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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.518 5.333/5.983 5.753 ± 0.5326
ea02 1342 1342/1342 1342 ± 0.00001204 5.908 5.494/6.503 6.052 ± 0.6586
ea04 1342 1342/1342 1342 ± 0.000004863 5.358 5.153/6.083 5.682 ± 0.5811
ea05 1342 1342/1342 1342 ± 0 5.609 5.303/6.141 5.808 ± 0.6107
ea06 1342 1342/1342 1342 ± 0 4.711 4.618/5.297 4.938 ± 0.4039
ea07 1342 1342/1342 1342 ± 0.000006984 6.021 5.564/6.328 6.075 ± 0.5876
ea08 1342 1342/1342 1342 ± 0.00002223 5.967 5.595/6.663 6.165 ± 0.6844
ea09 1342 1342/1342 1342 ± 0.00000924 5.605 5.292/6.256 5.77 ± 0.6582
ea10 1342 1342/1342 1342 ± 0.000007748 6.023 5.465/6.674 6.055 ± 0.6985
ea11 1342 1342/1342 1342 ± 0.000007186 5.889 5.238/6.419 5.912 ± 0.66
ea12 1342 1342/1342 1342 ± 0 5.626 5.462/6.394 6.026 ± 0.646
ea13 1342 1342/1342 1342 ± 0.000004384 5.924 5.748/6.412 6.146 ± 0.5335
ea14 1342 1342/1342 1342 ± 0 5.688 5.255/6.35 5.899 ± 0.6733
ea15 1342 1342/1342 1342 ± 0 5.511 5.165/6.259 5.796 ± 0.7261
ea16 1342 1342/1342 1342 ± 0 6.287 5.818/6.842 6.395 ± 0.7458
ea17 1342 1342/1342 1342 ± 0.00001816 6.117 5.671/6.858 6.245 ± 0.6617
ea18 1342 1342/1342 1342 ± 0.000001721 4.962 4.781/5.565 5.215 ± 0.5256
ea19 1342 1342/1342 1342 ± 0 5.734 5.63/6.817 6.232 ± 0.7351
ea20 1342 1342/1342 1342 ± 0.000001721 5.927 5.766/6.763 6.306 ± 0.6562
ea21 1342 1342/1342 1342 ± 0.000001219 5.697 5.403/6.315 5.92 ± 0.5962
ea22 1342 1342/1342 1342 ± 0.00001049 5.526 5.284/6.453 5.805 ± 0.6408
ea23 1342 1342/1342 1342 ± 0.00000453 6.26 5.597/6.697 6.224 ± 0.6911
ea25 1342 1342/1342 1342 ± 0.000008032 5.708 5.328/6.156 5.809 ± 0.5992
ea26 1342 1342/1342 1342 ± 0.000005829 5.863 5.599/6.588 6.156 ± 0.6949
ea27 1342 1342/1342 1342 ± 0.00001874 5.7 5.391/6.502 5.902 ± 0.6005
ea28 1342 1342/1342 1342 ± 0.00003308 5.693 5.493/6.459 5.934 ± 0.6769
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 ± 0.00002352 5.447 5.242/5.611 5.411 ± 0.2697
3 1342 1342/1342 1342 ± 0.00002508 5.206 4.985/5.458 5.189 ± 0.3067
4 1342 1342/1342 1342 ± 0.00002447 5.356 5.045/5.451 5.219 ± 0.2929
5 1342 1342/1342 1342 ± 0.0000235 5.5 5.212/5.669 5.454 ± 0.3376
6 1342 1342/1342 1342 ± 0.0000235 5.464 5.226/5.639 5.425 ± 0.3096
7 1342 1342/1342 1342 ± 0.0000235 5.463 5.291/5.639 5.44 ± 0.2926
8 1342 1342/1342 1342 ± 0.0000235 5.473 5.248/5.573 5.389 ± 0.3137
9 1342 1342/1342 1342 ± 0.0000235 5.709 5.494/5.975 5.684 ± 0.3626
10 1342 1342/1342 1342 ± 0.00002395 6.121 5.913/6.3 6.072 ± 0.3329
11 1342 1342/1342 1342 ± 0.00002395 6.344 6.188/6.496 6.296 ± 0.347
12 1342 1342/1342 1342 ± 0.0000235 6.484 6.376/6.703 6.482 ± 0.3749
13 1342 1342/1342 1342 ± 0.0000235 7 6.847/7.162 6.954 ± 0.4071
14 1342 1342/1342 1342 ± 0.00002606 7.277 7.049/7.504 7.209 ± 0.446
15 1342 1342/1342 1342 ± 0.00003078 6.725 6.477/6.913 6.639 ± 0.427
16 1342 1342/1342 1342 ± 0.00003431 5.962 5.687/6.265 5.965 ± 0.4128
17 1342 1342/1342 1342 ± 0.00003252 6.014 5.662/6.275 5.984 ± 0.395
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-02-21 03:29:09.783
End
2025-02-21 04:21:25.118
Duration
0:52:15.334
Note, WebLog generation is not included in the time.

CASA logs for stage 8