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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 5.972 5.781/6.722 6.247 ± 0.5868
ea02 1342 1342/1342 1342 ± 0.000004883 6.212 5.838/6.933 6.384 ± 0.6469
ea03 1342 1342/1342 1342 ± 0.00001524 5.37 5.162/6.574 5.759 ± 0.6985
ea04 1342 1342/1342 1342 ± 0.000001262 5.944 5.406/6.652 6.039 ± 0.6556
ea06 1342 1342/1342 1342 ± 0 6.337 5.603/6.598 6.183 ± 0.6168
ea07 1342 1342/1342 1342 ± 0 5.958 5.383/6.115 5.904 ± 0.492
ea08 1342 1342/1342 1342 ± 0.000005637 6.19 5.775/6.979 6.422 ± 0.636
ea09 1342 1342/1342 1342 ± 0 5.973 5.518/6.81 6.13 ± 0.6716
ea10 1342 1342/1342 1342 ± 0.00001298 6.061 5.585/6.715 6.152 ± 0.5814
ea11 1342 1342/1342 1342 ± 0 6.314 5.692/6.931 6.408 ± 0.7086
ea12 1342 1342/1342 1342 ± 0 6.274 5.714/6.853 6.347 ± 0.6625
ea13 1342 1342/1342 1342 ± 0 6.222 5.852/6.758 6.388 ± 0.5457
ea14 1342 1342/1342 1342 ± 0 6.351 5.672/6.743 6.277 ± 0.7018
ea15 1342 1342/1342 1342 ± 0 6.211 5.549/6.629 6.148 ± 0.7046
ea16 1342 1342/1342 1342 ± 0 6.293 5.779/6.718 6.337 ± 0.6313
ea17 1342 1342/1342 1342 ± 0 6.653 6.279/7.569 6.844 ± 0.6629
ea18 1342 1342/1342 1342 ± 0 4.939 4.597/5.304 4.961 ± 0.4246
ea19 1342 1342/1342 1342 ± 0 6.551 5.896/7.017 6.493 ± 0.6311
ea20 1342 1342/1342 1342 ± 0.000001283 6.142 5.871/7.063 6.381 ± 0.6286
ea21 1342 1342/1342 1342 ± 0 6.039 5.68/6.67 6.22 ± 0.578
ea22 1342 1342/1342 1342 ± 0 6.528 5.718/6.903 6.38 ± 0.6634
ea23 1342 1342/1342 1342 ± 0 6.264 5.878/6.905 6.441 ± 0.6933
ea24 1342 1342/1342 1342 ± 0 5.989 5.418/6.69 6.015 ± 0.6344
ea25 1342 1342/1342 1342 ± 0 6.142 5.408/6.511 6.057 ± 0.7105
ea26 1342 1342/1342 1342 ± 0 6.155 5.759/7.04 6.353 ± 0.6578
ea27 1342 1342/1342 1342 ± 0.000001784 5.979 5.728/6.958 6.26 ± 0.6778
ea28 1342 1342/1342 1342 ± 0 5.951 5.709/6.851 6.277 ± 0.6694
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 ± 0.00002306 5.692 5.588/5.825 5.654 ± 0.3068
4 1342 1342/1342 1342 ± 0.00002465 5.461 5.169/5.581 5.391 ± 0.4117
5 1342 1342/1342 1342 ± 0.00002306 5.73 5.427/5.935 5.672 ± 0.3657
6 1342 1342/1342 1342 ± 0.00002306 5.582 5.45/5.784 5.584 ± 0.3077
7 1342 1342/1342 1342 ± 0.00002306 5.699 5.534/5.875 5.665 ± 0.3052
8 1342 1342/1342 1342 ± 0.00002306 5.634 5.402/5.796 5.612 ± 0.3219
9 1342 1342/1342 1342 ± 0.00002306 5.943 5.79/6.09 5.918 ± 0.3469
10 1342 1342/1342 1342 ± 0.00002306 6.406 6.218/6.571 6.357 ± 0.3559
11 1342 1342/1342 1342 ± 0.00002306 6.65 6.457/6.803 6.581 ± 0.37
12 1342 1342/1342 1342 ± 0.00002306 6.746 6.61/6.926 6.721 ± 0.3943
13 1342 1342/1342 1342 ± 0.00002306 7.248 7.005/7.395 7.171 ± 0.4181
14 1342 1342/1342 1342 ± 0.00002306 7.469 7.231/7.564 7.365 ± 0.3997
15 1342 1342/1342 1342 ± 0.00002306 7.053 6.865/7.227 6.994 ± 0.3942
16 1342 1342/1342 1342 ± 0.00002308 6.236 6.104/6.485 6.258 ± 0.3916
17 1342 1342/1342 1342 ± 0.00002747 6.163 5.968/6.448 6.164 ± 0.391
statwtmode
VLASS-SE
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-14 11:33:07.582
End
2025-05-14 12:27:56.606
Duration
0:54:49.024
Note, WebLog generation is not included in the time.

CASA logs for stage 8