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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.568 5.889/7.122 6.451 ± 0.7446
ea03 1342 1342/1342 1342 ± 0.000007141 6.082 5.372/6.881 6.045 ± 0.7712
ea04 1342 1342/1342 1342 ± 0 5.923 5.452/6.41 5.969 ± 0.6467
ea05 1342 1342/1342 1342 ± 0 6.081 5.703/7.074 6.382 ± 0.7567
ea06 1342 1342/1342 1342 ± 0 6.338 5.682/6.632 6.254 ± 0.6046
ea07 1342 1342/1342 1342 ± 0 6.231 5.54/6.345 6.141 ± 0.6139
ea08 1342 1342/1342 1342 ± 0.000001983 6.645 5.716/6.939 6.479 ± 0.729
ea09 1342 1342/1342 1342 ± 0 6.198 5.66/6.984 6.324 ± 0.7776
ea10 1342 1342/1342 1342 ± 0 6.236 5.79/7.059 6.39 ± 0.6746
ea11 1342 1342/1342 1342 ± 0 6.299 5.595/6.935 6.355 ± 0.789
ea12 1342 1342/1342 1342 ± 0 6.488 5.806/6.91 6.482 ± 0.711
ea13 1342 1342/1342 1342 ± 0 6.042 5.937/6.531 6.217 ± 0.5093
ea14 1342 1342/1342 1342 ± 0 6.249 5.876/6.974 6.47 ± 0.6779
ea15 1342 1342/1342 1342 ± 0 5.277 4.889/5.691 5.331 ± 0.5207
ea16 1342 1342/1342 1342 ± 0 6.474 5.882/7.042 6.492 ± 0.783
ea17 1342 1342/1342 1342 ± 0 6.622 6.061/7.498 6.803 ± 0.768
ea18 1342 1342/1342 1342 ± 0 5.26 4.909/5.675 5.299 ± 0.4993
ea19 1342 1342/1342 1342 ± 0 6.527 6.147/7.436 6.754 ± 0.7345
ea20 1342 1342/1342 1342 ± 0 5.963 5.854/6.977 6.301 ± 0.6846
ea21 1342 1342/1342 1342 ± 0 5.95 5.678/6.736 6.155 ± 0.6175
ea22 1342 1342/1342 1342 ± 0 6.35 5.527/6.722 6.138 ± 0.6798
ea23 1342 1342/1342 1342 ± 0 6.053 5.937/7.036 6.478 ± 0.7479
ea24 1342 1342/1342 1342 ± 0 6.241 5.376/6.618 6.053 ± 0.6091
ea25 1342 1342/1342 1342 ± 0 6.634 5.808/6.875 6.526 ± 0.779
ea26 1342 1342/1342 1342 ± 0 6.627 6.01/7.343 6.623 ± 0.8213
ea27 1342 1342/1342 1342 ± 0 6.22 5.78/7.124 6.393 ± 0.7506
ea28 1342 1342/1342 1342 ± 0 6.256 5.918/7.1 6.505 ± 0.7419
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 ± 0.00002307 5.779 5.56/5.959 5.757 ± 0.3347
3 1342 1342/1342 1342 ± 0.00002349 5.484 5.282/5.61 5.438 ± 0.3027
4 1342 1342/1342 1342 ± 0.00003728 5.354 5.241/5.722 5.35 ± 0.4457
5 1342 1342/1342 1342 ± 0.00002307 5.806 5.448/5.96 5.673 ± 0.3704
6 1342 1342/1342 1342 ± 0.00002307 5.708 5.431/5.886 5.652 ± 0.3052
7 1342 1342/1342 1342 ± 0.00002307 5.777 5.543/5.903 5.703 ± 0.3146
8 1342 1342/1342 1342 ± 0.00002307 5.689 5.447/5.895 5.659 ± 0.3537
9 1342 1342/1342 1342 ± 0.00002307 6.082 5.77/6.269 5.976 ± 0.3659
10 1342 1342/1342 1342 ± 0.00002307 6.547 6.272/6.677 6.439 ± 0.3731
11 1342 1342/1342 1342 ± 0.00002307 6.784 6.55/6.972 6.689 ± 0.3926
12 1342 1342/1342 1342 ± 0.00002307 6.917 6.622/7.06 6.84 ± 0.4454
13 1342 1342/1342 1342 ± 0.00002307 7.421 7.071/7.756 7.364 ± 0.4778
14 1342 1342/1342 1342 ± 0.00002307 7.714 7.361/7.916 7.584 ± 0.4704
15 1342 1342/1342 1342 ± 0.00002307 7.178 6.874/7.491 7.112 ± 0.4759
16 1342 1342/1342 1342 ± 0.00002369 6.343 6.083/6.691 6.365 ± 0.443
17 1342 1342/1342 1342 ± 0.00002309 6.417 6.073/6.61 6.315 ± 0.4414
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
Start time
2025-06-07 17:38:13.794
End
2025-06-07 18:50:15.326
Duration
1:12:01.532
Note, WebLog generation is not included in the time.

CASA logs for stage 8