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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.619 5.268/6.08 5.709 ± 0.564
ea02 1342 1342/1342 1342 ± 0 5.573 5.225/6.245 5.769 ± 0.6497
ea04 1342 1342/1342 1342 ± 0 5.257 4.968/5.893 5.453 ± 0.5627
ea05 1342 1342/1342 1342 ± 0 5.519 5.073/5.924 5.558 ± 0.5715
ea06 1342 1342/1342 1342 ± 0 4.935 4.676/5.346 5.026 ± 0.3979
ea07 1342 1342/1342 1342 ± 0 5.958 5.428/6.198 5.951 ± 0.5888
ea08 1342 1342/1342 1342 ± 0 5.784 5.592/6.632 6.121 ± 0.681
ea09 1342 1342/1342 1342 ± 0 5.334 4.842/5.93 5.427 ± 0.6201
ea10 1342 1342/1342 1342 ± 0 6.073 5.415/6.756 6.015 ± 0.7172
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.714 5.315/6.385 5.9 ± 0.6694
ea13 1342 1342/1342 1342 ± 0 5.912 5.236/6.146 5.742 ± 0.5756
ea14 1342 1342/1342 1342 ± 0 5.746 5.238/6.385 5.828 ± 0.6988
ea15 1342 1342/1342 1342 ± 0 5.434 5.064/6.104 5.639 ± 0.6521
ea16 1342 1342/1342 1342 ± 0 5.991 5.478/6.677 6.14 ± 0.7497
ea17 1342 1342/1342 1342 ± 0.000002196 5.926 5.616/6.534 6.114 ± 0.6438
ea18 1342 1342/1342 1342 ± 0 4.992 4.675/5.523 5.092 ± 0.5618
ea19 1342 1342/1342 1342 ± 0 5.823 5.369/6.506 5.996 ± 0.668
ea20 1342 1342/1342 1342 ± 0 6.061 5.656/6.728 6.228 ± 0.6734
ea21 1342 1342/1342 1342 ± 0 5.636 5.249/6.193 5.754 ± 0.5878
ea22 1342 1342/1342 1342 ± 0 5.256 5.02/6.123 5.541 ± 0.6322
ea23 1342 1342/1342 1342 ± 0 6.024 5.466/6.444 6.092 ± 0.6947
ea25 1342 1342/1342 1342 ± 0 5.607 5.294/6.19 5.78 ± 0.5837
ea26 1342 1342/1342 1342 ± 0 5.763 5.096/6.415 5.71 ± 0.704
ea27 1342 1342/1342 1342 ± 0.000001553 5.572 5.28/6.382 5.769 ± 0.6077
ea28 1342 1342/1342 1342 ± 0.00001167 5.734 5.465/6.482 5.975 ± 0.6817
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 ± 0.00002394 5.205 5.085/5.465 5.25 ± 0.2712
3 1342 1342/1342 1342 ± 0.00002396 5.139 4.802/5.389 5.102 ± 0.3072
4 1342 1342/1342 1342 ± 0.00002455 5.166 4.86/5.435 5.144 ± 0.3257
5 1342 1342/1342 1342 ± 0.00002394 5.282 5.024/5.438 5.207 ± 0.3178
6 1342 1342/1342 1342 ± 0.00002394 5.256 5.052/5.363 5.177 ± 0.3151
7 1342 1342/1342 1342 ± 0.00002394 5.276 5.061/5.419 5.253 ± 0.2636
8 1342 1342/1342 1342 ± 0.00002394 5.246 4.978/5.407 5.21 ± 0.3117
9 1342 1342/1342 1342 ± 0.00002394 5.528 5.261/5.799 5.481 ± 0.3447
10 1342 1342/1342 1342 ± 0.00002394 5.951 5.767/6.114 5.921 ± 0.3408
11 1342 1342/1342 1342 ± 0.00002394 6.147 5.962/6.368 6.142 ± 0.3387
12 1342 1342/1342 1342 ± 0.00002441 6.377 6.121/6.601 6.321 ± 0.3759
13 1342 1342/1342 1342 ± 0.00002394 6.793 6.522/7.051 6.752 ± 0.3886
14 1342 1342/1342 1342 ± 0.00002394 6.984 6.723/7.224 6.931 ± 0.4295
15 1342 1342/1342 1342 ± 0.00002394 6.62 6.443/6.835 6.581 ± 0.4157
16 1342 1342/1342 1342 ± 0.00002454 5.989 5.651/6.138 5.948 ± 0.3894
17 1342 1342/1342 1342 ± 0.00002505 5.906 5.686/6.201 5.952 ± 0.3696
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2024-12-31 06:42:44.198
End
2024-12-31 07:41:43.450
Duration
0:58:59.253
Note, WebLog generation is not included in the time.

CASA logs for stage 8