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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.763 5.681/6.519 6.098 ± 0.6288
ea02 1342 1342/1342 1342 ± 0.0000415 6.39 5.871/6.994 6.494 ± 0.6754
ea03 1342 1342/1342 1342 ± 0 5.874 5.109/6.308 5.771 ± 0.6349
ea04 1342 1342/1342 1342 ± 0 5.868 5.456/6.532 5.968 ± 0.6266
ea05 1342 1342/1342 1342 ± 0 6.084 5.705/6.796 6.102 ± 0.7222
ea06 1342 1342/1342 1342 ± 0 5.114 4.988/5.51 5.241 ± 0.3393
ea07 1342 1342/1342 1342 ± 0 6.278 5.914/6.717 6.419 ± 0.6926
ea08 1342 1342/1342 1342 ± 0 6.229 5.885/7.098 6.481 ± 0.7434
ea09 1342 1342/1342 1342 ± 0 6.094 5.573/6.832 6.197 ± 0.7553
ea10 1342 1342/1342 1342 ± 0 6.164 5.77/7.063 6.344 ± 0.7264
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.277 5.69/6.736 6.285 ± 0.7565
ea13 1342 1342/1342 1342 ± 0 6.629 6.105/6.904 6.481 ± 0.6512
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.351 5.823/6.868 6.416 ± 0.7496
ea16 1342 1342/1342 1342 ± 0 6.312 6.02/7.116 6.503 ± 0.8081
ea17 1342 1342/1342 1342 ± 0 6.57 6.237/7.489 6.824 ± 0.6941
ea18 1342 1342/1342 1342 ± 0 5.339 4.958/5.799 5.374 ± 0.5753
ea19 1342 1342/1342 1342 ± 0 6.288 5.776/6.965 6.318 ± 0.6831
ea20 1342 1342/1342 1342 ± 0 6.378 5.789/6.931 6.302 ± 0.7133
ea21 1342 1342/1342 1342 ± 0 5.93 5.736/6.725 6.155 ± 0.6831
ea22 1342 1342/1342 1342 ± 0 6.224 5.548/6.549 6.092 ± 0.6183
ea23 1342 1342/1342 1342 ± 0 6.02 5.852/6.95 6.386 ± 0.7721
ea24 1342 1342/1342 1342 ± 0 6.378 5.84/6.987 6.36 ± 0.7217
ea25 1342 1342/1342 1342 ± 0 5.903 5.632/6.625 6.106 ± 0.6386
ea26 1342 1342/1342 1342 ± 0 6.776 6.127/7.462 6.793 ± 0.7664
ea27 1342 1342/1342 1342 ± 0 5.933 5.768/6.878 6.205 ± 0.6728
ea28 1342 1342/1342 1342 ± 0 6.1 5.592/6.658 6.121 ± 0.6736
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 ± 0.00002348 5.785 5.539/5.888 5.694 ± 0.3305
4 1342 1342/1342 1342 ± 0.0000256 5.028 4.791/5.156 4.956 ± 0.2688
5 1342 1342/1342 1342 ± 0.00002348 5.757 5.53/5.991 5.738 ± 0.3766
6 1342 1342/1342 1342 ± 0.00002348 5.714 5.567/5.939 5.688 ± 0.3504
7 1342 1342/1342 1342 ± 0.00002348 5.777 5.613/5.848 5.71 ± 0.3214
8 1342 1342/1342 1342 ± 0.00002348 5.665 5.512/5.853 5.621 ± 0.3571
9 1342 1342/1342 1342 ± 0.00002348 5.93 5.694/6.268 5.895 ± 0.3934
10 1342 1342/1342 1342 ± 0.00002348 6.424 6.233/6.641 6.364 ± 0.3788
11 1342 1342/1342 1342 ± 0.00002348 6.635 6.452/6.81 6.588 ± 0.3875
12 1342 1342/1342 1342 ± 0.00002348 6.797 6.629/6.97 6.757 ± 0.4344
13 1342 1342/1342 1342 ± 0.00002348 7.283 7.174/7.461 7.233 ± 0.4686
14 1342 1342/1342 1342 ± 0.00002348 7.474 7.289/7.803 7.442 ± 0.5098
15 1342 1342/1342 1342 ± 0.00002348 7.015 6.828/7.33 6.981 ± 0.4892
16 1342 1342/1342 1342 ± 0.00002393 6.246 5.952/6.439 6.23 ± 0.414
17 1342 1342/1342 1342 ± 0.00002393 6.293 6.094/6.584 6.302 ± 0.42
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-11 01:49:17.168
End
2025-01-11 02:47:49.582
Duration
0:58:32.414
Note, WebLog generation is not included in the time.

CASA logs for stage 8