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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.392 5.183/6.448 5.725 ± 0.8261
ea02 1342 1342/1342 1342 ± 0.00002 5.494 5.054/6.235 5.609 ± 0.908
ea03 1342 1342/1342 1342 ± 0 5.375 5.043/6.504 5.678 ± 0.8305
ea04 1342 1342/1342 1342 ± 0.00004176 5.014 4.819/6.012 5.334 ± 0.7032
ea05 1342 1342/1342 1342 ± 0.00004189 5.139 4.943/6.415 5.503 ± 0.8403
ea06 1342 1342/1342 1342 ± 0 5.088 4.678/5.747 5.224 ± 0.7326
ea07 1342 1342/1342 1342 ± 0.00001601 5.033 4.913/6.241 5.566 ± 0.9051
ea08 1342 1342/1342 1342 ± 0 5.435 5.206/6.598 5.841 ± 0.8709
ea09 1342 1342/1342 1342 ± 0.00004175 4.879 4.704/6.035 5.195 ± 0.7413
ea10 1342 1342/1342 1342 ± 0.0000419 4.831 4.588/5.895 5.121 ± 0.7679
ea11 1342 1342/1342 1342 ± 0.00004244 5.048 4.521/6.131 5.27 ± 0.8925
ea12 1342 1342/1342 1342 ± 0.00003852 5.02 4.81/5.964 5.327 ± 0.6548
ea14 1342 1342/1342 1342 ± 0.00004189 5.36 5.176/6.315 5.664 ± 0.702
ea15 1342 1342/1342 1342 ± 0.00004193 5.226 5.078/6.309 5.602 ± 0.8634
ea16 1342 1342/1342 1342 ± 0 5.535 5.295/6.482 5.742 ± 0.8573
ea17 1342 1342/1342 1342 ± 0.00002817 5.382 5.056/6.712 5.733 ± 0.8114
ea18 1342 1342/1342 1342 ± 0 5.555 5.309/6.696 5.914 ± 0.7931
ea19 1342 1342/1342 1342 ± 0.0000253 5.187 5.034/6.319 5.563 ± 0.7332
ea21 1342 1342/1342 1342 ± 0 4.92 4.739/5.701 5.112 ± 0.6955
ea22 1342 1342/1342 1342 ± 0 5.419 4.959/6.418 5.64 ± 0.7771
ea23 1342 1342/1342 1342 ± 0.00004189 5.34 4.985/6.222 5.636 ± 0.7704
ea24 1342 1342/1342 1342 ± 0.00001472 5.331 5.016/6.387 5.579 ± 0.7731
ea25 1342 1342/1342 1342 ± 0 5.75 5.254/6.691 5.948 ± 0.9138
ea27 1342 1342/1342 1342 ± 0 5.136 4.91/6.297 5.495 ± 0.7624
ea28 1342 1342/1342 1342 ± 0.00002131 5.443 5.322/6.823 5.85 ± 0.8832
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 4.93 4.818/5.058 4.901 ± 0.291
4 1342 1342/1342 1342 ± 0.00002923 3.853 3.61/4.096 3.882 ± 0.3003
5 1342 1342/1342 1342 ± 0.00002392 5.004 4.779/5.3 5.028 ± 0.2916
6 1342 1342/1342 1342 ± 0.00002392 5.047 4.826/5.308 5.031 ± 0.2592
7 1342 1342/1342 1342 ± 0.00002392 5.113 4.933/5.221 5.077 ± 0.2214
8 1342 1342/1342 1342 ± 0.00002392 5.048 4.889/5.203 5.03 ± 0.2495
9 1342 1342/1342 1342 ± 0.00002392 5.405 5.243/5.578 5.368 ± 0.2629
10 1342 1342/1342 1342 ± 0.00002392 5.951 5.771/6.052 5.905 ± 0.2542
11 1342 1342/1342 1342 ± 0.00002392 6.208 6.073/6.279 6.151 ± 0.2587
12 1342 1342/1342 1342 ± 0.00002392 6.316 6.129/6.488 6.31 ± 0.2981
13 1342 1342/1342 1342 ± 0.00002392 6.759 6.549/6.929 6.735 ± 0.3088
14 1342 1342/1342 1342 ± 0.00002392 6.815 6.524/7.056 6.801 ± 0.3534
15 1342 1342/1342 1342 ± 0.00002392 6.652 6.251/6.853 6.572 ± 0.3532
16 1342 1342/1342 1342 ± 0.00006074 5.069 4.908/5.26 5.087 ± 0.2617
17 1342 1342/1342 1342 ± 0.0000605 4.929 4.757/5.163 4.985 ± 0.3022
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-22 19:07:16.131
End
2025-07-22 20:10:14.535
Duration
1:02:58.404
Note, WebLog generation is not included in the time.

CASA logs for stage 8