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 5.94 5.729/6.498 6.115 ± 0.4963
ea02 1342 1342/1342 1342 ± 0 6.038 5.679/6.682 6.19 ± 0.5639
ea03 1342 1342/1342 1342 ± 0.000001913 5.211 5.117/6.333 5.604 ± 0.6195
ea04 1342 1342/1342 1342 ± 0 5.571 5.229/6.039 5.687 ± 0.5044
ea06 1342 1342/1342 1342 ± 0 6.054 5.483/6.361 5.985 ± 0.5152
ea07 1342 1342/1342 1342 ± 0 5.681 5.369/5.817 5.668 ± 0.3924
ea08 1342 1342/1342 1342 ± 0 6.065 5.946/6.718 6.322 ± 0.5329
ea09 1342 1342/1342 1342 ± 0 5.949 5.474/6.595 6.011 ± 0.5869
ea10 1342 1342/1342 1342 ± 0 5.651 5.5/6.403 5.905 ± 0.513
ea11 1342 1342/1342 1342 ± 0 6.075 5.683/6.657 6.223 ± 0.6077
ea12 1342 1342/1342 1342 ± 0 6.024 5.665/6.56 6.14 ± 0.5579
ea13 1342 1342/1342 1342 ± 0 6.211 5.69/6.531 6.194 ± 0.5124
ea14 1342 1342/1342 1342 ± 0 5.983 5.55/6.458 6.028 ± 0.5917
ea15 1342 1342/1342 1342 ± 0 5.812 5.448/6.402 5.935 ± 0.6059
ea16 1342 1342/1342 1342 ± 0 6.006 5.614/6.408 6.083 ± 0.5178
ea17 1342 1342/1342 1342 ± 0 6.493 6.18/7.146 6.615 ± 0.5442
ea18 1342 1342/1342 1342 ± 0 4.805 4.496/5.043 4.79 ± 0.3411
ea19 1342 1342/1342 1342 ± 0 6.078 5.802/6.753 6.279 ± 0.5462
ea20 1342 1342/1342 1342 ± 0 5.924 5.778/6.792 6.197 ± 0.5416
ea21 1342 1342/1342 1342 ± 0.00001057 5.803 5.581/6.408 6.024 ± 0.4949
ea22 1342 1342/1342 1342 ± 0 6.164 5.7/6.621 6.146 ± 0.5308
ea23 1342 1342/1342 1342 ± 0 5.905 5.786/6.652 6.248 ± 0.6113
ea24 1342 1342/1342 1342 ± 0 5.95 5.415/6.496 5.912 ± 0.5391
ea25 1342 1342/1342 1342 ± 0 5.946 5.327/6.078 5.867 ± 0.5878
ea26 1342 1342/1342 1342 ± 0 6.074 5.663/6.787 6.174 ± 0.5518
ea27 1342 1342/1342 1342 ± 0 5.813 5.617/6.689 6.052 ± 0.5856
ea28 1342 1342/1342 1342 ± 0 5.773 5.616/6.577 6.082 ± 0.5831
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 5.726 5.623/5.891 5.695 ± 0.3225
4 1342 1342/1342 1342 ± 0.00002586 5.36 5.078/5.559 5.314 ± 0.4282
5 1342 1342/1342 1342 ± 0.00002306 5.65 5.419/5.888 5.617 ± 0.3732
6 1342 1342/1342 1342 ± 0.00002306 5.497 5.392/5.706 5.493 ± 0.3048
7 1342 1342/1342 1342 ± 0.00002306 5.559 5.406/5.745 5.546 ± 0.2997
8 1342 1342/1342 1342 ± 0.00002306 5.495 5.282/5.686 5.473 ± 0.3186
9 1342 1342/1342 1342 ± 0.00002306 5.771 5.676/5.948 5.748 ± 0.3431
10 1342 1342/1342 1342 ± 0.00002306 6.211 5.994/6.372 6.139 ± 0.3635
11 1342 1342/1342 1342 ± 0.00002306 6.403 6.262/6.544 6.332 ± 0.3651
12 1342 1342/1342 1342 ± 0.00002306 6.507 6.338/6.658 6.451 ± 0.3986
13 1342 1342/1342 1342 ± 0.00002306 6.886 6.661/7.056 6.84 ± 0.4124
14 1342 1342/1342 1342 ± 0.00002306 7.103 6.909/7.182 7.005 ± 0.3917
15 1342 1342/1342 1342 ± 0.00002306 6.761 6.529/6.914 6.676 ± 0.3939
16 1342 1342/1342 1342 ± 0.0000231 5.99 5.693/6.121 5.919 ± 0.3631
17 1342 1342/1342 1342 ± 0.00002422 5.947 5.7/6.017 5.84 ± 0.3331
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
overwrite_modelcol
False
Start time
2025-05-14 12:19:12.958
End
2025-05-14 13:36:22.303
Duration
1:17:09.345
Note, WebLog generation is not included in the time.

CASA logs for stage 8