.529 ± 0.7962
ea15 1342 1342/1342 1342 ± 0.0000231 5.013 4.936/6.102 5.432 ± 0.8035
ea16 1342 1342/1342 1342 ± 0 5.129 5.041/6.533 5.663 ± 0.948
ea17 1342 1342/1342 1342 ± 0.0000479 5.432 5.051/6.258 5.681 ± 0.846
ea18 1342 1342/1342 1342 ± 0.00004698 4.562 4.457/5.306 4.914 ± 0.6052
ea19 1342 1342/1342 1342 ± 0 5.306 5.096/6.535 5.735 ± 0.7953
ea20 1342 1342/1342 1342 ± 0.0000435 5.494 5.325/6.49 5.794 ± 0.8302
ea21 1342 1342/1342 1342 ± 0 5.254 4.855/6.125 5.481 ± 0.759
ea22 1342 1342/1342 1342 ± 0 5.02 4.787/6.018 5.401 ± 0.7377
ea23 1342 1342/1342 1342 ± 0.00003606 5.18 4.883/6.187 5.596 ± 0.8769
ea24 1342 1342/1342 1342 ± 0 4.921 4.593/5.974 5.265 ± 0.6843
ea25 1342 1342/1342 1342 ± 0.00004798 4.966 4.62/5.838 5.288 ± 0.7756
ea26 1342 1342/1342 1342 ± 0 5.302 5.164/6.516 5.787 ± 0.7936
ea27 1342 1342/1342 1342 ± 0.00004695 5.194 4.93/6.282 5.502 ± 0.7622
ea28 1342 1342/1342 1342 ± 0.0000454 5.134 5.01/6.172 5.556 ± 0.7971
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 ± 0.00002305 4.909 4.683/5.1 4.868 ± 0.3276
5 1342 1342/1342 1342 ± 0.00003374 5.228 4.95/5.341 5.167 ± 0.2425
6 1342 1342/1342 1342 ± 0.00002305 4.97 4.698/5.088 4.901 ± 0.2573
7 1342 1342/1342 1342 ± 0.00002305 4.934 4.76/5.117 4.901 ± 0.2504
8 1342 1342/1342 1342 ± 0.00002305 4.994 4.749/5.133 4.949 ± 0.2926
9 1342 1342/1342 1342 ± 0.00002305 5.023 4.797/5.199 4.99 ± 0.2642
10 1342 1342/1342 1342 ± 0.00002305 5.826 5.609/5.911 5.737 ± 0.3078
11 1342 1342/1342 1342 ± 0.00002305 6.073 5.827/6.241 5.995 ± 0.3203
12 1342 1342/1342 1342 ± 0.00002305 6.189 5.975/6.393 6.176 ± 0.3531
13 1342 1342/1342 1342 ± 0.00002305 6.699 6.276/6.895 6.593 ± 0.4094
14 1342 1342/1342 1342 ± 0.00002305 6.882 6.558/7.096 6.754 ± 0.428
15 1342 1342/1342 1342 ± 0.00004236 5.822 5.549/6.204 5.846 ± 0.4929
16 1342 1342/1342 1342 ± 0.00006018 4.316 4.214/4.439 4.325 ± 0.194
17 1342 1342/1342 1342 ± 0.00006096 4.762 4.598/4.915 4.748 ± 0.2451
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-06-07 06:33:00.588
End
2024-06-07 07:04:08.845
Duration
0:31:08.257
Note, WebLog generation is not included in the time.

CASA logs for stage 8