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 6.167 5.922/6.83 6.392 ± 0.572
ea03 1342 1342/1342 1342 ± 0 5.663 5.157/6.693 5.844 ± 0.7361
ea04 1342 1342/1342 1342 ± 0 6.235 5.689/6.757 6.295 ± 0.6929
ea05 1342 1342/1342 1342 ± 0 6.113 5.8/7.012 6.337 ± 0.7268
ea06 1342 1342/1342 1342 ± 0 6.457 5.807/6.789 6.324 ± 0.6438
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 5.862 5.568/6.682 6.108 ± 0.6143
ea09 1342 1342/1342 1342 ± 0 6.145 5.503/6.897 6.195 ± 0.6905
ea10 1342 1342/1342 1342 ± 0 7.063 6.747/7.289 7.007 ± 0.4075
ea11 1342 1342/1342 1342 ± 0 6.353 5.572/6.816 6.291 ± 0.7324
ea12 1342 1342/1342 1342 ± 0 6.51 5.83/6.975 6.532 ± 0.7069
ea13 1342 1342/1342 1342 ± 0 5.775 5.46/6.212 5.888 ± 0.4212
ea14 1342 1342/1342 1342 ± 0 6.589 5.815/6.985 6.512 ± 0.72
ea15 1342 1342/1342 1342 ± 0 6.083 5.436/6.547 6.046 ± 0.659
ea16 1342 1342/1342 1342 ± 0 6.497 5.859/7.002 6.529 ± 0.743
ea17 1342 1342/1342 1342 ± 0 6.818 6.339/7.823 7.033 ± 0.7499
ea18 1342 1342/1342 1342 ± 0 5.222 4.817/5.651 5.262 ± 0.5513
ea19 1342 1342/1342 1342 ± 0 6.707 5.927/7.233 6.617 ± 0.7082
ea20 1342 1342/1342 1342 ± 0 5.912 5.552/6.699 6.067 ± 0.616
ea21 1342 1342/1342 1342 ± 0 5.425 5.178/6.009 5.623 ± 0.4866
ea22 1342 1342/1342 1342 ± 0 6.281 5.476/6.621 6.124 ± 0.6246
ea23 1342 1342/1342 1342 ± 0 6.309 5.83/6.9 6.461 ± 0.7002
ea24 1342 1342/1342 1342 ± 0 5.993 5.419/6.566 5.969 ± 0.59
ea25 1342 1342/1342 1342 ± 0 6.838 5.95/7.232 6.692 ± 0.8235
ea26 1342 1342/1342 1342 ± 0 6.642 6.073/7.455 6.714 ± 0.7153
ea27 1342 1342/1342 1342 ± 0 6.11 5.703/7.042 6.316 ± 0.6955
ea28 1342 1342/1342 1342 ± 0 6.221 5.901/7.08 6.487 ± 0.667
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 5.709 5.514/5.974 5.698 ± 0.3351
4 1342 1342/1342 1342 ± 0.00002392 5.384 5.176/5.688 5.412 ± 0.43
5 1342 1342/1342 1342 ± 0.00002392 5.79 5.443/5.885 5.663 ± 0.3541
6 1342 1342/1342 1342 ± 0.00002392 5.652 5.473/5.827 5.603 ± 0.3011
7 1342 1342/1342 1342 ± 0.00002392 5.762 5.525/5.9 5.692 ± 0.3142
8 1342 1342/1342 1342 ± 0.00002392 5.637 5.407/5.908 5.651 ± 0.3688
9 1342 1342/1342 1342 ± 0.00002392 5.973 5.745/6.224 5.954 ± 0.3555
10 1342 1342/1342 1342 ± 0.00002348 6.55 6.219/6.674 6.431 ± 0.3493
11 1342 1342/1342 1342 ± 0.00002348 6.759 6.538/6.94 6.678 ± 0.3696
12 1342 1342/1342 1342 ± 0.00002348 6.865 6.63/7.046 6.812 ± 0.4336
13 1342 1342/1342 1342 ± 0.00002348 7.341 7.034/7.67 7.285 ± 0.4868
14 1342 1342/1342 1342 ± 0.00002348 7.513 7.197/7.827 7.442 ± 0.4997
15 1342 1342/1342 1342 ± 0.00002348 7.077 6.839/7.422 7.082 ± 0.45
16 1342 1342/1342 1342 ± 0.00002348 6.363 6.082/6.743 6.377 ± 0.4941
17 1342 1342/1342 1342 ± 0.00002348 6.301 5.995/6.642 6.281 ± 0.5023
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 04:07:22.971
End
2025-06-12 05:10:27.783
Duration
1:03:04.813
Note, WebLog generation is not included in the time.

CASA logs for stage 8