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

Statwt Summary Plot

VLASS2.1.sb38617989.eb38636486.59099.9471230787_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 5.341 5.077/5.787 5.494 ± 0.5283
ea02 1342 1342/1342 1342 ± 0 5.496 5.221/6.291 5.777 ± 0.6419
ea04 1342 1342/1342 1342 ± 0 5.271 4.965/5.901 5.458 ± 0.5656
ea05 1342 1342/1342 1342 ± 0 5.457 5.063/5.967 5.558 ± 0.6011
ea06 1342 1342/1342 1342 ± 0 4.96 4.578/5.47 5.045 ± 0.5114
ea07 1342 1342/1342 1342 ± 0 5.758 5.237/6.056 5.766 ± 0.5787
ea08 1342 1342/1342 1342 ± 0 5.551 5.299/6.415 5.88 ± 0.6608
ea09 1342 1342/1342 1342 ± 0 5.43 5.071/6.104 5.578 ± 0.6157
ea10 1342 1342/1342 1342 ± 0 5.757 5.101/6.361 5.737 ± 0.672
ea11 1342 1342/1342 1342 ± 0 5.61 4.958/6.11 5.619 ± 0.6529
ea12 1342 1342/1342 1342 ± 0 5.556 5.107/6.205 5.739 ± 0.6565
ea13 1342 1342/1342 1342 ± 0 5.82 5.58/6.194 5.96 ± 0.4996
ea14 1342 1342/1342 1342 ± 0 5.573 5.044/6.17 5.659 ± 0.67
ea15 1342 1342/1342 1342 ± 0 5.393 4.916/6.054 5.535 ± 0.6827
ea16 1342 1342/1342 1342 ± 0 5.896 5.462/6.591 6.067 ± 0.7225
ea17 1342 1342/1342 1342 ± 0 5.721 5.335/6.266 5.846 ± 0.6222
ea18 1342 1342/1342 1342 ± 0 4.823 4.545/5.299 4.949 ± 0.5055
ea19 1342 1342/1342 1342 ± 0 5.769 5.34/6.503 5.977 ± 0.6523
ea20 1342 1342/1342 1342 ± 0 5.944 5.533/6.59 6.085 ± 0.6615
ea21 1342 1342/1342 1342 ± 0 5.535 5.178/6.049 5.659 ± 0.5574
ea22 1342 1342/1342 1342 ± 0 5.336 5.003/6.032 5.535 ± 0.6686
ea23 1342 1342/1342 1342 ± 0 5.796 5.228/6.281 5.878 ± 0.6905
ea25 1342 1342/1342 1342 ± 0 5.294 4.988/5.831 5.451 ± 0.5568
ea26 1342 1342/1342 1342 ± 0 5.774 5.401/6.459 5.958 ± 0.6636
ea27 1342 1342/1342 1342 ± 0 5.391 5.023/6.18 5.568 ± 0.5931
ea28 1342 1342/1342 1342 ± 0.00001989 5.449 5.156/6.199 5.678 ± 0.6386
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 ± 0.00002351 5.12 4.997/5.376 5.154 ± 0.24
3 1342 1342/1342 1342 ± 0.00002351 5.103 4.886/5.272 5.092 ± 0.2726
4 1342 1342/1342 1342 ± 0.00002351 5.019 4.839/5.197 4.998 ± 0.2965
5 1342 1342/1342 1342 ± 0.00002351 5.133 4.913/5.259 5.119 ± 0.3002
6 1342 1342/1342 1342 ± 0.00002351 5.092 4.909/5.303 5.087 ± 0.2794
7 1342 1342/1342 1342 ± 0.00002351 5.132 5/5.29 5.149 ± 0.2506
8 1342 1342/1342 1342 ± 0.00002351 5.165 4.94/5.302 5.123 ± 0.2694
9 1342 1342/1342 1342 ± 0.00002351 5.401 5.258/5.649 5.407 ± 0.3059
10 1342 1342/1342 1342 ± 0.00002351 5.861 5.666/6.012 5.83 ± 0.2956
11 1342 1342/1342 1342 ± 0.00002351 6.101 5.902/6.241 6.044 ± 0.3059
12 1342 1342/1342 1342 ± 0.00002351 6.208 5.946/6.416 6.138 ± 0.4446
13 1342 1342/1342 1342 ± 0.00002351 6.638 6.55/6.775 6.632 ± 0.3353
14 1342 1342/1342 1342 ± 0.00002351 6.863 6.655/7.042 6.818 ± 0.3659
15 1342 1342/1342 1342 ± 0.00002351 6.565 6.321/6.76 6.488 ± 0.3525
16 1342 1342/1342 1342 ± 0.00002505 5.845 5.5/6.039 5.82 ± 0.3689
17 1342 1342/1342 1342 ± 0.0000266 5.855 5.482/6.093 5.83 ± 0.3615
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38617989.eb38636486.59099.9471230787_split_split.ms
statwtmode
VLASS-SE
Start time
2025-02-05 06:14:25.399
End
2025-02-05 06:43:43.962
Duration
0:29:18.563
Note, WebLog generation is not included in the time.

CASA logs for stage 8