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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.573 5.963/6.868 6.516 ± 0.5964
ea03 1342 1342/1342 1342 ± 0 5.719 5.247/6.752 5.942 ± 0.7269
ea04 1342 1342/1342 1342 ± 0 6.28 5.796/6.771 6.353 ± 0.672
ea05 1342 1342/1342 1342 ± 0 6.23 5.901/7.049 6.411 ± 0.7195
ea06 1342 1342/1342 1342 ± 0 6.427 5.879/6.832 6.39 ± 0.607
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.103 5.707/6.773 6.245 ± 0.6192
ea09 1342 1342/1342 1342 ± 0 6.193 5.565/6.936 6.306 ± 0.6927
ea10 1342 1342/1342 1342 ± 0 7.142 6.799/7.377 7.059 ± 0.4439
ea11 1342 1342/1342 1342 ± 0 6.265 5.639/6.862 6.34 ± 0.7259
ea12 1342 1342/1342 1342 ± 0 6.607 5.926/7.071 6.613 ± 0.7082
ea13 1342 1342/1342 1342 ± 0 5.895 5.476/6.211 5.937 ± 0.422
ea14 1342 1342/1342 1342 ± 0 6.671 5.912/7.007 6.586 ± 0.6891
ea15 1342 1342/1342 1342 ± 0 6.025 5.499/6.611 6.094 ± 0.6562
ea16 1342 1342/1342 1342 ± 0 6.597 6.002/7.101 6.621 ± 0.7284
ea17 1342 1342/1342 1342 ± 0 6.902 6.495/7.897 7.11 ± 0.7352
ea18 1342 1342/1342 1342 ± 0 5.26 4.866/5.66 5.301 ± 0.5312
ea19 1342 1342/1342 1342 ± 0 6.711 6.076/7.341 6.705 ± 0.7066
ea20 1342 1342/1342 1342 ± 0 5.895 5.692/6.763 6.134 ± 0.6127
ea21 1342 1342/1342 1342 ± 0 5.511 5.309/6.105 5.715 ± 0.4798
ea22 1342 1342/1342 1342 ± 0 6.337 5.592/6.652 6.194 ± 0.6098
ea23 1342 1342/1342 1342 ± 0 6.32 5.941/6.974 6.52 ± 0.688
ea24 1342 1342/1342 1342 ± 0 6.156 5.455/6.641 6.046 ± 0.586
ea25 1342 1342/1342 1342 ± 0 6.887 6.063/7.21 6.791 ± 0.7935
ea26 1342 1342/1342 1342 ± 0 6.747 6.174/7.496 6.83 ± 0.7078
ea27 1342 1342/1342 1342 ± 0 6.093 5.819/7.093 6.386 ± 0.661
ea28 1342 1342/1342 1342 ± 0 6.307 5.971/7.178 6.572 ± 0.6719
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 5.894 5.672/6.164 5.833 ± 0.3368
4 1342 1342/1342 1342 ± 0.00002392 5.476 5.252/5.808 5.521 ± 0.4328
5 1342 1342/1342 1342 ± 0.00002392 5.893 5.555/6.043 5.788 ± 0.3682
6 1342 1342/1342 1342 ± 0.00002392 5.78 5.497/5.917 5.697 ± 0.3135
7 1342 1342/1342 1342 ± 0.00002392 5.83 5.589/5.971 5.769 ± 0.3156
8 1342 1342/1342 1342 ± 0.00002392 5.689 5.468/5.983 5.719 ± 0.3733
9 1342 1342/1342 1342 ± 0.00002392 6.037 5.817/6.31 6.021 ± 0.3723
10 1342 1342/1342 1342 ± 0.00002348 6.634 6.28/6.729 6.494 ± 0.3594
11 1342 1342/1342 1342 ± 0.00002348 6.816 6.574/7.006 6.739 ± 0.3749
12 1342 1342/1342 1342 ± 0.00002348 6.911 6.664/7.115 6.874 ± 0.441
13 1342 1342/1342 1342 ± 0.00002348 7.4 7.117/7.752 7.354 ± 0.4993
14 1342 1342/1342 1342 ± 0.00002348 7.585 7.299/7.897 7.543 ± 0.5033
15 1342 1342/1342 1342 ± 0.00002348 7.098 6.886/7.518 7.148 ± 0.4679
16 1342 1342/1342 1342 ± 0.00002348 6.411 6.092/6.795 6.422 ± 0.4987
17 1342 1342/1342 1342 ± 0.00002348 6.353 6.094/6.677 6.335 ± 0.4865
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-06-12 05:10:47.222
End
2025-06-12 06:29:34.196
Duration
1:18:46.973
Note, WebLog generation is not included in the time.

CASA logs for stage 8