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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.852 5.732/6.647 6.031 ± 0.7446
ea02 1342 1342/1342 1342 ± 0 6.208 5.627/6.532 6.172 ± 0.7331
ea03 1342 1342/1342 1342 ± 0 6.181 5.446/6.798 6.096 ± 0.7551
ea04 1342 1342/1342 1342 ± 0.0000245 5.438 5.086/6.065 5.506 ± 0.6304
ea05 1342 1342/1342 1342 ± 0.00002144 5.683 5.475/6.664 5.879 ± 0.7187
ea06 1342 1342/1342 1342 ± 0 5.824 5.127/6.123 5.73 ± 0.6956
ea07 1342 1342/1342 1342 ± 0 5.942 5.115/6.214 5.775 ± 0.7988
ea08 1342 1342/1342 1342 ± 0 6.158 5.556/6.716 6.167 ± 0.7129
ea09 1342 1342/1342 1342 ± 0.000004995 5.598 5.205/6.449 5.706 ± 0.6664
ea10 1342 1342/1342 1342 ± 0 5.543 5.27/6.229 5.696 ± 0.6149
ea11 1342 1342/1342 1342 ± 0.00004074 5.597 5.169/6.498 5.692 ± 0.8327
ea12 1342 1342/1342 1342 ± 0.00003696 5.527 5.369/6.337 5.727 ± 0.6807
ea14 1342 1342/1342 1342 ± 0 5.816 5.577/6.627 6.033 ± 0.6599
ea15 1342 1342/1342 1342 ± 0.00003098 5.861 5.683/6.795 6.098 ± 0.83
ea16 1342 1342/1342 1342 ± 0 6.173 5.727/6.81 6.256 ± 0.7218
ea17 1342 1342/1342 1342 ± 0.000001246 6.23 5.716/7.161 6.323 ± 0.7178
ea18 1342 1342/1342 1342 ± 0 6.586 5.915/7.151 6.444 ± 0.7635
ea19 1342 1342/1342 1342 ± 0.00003192 5.785 5.473/6.742 5.995 ± 0.7558
ea20 1342 1342/1342 1342 ± 0 6.233 6.038/7.185 6.437 ± 0.7694
ea22 1342 1342/1342 1342 ± 0 5.72 5.332/6.344 5.759 ± 0.6415
ea23 1342 1342/1342 1342 ± 0 5.744 5.545/6.473 6.035 ± 0.7128
ea24 1342 1342/1342 1342 ± 0 6.235 5.326/6.709 5.995 ± 0.7668
ea25 1342 1342/1342 1342 ± 0 6.57 5.667/6.993 6.383 ± 0.9085
ea27 1342 1342/1342 1342 ± 0 5.699 5.493/6.597 5.922 ± 0.7223
ea28 1342 1342/1342 1342 ± 0 6.333 5.834/7.153 6.361 ± 0.7725
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 5.497 5.325/5.716 5.532 ± 0.2703
3 1342 1342/1342 1342 ± 0.00002676 4.224 3.811/4.678 4.252 ± 0.4989
4 1342 1342/1342 1342 ± 0.00002429 4.9 4.717/5.014 4.864 ± 0.3017
5 1342 1342/1342 1342 ± 0.00002392 5.471 5.293/5.76 5.5 ± 0.2974
6 1342 1342/1342 1342 ± 0.00002392 5.466 5.271/5.697 5.475 ± 0.2558
7 1342 1342/1342 1342 ± 0.00002392 5.539 5.373/5.711 5.52 ± 0.2571
8 1342 1342/1342 1342 ± 0.00002392 5.5 5.267/5.672 5.472 ± 0.3026
9 1342 1342/1342 1342 ± 0.00002392 5.752 5.589/5.981 5.787 ± 0.2895
10 1342 1342/1342 1342 ± 0.00002392 6.285 6.072/6.371 6.257 ± 0.2631
11 1342 1342/1342 1342 ± 0.00002392 6.52 6.202/6.654 6.486 ± 0.2898
12 1342 1342/1342 1342 ± 0.00002392 6.653 6.447/6.805 6.651 ± 0.3325
13 1342 1342/1342 1342 ± 0.00002392 7.113 6.892/7.387 7.119 ± 0.3472
14 1342 1342/1342 1342 ± 0.00002392 7.209 6.878/7.436 7.19 ± 0.397
15 1342 1342/1342 1342 ± 0.00002392 6.893 6.671/7.168 6.904 ± 0.309
16 1342 1342/1342 1342 ± 0.00004825 5.888 5.639/6.261 5.953 ± 0.4182
17 1342 1342/1342 1342 ± 0.00004499 5.921 5.692/6.245 5.962 ± 0.3797
output_dir
 
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-31 02:53:34.636
End
2025-07-31 03:40:05.642
Duration
0:46:31.006
Note, WebLog generation is not included in the time.

CASA logs for stage 8