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

Statwt Summary Plot

VLASS2.1.sb38619750.eb38664746.59114.89728754629_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 5.583 5.272/6.137 5.72 ± 0.545
ea02 1342 1342/1342 1342 ± 0.000002033 5.73 5.373/6.463 5.952 ± 0.6337
ea03 1342 1342/1342 1342 ± 0 5.379 4.745/5.997 5.406 ± 0.6603
ea04 1342 1342/1342 1342 ± 0 5.49 5.13/6.096 5.657 ± 0.5778
ea05 1342 1342/1342 1342 ± 0 5.81 5.315/6.322 5.884 ± 0.6033
ea06 1342 1342/1342 1342 ± 0 5.223 4.898/5.675 5.292 ± 0.4575
ea07 1342 1342/1342 1342 ± 0 5.995 5.445/6.226 5.977 ± 0.5796
ea08 1342 1342/1342 1342 ± 0.00001587 5.962 5.572/6.747 6.19 ± 0.6778
ea09 1342 1342/1342 1342 ± 0 5.725 5.242/6.359 5.812 ± 0.6368
ea10 1342 1342/1342 1342 ± 0.00000166 5.955 5.273/6.585 5.939 ± 0.6896
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.779 5.309/6.438 5.964 ± 0.6793
ea13 1342 1342/1342 1342 ± 0 6.093 5.86/6.539 6.245 ± 0.5118
ea14 1342 1342/1342 1342 ± 0 5.834 5.298/6.416 5.912 ± 0.6787
ea15 1342 1342/1342 1342 ± 0 5.74 5.306/6.356 5.911 ± 0.6703
ea16 1342 1342/1342 1342 ± 0 6.092 5.644/6.728 6.247 ± 0.7131
ea17 1342 1342/1342 1342 ± 0.00002848 5.926 5.523/6.504 6.084 ± 0.6381
ea18 1342 1342/1342 1342 ± 0 5.026 4.704/5.479 5.114 ± 0.5326
ea19 1342 1342/1342 1342 ± 0 6.031 5.562/6.759 6.231 ± 0.6691
ea20 1342 1342/1342 1342 ± 0 6.232 5.634/6.776 6.171 ± 0.6244
ea21 1342 1342/1342 1342 ± 0 5.76 5.376/6.327 5.895 ± 0.5788
ea22 1342 1342/1342 1342 ± 0 5.547 5.285/6.41 5.812 ± 0.6674
ea23 1342 1342/1342 1342 ± 0 6.021 5.458/6.451 6.078 ± 0.6912
ea25 1342 1342/1342 1342 ± 0 5.644 5.288/6.191 5.79 ± 0.5867
ea26 1342 1342/1342 1342 ± 0 5.998 5.596/6.727 6.194 ± 0.6819
ea27 1342 1342/1342 1342 ± 0.00002093 5.573 5.193/6.395 5.761 ± 0.6078
ea28 1342 1342/1342 1342 ± 0.00004024 5.796 5.433/6.469 5.976 ± 0.6664
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 ± 0.00002348 5.356 5.252/5.626 5.384 ± 0.2802
3 1342 1342/1342 1342 ± 0.00002374 5.339 5.08/5.51 5.297 ± 0.2995
4 1342 1342/1342 1342 ± 0.00002442 5.203 5.083/5.445 5.239 ± 0.314
5 1342 1342/1342 1342 ± 0.00002348 5.366 5.116/5.483 5.323 ± 0.3213
6 1342 1342/1342 1342 ± 0.00002348 5.293 5.12/5.484 5.261 ± 0.3208
7 1342 1342/1342 1342 ± 0.00002348 5.331 5.249/5.533 5.348 ± 0.2515
8 1342 1342/1342 1342 ± 0.00002348 5.357 5.154/5.519 5.308 ± 0.2664
9 1342 1342/1342 1342 ± 0.00002348 5.641 5.513/5.858 5.608 ± 0.2955
10 1342 1342/1342 1342 ± 0.00002348 6.09 5.938/6.235 6.06 ± 0.303
11 1342 1342/1342 1342 ± 0.00002348 6.366 6.147/6.446 6.286 ± 0.3064
12 1342 1342/1342 1342 ± 0.00002392 6.519 6.282/6.642 6.442 ± 0.3262
13 1342 1342/1342 1342 ± 0.00002348 6.906 6.806/7.125 6.877 ± 0.3474
14 1342 1342/1342 1342 ± 0.00002348 7.105 6.905/7.311 7.026 ± 0.3783
15 1342 1342/1342 1342 ± 0.00002348 6.803 6.514/6.95 6.716 ± 0.3755
16 1342 1342/1342 1342 ± 0.00004032 6.091 5.764/6.303 6.064 ± 0.3363
17 1342 1342/1342 1342 ± 0.00003494 6.107 5.826/6.321 6.06 ± 0.341
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-01-04 04:24:49.775
End
2025-01-04 05:28:19.596
Duration
1:03:29.820
Note, WebLog generation is not included in the time.

CASA logs for stage 8