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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.109 5.401/6.509 5.941 ± 0.8083
ea02 1342 1342/1342 1342 ± 0.00001668 6.171 5.489/6.384 6.009 ± 0.7269
ea03 1342 1342/1342 1342 ± 0 6.109 5.427/6.734 6.095 ± 0.7641
ea04 1342 1342/1342 1342 ± 0 5.465 4.989/5.914 5.417 ± 0.7608
ea05 1342 1342/1342 1342 ± 0 5.79 5.253/6.458 5.812 ± 0.8113
ea06 1342 1342/1342 1342 ± 0 5.869 5.057/6.12 5.719 ± 0.6665
ea07 1342 1342/1342 1342 ± 0 5.844 5.124/6.309 5.799 ± 0.826
ea08 1342 1342/1342 1342 ± 0 6.39 5.623/6.792 6.299 ± 0.7359
ea09 1342 1342/1342 1342 ± 0 5.661 5.086/6.374 5.744 ± 0.6547
ea10 1342 1342/1342 1342 ± 0 5.52 4.993/5.996 5.446 ± 0.7564
ea11 1342 1342/1342 1342 ± 0.000004898 5.308 5.006/6.176 5.464 ± 0.7791
ea13 1342 1342/1342 1342 ± 0 6.051 5.502/6.342 5.971 ± 0.5802
ea14 1342 1342/1342 1342 ± 0 5.921 5.477/6.522 5.916 ± 0.8225
ea15 1342 1342/1342 1342 ± 0.000003825 6.195 5.576/6.607 6.168 ± 0.6954
ea16 1342 1342/1342 1342 ± 0 6.218 5.619/6.735 6.2 ± 0.7168
ea17 1342 1342/1342 1342 ± 0 6.248 5.67/7.086 6.212 ± 0.8772
ea18 1342 1342/1342 1342 ± 0 6.383 5.889/7.013 6.471 ± 0.7264
ea19 1342 1342/1342 1342 ± 0 5.855 5.375/6.463 5.864 ± 0.8144
ea20 1342 1342/1342 1342 ± 0 5.908 5.477/6.41 5.973 ± 0.7143
ea21 1342 1342/1342 1342 ± 0 5.569 5.149/6.036 5.617 ± 0.541
ea22 1342 1342/1342 1342 ± 0 6.148 5.531/6.645 6.165 ± 0.7287
ea23 1342 1342/1342 1342 ± 0 6.018 5.431/6.378 5.917 ± 0.9031
ea24 1342 1342/1342 1342 ± 0 6.044 5.316/6.457 5.869 ± 0.5991
ea25 1342 1342/1342 1342 ± 0 6.562 5.727/7.015 6.506 ± 0.8533
ea27 1342 1342/1342 1342 ± 0 5.813 5.211/6.5 5.814 ± 0.731
ea28 1342 1342/1342 1342 ± 0 6.302 5.667/6.922 6.295 ± 0.6546
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 5.47 5.304/5.641 5.474 ± 0.2427
3 1342 1342/1342 1342 ± 0.00003016 4.083 3.62/4.585 4.21 ± 0.705
4 1342 1342/1342 1342 ± 0.00002406 5.092 4.881/5.359 5.146 ± 0.3105
5 1342 1342/1342 1342 ± 0.00002349 5.29 5.071/5.541 5.283 ± 0.2973
6 1342 1342/1342 1342 ± 0.00002348 5.339 5.084/5.483 5.307 ± 0.2832
7 1342 1342/1342 1342 ± 0.00002348 5.457 5.272/5.615 5.428 ± 0.247
8 1342 1342/1342 1342 ± 0.00002348 5.392 5.16/5.573 5.381 ± 0.2743
9 1342 1342/1342 1342 ± 0.00002348 5.671 5.579/5.921 5.716 ± 0.2831
10 1342 1342/1342 1342 ± 0.00002348 6.201 6.067/6.309 6.175 ± 0.2526
11 1342 1342/1342 1342 ± 0.00002348 6.375 6.18/6.571 6.382 ± 0.265
12 1342 1342/1342 1342 ± 0.00002348 6.525 6.315/6.742 6.536 ± 0.3221
13 1342 1342/1342 1342 ± 0.00002348 7.008 6.692/7.242 6.974 ± 0.3426
14 1342 1342/1342 1342 ± 0.00002348 7.226 6.924/7.428 7.168 ± 0.3582
15 1342 1342/1342 1342 ± 0.00002348 6.869 6.594/7.155 6.86 ± 0.3675
16 1342 1342/1342 1342 ± 0.00002361 6.15 5.883/6.419 6.193 ± 0.4135
17 1342 1342/1342 1342 ± 0.00002378 6.211 5.937/6.39 6.178 ± 0.3688
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
Start time
2025-07-29 20:13:00.756
End
2025-07-29 21:27:15.458
Duration
1:14:14.701
Note, WebLog generation is not included in the time.

CASA logs for stage 8