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 5.631 5.314/6.153 5.763 ± 0.5411
ea02 1342 1342/1342 1342 ± 0.000005337 5.777 5.445/6.493 5.998 ± 0.6302
ea03 1342 1342/1342 1342 ± 0 5.409 4.801/6.011 5.443 ± 0.6499
ea04 1342 1342/1342 1342 ± 0 5.53 5.171/6.111 5.685 ± 0.5681
ea05 1342 1342/1342 1342 ± 0 5.842 5.363/6.331 5.912 ± 0.5977
ea06 1342 1342/1342 1342 ± 0 5.244 4.947/5.711 5.327 ± 0.4537
ea07 1342 1342/1342 1342 ± 0 6.033 5.504/6.256 6.02 ± 0.5674
ea08 1342 1342/1342 1342 ± 0.00001715 5.929 5.628/6.772 6.223 ± 0.6777
ea09 1342 1342/1342 1342 ± 0 5.784 5.27/6.398 5.861 ± 0.6364
ea10 1342 1342/1342 1342 ± 0.000004774 5.996 5.318/6.606 5.983 ± 0.6828
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.83 5.366/6.46 6.003 ± 0.672
ea13 1342 1342/1342 1342 ± 0 6.165 5.923/6.57 6.312 ± 0.5055
ea14 1342 1342/1342 1342 ± 0 5.875 5.359/6.455 5.958 ± 0.6695
ea15 1342 1342/1342 1342 ± 0 5.773 5.353/6.38 5.948 ± 0.6639
ea16 1342 1342/1342 1342 ± 0 6.144 5.679/6.76 6.293 ± 0.7035
ea17 1342 1342/1342 1342 ± 0.00002938 5.997 5.558/6.55 6.13 ± 0.6439
ea18 1342 1342/1342 1342 ± 0.000001511 5.067 4.742/5.531 5.151 ± 0.5313
ea19 1342 1342/1342 1342 ± 0 6.081 5.619/6.76 6.273 ± 0.6568
ea20 1342 1342/1342 1342 ± 0 6.251 5.684/6.811 6.218 ± 0.6221
ea21 1342 1342/1342 1342 ± 0 5.795 5.438/6.368 5.943 ± 0.5706
ea22 1342 1342/1342 1342 ± 0.000004126 5.593 5.314/6.451 5.858 ± 0.6702
ea23 1342 1342/1342 1342 ± 0 6.046 5.507/6.476 6.122 ± 0.6836
ea25 1342 1342/1342 1342 ± 0.0000165 5.655 5.342/6.215 5.818 ± 0.5856
ea26 1342 1342/1342 1342 ± 0 6.088 5.665/6.765 6.242 ± 0.6754
ea27 1342 1342/1342 1342 ± 0.00003269 5.636 5.26/6.421 5.804 ± 0.6034
ea28 1342 1342/1342 1342 ± 0.00004072 5.868 5.466/6.507 6.014 ± 0.6687
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 ± 0.00002349 5.408 5.301/5.687 5.439 ± 0.2833
3 1342 1342/1342 1342 ± 0.00002521 5.344 5.096/5.542 5.323 ± 0.3101
4 1342 1342/1342 1342 ± 0.00002383 5.274 5.113/5.499 5.303 ± 0.3245
5 1342 1342/1342 1342 ± 0.00002349 5.427 5.177/5.546 5.377 ± 0.3266
6 1342 1342/1342 1342 ± 0.00002349 5.339 5.18/5.535 5.317 ± 0.3269
7 1342 1342/1342 1342 ± 0.00002349 5.385 5.289/5.568 5.394 ± 0.2525
8 1342 1342/1342 1342 ± 0.00002349 5.389 5.16/5.561 5.349 ± 0.2712
9 1342 1342/1342 1342 ± 0.00002349 5.687 5.55/5.89 5.646 ± 0.3034
10 1342 1342/1342 1342 ± 0.00002349 6.118 5.972/6.264 6.093 ± 0.3039
11 1342 1342/1342 1342 ± 0.00002349 6.388 6.178/6.482 6.315 ± 0.3086
12 1342 1342/1342 1342 ± 0.00002393 6.55 6.31/6.682 6.473 ± 0.3292
13 1342 1342/1342 1342 ± 0.00002349 6.96 6.855/7.166 6.915 ± 0.3503
14 1342 1342/1342 1342 ± 0.00002349 7.15 6.944/7.367 7.067 ± 0.3845
15 1342 1342/1342 1342 ± 0.00002349 6.832 6.54/6.989 6.749 ± 0.3772
16 1342 1342/1342 1342 ± 0.00004352 6.119 5.798/6.352 6.093 ± 0.3431
17 1342 1342/1342 1342 ± 0.00003849 6.137 5.925/6.351 6.109 ± 0.3343
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38619750.eb38664746.59114.89728754629_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-04 07:06:45.891
End
2025-01-04 08:25:28.044
Duration
1:18:42.153
Note, WebLog generation is not included in the time.

CASA logs for stage 8