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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.549 5.279/6.287 5.472 ± 1.097
ea02 1342 1342/1342 1342 ± 0.00004038 5.583 5.279/6.465 5.552 ± 1.036
ea03 1342 1342/1342 1342 ± 0.00000507 5.412 5.329/6.429 5.639 ± 0.8078
ea04 1342 1342/1342 1342 ± 0.00004805 5.176 4.818/6.078 5.169 ± 0.9179
ea05 1342 1342/1342 1342 ± 0.00005147 5.401 5.079/6.489 5.412 ± 1.051
ea06 1342 1342/1342 1342 ± 0.00002699 4.988 4.773/6.014 5.14 ± 0.9052
ea07 1342 1342/1342 1342 ± 0.00004174 5.199 5.067/6.326 5.37 ± 1.036
ea08 1342 1342/1342 1342 ± 0.000025 5.792 5.322/6.895 5.808 ± 1.153
ea09 1342 1342/1342 1342 ± 0.00004794 5.146 4.825/6.194 5.197 ± 0.9709
ea10 1342 1342/1342 1342 ± 0.00004737 5.004 4.686/5.974 4.994 ± 0.9265
ea11 1342 1342/1342 1342 ± 0.00005251 5.16 4.474/6.104 5.042 ± 1.039
ea13 1342 1342/1342 1342 ± 0.00002135 5.414 5.213/6.311 5.504 ± 0.7207
ea14 1342 1342/1342 1342 ± 0.00004973 5.491 5.29/6.525 5.528 ± 1.083
ea15 1342 1342/1342 1342 ± 0.00005059 5.51 5.088/6.623 5.516 ± 1.086
ea16 1342 1342/1342 1342 ± 0.00002434 5.725 5.371/6.578 5.714 ± 1.024
ea17 1342 1342/1342 1342 ± 0.0000435 5.731 5.219/6.676 5.66 ± 1.158
ea18 1342 1342/1342 1342 ± 0.00001668 5.894 5.596/6.953 5.924 ± 1.151
ea19 1342 1342/1342 1342 ± 0.00004274 5.435 5.272/6.447 5.427 ± 1.056
ea20 1342 1342/1342 1342 ± 0.00003576 5.487 5.274/6.273 5.536 ± 0.8409
ea21 1342 1342/1342 1342 ± 0.000006091 5.124 4.862/5.675 5.146 ± 0.6369
ea22 1342 1342/1342 1342 ± 0.00003521 5.738 5.207/6.643 5.67 ± 1.108
ea23 1342 1342/1342 1342 ± 0.00004826 5.481 5.105/6.324 5.428 ± 1.032
ea24 1342 1342/1342 1342 ± 0.00001463 5.153 5.01/5.947 5.464 ± 0.7374
ea25 1342 1342/1342 1342 ± 0.00001425 5.736 5.386/6.728 5.968 ± 0.9038
ea27 1342 1342/1342 1342 ± 0.00002008 5.274 4.888/6.405 5.383 ± 0.9938
ea28 1342 1342/1342 1342 ± 0.000003382 5.704 5.648/6.774 5.901 ± 0.8669
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 ± 0.00002353 5.309 5.067/5.404 5.244 ± 0.2752
5 1342 1342/1342 1342 ± 0.00003361 5.239 5.036/5.563 5.289 ± 0.3833
6 1342 1342/1342 1342 ± 0.00002353 5.335 5.117/5.545 5.321 ± 0.2884
7 1342 1342/1342 1342 ± 0.00002353 5.351 5.14/5.569 5.309 ± 0.2755
8 1342 1342/1342 1342 ± 0.00002353 5.345 5.167/5.506 5.331 ± 0.2776
9 1342 1342/1342 1342 ± 0.00002353 5.51 5.339/5.762 5.523 ± 0.3209
10 1342 1342/1342 1342 ± 0.00002395 6.234 5.921/6.345 6.16 ± 0.3078
11 1342 1342/1342 1342 ± 0.00002351 6.482 6.269/6.645 6.45 ± 0.2805
12 1342 1342/1342 1342 ± 0.00002351 6.646 6.401/6.836 6.613 ± 0.3288
13 1342 1342/1342 1342 ± 0.00002375 6.649 6.346/6.914 6.652 ± 0.417
14 1342 1342/1342 1342 ± 0.00005703 4.751 4.367/5.306 4.89 ± 0.6578
15 1342 1342/1342 1342 ± 0.00002351 6.745 6.195/7.05 6.638 ± 0.4984
16 1342 1342/1342 1342 ± 0.00006019 3.63 3.497/3.997 3.773 ± 0.4276
17 1342 1342/1342 1342 ± 0.00005994 3.507 3.312/3.82 3.584 ± 0.3924
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-19 09:34:17.585
End
2025-07-19 10:35:00.814
Duration
1:00:43.229
Note, WebLog generation is not included in the time.

CASA logs for stage 8