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 5.921 5.728/6.503 6.109 ± 0.5005
ea02 1342 1342/1342 1342 ± 0 6.033 5.713/6.688 6.194 ± 0.5627
ea03 1342 1342/1342 1342 ± 0 5.214 5.116/6.325 5.598 ± 0.6134
ea04 1342 1342/1342 1342 ± 0 5.576 5.225/6.077 5.693 ± 0.511
ea06 1342 1342/1342 1342 ± 0 6.04 5.489/6.373 5.993 ± 0.5237
ea07 1342 1342/1342 1342 ± 0 5.705 5.356/5.826 5.673 ± 0.3928
ea08 1342 1342/1342 1342 ± 0 6.073 5.904/6.73 6.312 ± 0.5348
ea09 1342 1342/1342 1342 ± 0 5.929 5.474/6.596 5.999 ± 0.5921
ea10 1342 1342/1342 1342 ± 0 5.715 5.515/6.42 5.921 ± 0.5126
ea11 1342 1342/1342 1342 ± 0 6.083 5.659/6.664 6.225 ± 0.6143
ea12 1342 1342/1342 1342 ± 0 6.011 5.639/6.575 6.137 ± 0.5604
ea13 1342 1342/1342 1342 ± 0 6.191 5.705/6.539 6.202 ± 0.5086
ea14 1342 1342/1342 1342 ± 0 6.031 5.555/6.463 6.052 ± 0.6001
ea15 1342 1342/1342 1342 ± 0 5.842 5.456/6.409 5.942 ± 0.6115
ea16 1342 1342/1342 1342 ± 0 6.028 5.611/6.435 6.097 ± 0.5262
ea17 1342 1342/1342 1342 ± 0 6.446 6.156/7.168 6.621 ± 0.5521
ea18 1342 1342/1342 1342 ± 0 4.793 4.508/5.056 4.794 ± 0.3397
ea19 1342 1342/1342 1342 ± 0 6.159 5.818/6.753 6.296 ± 0.5463
ea20 1342 1342/1342 1342 ± 0 5.93 5.798/6.797 6.208 ± 0.5371
ea21 1342 1342/1342 1342 ± 0.00001193 5.811 5.62/6.416 6.033 ± 0.4976
ea22 1342 1342/1342 1342 ± 0 6.189 5.708/6.644 6.152 ± 0.5438
ea23 1342 1342/1342 1342 ± 0 5.942 5.811/6.659 6.255 ± 0.61
ea24 1342 1342/1342 1342 ± 0 5.917 5.408/6.496 5.908 ± 0.548
ea25 1342 1342/1342 1342 ± 0 5.965 5.327/6.124 5.877 ± 0.5959
ea26 1342 1342/1342 1342 ± 0 6.054 5.661/6.801 6.17 ± 0.5562
ea27 1342 1342/1342 1342 ± 0 5.789 5.622/6.705 6.06 ± 0.5913
ea28 1342 1342/1342 1342 ± 0 5.771 5.613/6.575 6.081 ± 0.5899
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 5.727 5.617/5.889 5.688 ± 0.3219
4 1342 1342/1342 1342 ± 0.00002588 5.343 5.046/5.532 5.303 ± 0.4194
5 1342 1342/1342 1342 ± 0.00002306 5.644 5.405/5.886 5.606 ± 0.3641
6 1342 1342/1342 1342 ± 0.00002306 5.51 5.393/5.693 5.493 ± 0.3038
7 1342 1342/1342 1342 ± 0.00002306 5.571 5.408/5.738 5.551 ± 0.2991
8 1342 1342/1342 1342 ± 0.00002306 5.502 5.28/5.7 5.478 ± 0.3171
9 1342 1342/1342 1342 ± 0.00002306 5.769 5.68/5.956 5.753 ± 0.3477
10 1342 1342/1342 1342 ± 0.00002306 6.215 6.006/6.379 6.146 ± 0.3654
11 1342 1342/1342 1342 ± 0.00002306 6.427 6.265/6.558 6.343 ± 0.369
12 1342 1342/1342 1342 ± 0.00002306 6.527 6.332/6.67 6.459 ± 0.3982
13 1342 1342/1342 1342 ± 0.00002306 6.928 6.692/7.071 6.853 ± 0.4147
14 1342 1342/1342 1342 ± 0.00002306 7.113 6.919/7.189 7.011 ± 0.3945
15 1342 1342/1342 1342 ± 0.00002306 6.77 6.557/6.905 6.682 ± 0.392
16 1342 1342/1342 1342 ± 0.00002306 5.987 5.731/6.133 5.937 ± 0.3646
17 1342 1342/1342 1342 ± 0.00002454 5.912 5.689/6.051 5.852 ± 0.3356
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
Start time
2025-05-14 14:47:36.878
End
2025-05-14 16:04:43.009
Duration
1:17:06.131
Note, WebLog generation is not included in the time.

CASA logs for stage 8