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

Statwt Summary Plot

VLASS2.1.sb38536469.eb38590168.59084.87988079861_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 5.278 5.015/5.681 5.397 ± 0.482
ea02 1342 1342/1342 1342 ± 0 5.406 5.019/6.066 5.57 ± 0.6023
ea04 1342 1342/1342 1342 ± 0.00000426 5.132 4.839/5.628 5.276 ± 0.4768
ea05 1342 1342/1342 1342 ± 0 5.556 5.099/6.078 5.612 ± 0.5835
ea06 1342 1342/1342 1342 ± 0 4.925 4.737/5.356 5.053 ± 0.3832
ea07 1342 1342/1342 1342 ± 0 5.577 5.168/5.883 5.638 ± 0.5289
ea08 1342 1342/1342 1342 ± 0 5.437 5.178/6.203 5.709 ± 0.62
ea09 1342 1342/1342 1342 ± 0 5.324 4.868/5.882 5.392 ± 0.59
ea10 1342 1342/1342 1342 ± 0 5.286 4.837/5.938 5.354 ± 0.5616
ea11 1342 1342/1342 1342 ± 0 5.452 4.902/5.907 5.469 ± 0.5609
ea12 1342 1342/1342 1342 ± 0 5.527 5.143/5.97 5.649 ± 0.5445
ea13 1342 1342/1342 1342 ± 0 5.592 5.337/5.989 5.724 ± 0.509
ea14 1342 1342/1342 1342 ± 0 5.596 5.122/6.12 5.665 ± 0.6154
ea15 1342 1342/1342 1342 ± 0 5.274 4.836/5.799 5.389 ± 0.6007
ea16 1342 1342/1342 1342 ± 0 5.897 5.416/6.454 6.011 ± 0.701
ea17 1342 1342/1342 1342 ± 0.00001328 5.621 5.265/6.077 5.746 ± 0.5757
ea18 1342 1342/1342 1342 ± 0 4.819 4.512/5.241 4.909 ± 0.4669
ea19 1342 1342/1342 1342 ± 0 5.715 5.278/6.319 5.875 ± 0.6224
ea20 1342 1342/1342 1342 ± 0 5.82 5.442/6.395 5.916 ± 0.6128
ea21 1342 1342/1342 1342 ± 0 5.412 5.127/5.984 5.551 ± 0.5379
ea22 1342 1342/1342 1342 ± 0 5.256 4.981/6.02 5.478 ± 0.614
ea23 1342 1342/1342 1342 ± 0 5.899 5.308/6.321 5.867 ± 0.6149
ea25 1342 1342/1342 1342 ± 0 5.279 4.949/5.725 5.373 ± 0.5306
ea26 1342 1342/1342 1342 ± 0 5.465 5.145/6.222 5.644 ± 0.6537
ea27 1342 1342/1342 1342 ± 0.00002332 5.221 4.974/6.036 5.429 ± 0.5551
ea28 1342 1342/1342 1342 ± 0.00001596 5.392 5.078/6.028 5.55 ± 0.5841
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 ± 0.0000235 5.117 4.951/5.329 5.122 ± 0.2206
3 1342 1342/1342 1342 ± 0.00002394 4.847 4.739/5.173 4.931 ± 0.2636
4 1342 1342/1342 1342 ± 0.0000235 4.863 4.817/5.078 4.936 ± 0.2464
5 1342 1342/1342 1342 ± 0.0000235 5.067 4.85/5.221 5.063 ± 0.2612
6 1342 1342/1342 1342 ± 0.0000235 5.027 4.857/5.186 5.008 ± 0.2384
7 1342 1342/1342 1342 ± 0.0000235 5.063 4.913/5.278 5.076 ± 0.2195
8 1342 1342/1342 1342 ± 0.0000235 5.08 4.847/5.222 5.038 ± 0.2483
9 1342 1342/1342 1342 ± 0.0000235 5.353 5.196/5.521 5.314 ± 0.2794
10 1342 1342/1342 1342 ± 0.0000235 5.79 5.638/5.912 5.723 ± 0.2772
11 1342 1342/1342 1342 ± 0.0000235 5.988 5.821/6.097 5.921 ± 0.2788
12 1342 1342/1342 1342 ± 0.0000235 6.085 5.91/6.258 6.055 ± 0.3097
13 1342 1342/1342 1342 ± 0.0000235 6.454 6.32/6.591 6.451 ± 0.3382
14 1342 1342/1342 1342 ± 0.0000235 6.626 6.414/6.817 6.605 ± 0.3608
15 1342 1342/1342 1342 ± 0.0000235 6.298 6.081/6.474 6.243 ± 0.3545
16 1342 1342/1342 1342 ± 0.00002822 5.551 5.328/5.898 5.617 ± 0.3384
17 1342 1342/1342 1342 ± 0.0000294 5.539 5.389/5.846 5.628 ± 0.3121
statwtmode
VLASS-SE
vis
VLASS2.1.sb38536469.eb38590168.59084.87988079861_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-12-18 09:46:29.007
End
2024-12-18 10:59:57.661
Duration
1:13:28.655
Note, WebLog generation is not included in the time.

CASA logs for stage 8