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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.163 5.828/6.942 6.294 ± 0.7467
ea02 1342 1342/1342 1342 ± 0 6.218 5.629/6.6 6.158 ± 0.8207
ea03 1342 1342/1342 1342 ± 0 6.243 5.577/6.85 6.208 ± 0.7739
ea04 1342 1342/1342 1342 ± 0 5.629 5.145/6.047 5.606 ± 0.6848
ea05 1342 1342/1342 1342 ± 0 6.069 5.539/6.631 6.079 ± 0.7434
ea06 1342 1342/1342 1342 ± 0 5.898 5.215/6.237 5.779 ± 0.7817
ea07 1342 1342/1342 1342 ± 0 6.06 5.464/6.658 6.096 ± 0.7911
ea08 1342 1342/1342 1342 ± 0 6.598 5.828/6.958 6.528 ± 0.699
ea09 1342 1342/1342 1342 ± 0 5.809 5.297/6.538 6.01 ± 0.6616
ea10 1342 1342/1342 1342 ± 0 5.83 5.345/6.271 5.769 ± 0.7833
ea11 1342 1342/1342 1342 ± 0 5.81 5.479/6.609 5.934 ± 0.7754
ea12 1342 1342/1342 1342 ± 0 5.675 5.416/6.285 5.81 ± 0.7185
ea13 1342 1342/1342 1342 ± 0 6.293 5.622/6.455 5.912 ± 1.092
ea14 1342 1342/1342 1342 ± 0 6.218 5.737/6.693 6.232 ± 0.7084
ea15 1342 1342/1342 1342 ± 0 6.819 6.765/7.458 7.031 ± 0.4442
ea17 1342 1342/1342 1342 ± 0 6.43 5.919/7.165 6.518 ± 0.7066
ea18 1342 1342/1342 1342 ± 0 6.38 5.869/7.005 6.471 ± 0.7108
ea19 1342 1342/1342 1342 ± 0 6.115 5.688/6.692 6.146 ± 0.7751
ea20 1342 1342/1342 1342 ± 0 6.556 6.056/7.14 6.59 ± 0.7878
ea21 1342 1342/1342 1342 ± 0 5.429 5.169/5.954 5.517 ± 0.6495
ea22 1342 1342/1342 1342 ± 0 6.186 5.687/6.689 6.205 ± 0.7113
ea23 1342 1342/1342 1342 ± 0 6.297 5.596/6.467 6.193 ± 0.6566
ea24 1342 1342/1342 1342 ± 0 6.285 5.477/6.681 6.058 ± 0.6589
ea25 1342 1342/1342 1342 ± 0 6.652 5.836/7.105 6.55 ± 0.9
ea27 1342 1342/1342 1342 ± 0 5.791 5.423/6.454 5.912 ± 0.5787
ea28 1342 1342/1342 1342 ± 0 6.378 5.875/7.172 6.48 ± 0.8041
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 ± 0.00002392 5.612 5.469/5.81 5.621 ± 0.2552
3 1342 1342/1342 1342 ± 0.0000276 4.32 3.934/4.801 4.347 ± 0.7225
4 1342 1342/1342 1342 ± 0.00002416 5.52 5.259/5.73 5.525 ± 0.311
5 1342 1342/1342 1342 ± 0.00002415 5.496 5.274/5.74 5.514 ± 0.298
6 1342 1342/1342 1342 ± 0.00002392 5.526 5.291/5.754 5.519 ± 0.2926
7 1342 1342/1342 1342 ± 0.00002392 5.592 5.489/5.835 5.639 ± 0.2555
8 1342 1342/1342 1342 ± 0.00002392 5.578 5.292/5.771 5.553 ± 0.3011
9 1342 1342/1342 1342 ± 0.00002392 5.85 5.687/6.079 5.852 ± 0.2991
10 1342 1342/1342 1342 ± 0.00002348 6.374 6.213/6.456 6.334 ± 0.2825
11 1342 1342/1342 1342 ± 0.00002348 6.561 6.338/6.685 6.54 ± 0.289
12 1342 1342/1342 1342 ± 0.00002348 6.692 6.455/6.86 6.674 ± 0.3355
13 1342 1342/1342 1342 ± 0.00002348 7.157 6.856/7.448 7.166 ± 0.3554
14 1342 1342/1342 1342 ± 0.00002348 7.412 7.051/7.67 7.342 ± 0.3617
15 1342 1342/1342 1342 ± 0.00002348 7.037 6.742/7.377 7.041 ± 0.3783
16 1342 1342/1342 1342 ± 0.00002348 6.462 6.103/6.898 6.459 ± 0.4373
17 1342 1342/1342 1342 ± 0.00002348 6.444 6.114/6.787 6.421 ± 0.4174
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
overwrite_modelcol
False
Start time
2025-07-30 23:37:23.310
End
2025-07-31 00:27:11.068
Duration
0:49:47.759
Note, WebLog generation is not included in the time.

CASA logs for stage 8