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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.31 5.165/6.076 5.613 ± 0.568
ea02 1342 1342/1342 1342 ± 0 5.875 5.278/6.537 5.954 ± 0.702
ea04 1342 1342/1342 1342 ± 0 5.278 5.032/6.011 5.53 ± 0.5635
ea05 1342 1342/1342 1342 ± 0 5.63 5.431/6.508 5.889 ± 0.6247
ea06 1342 1342/1342 1342 ± 0 4.91 4.746/5.403 5.055 ± 0.4326
ea07 1342 1342/1342 1342 ± 0.00004123 5.587 5.317/6.284 5.874 ± 0.6882
ea08 1342 1342/1342 1342 ± 0.00001364 5.726 5.414/6.662 6.073 ± 0.7331
ea10 1342 1342/1342 1342 ± 0.00004192 5.386 5.153/6.603 5.818 ± 0.7698
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.474 5.259/6.488 5.831 ± 0.719
ea13 1342 1342/1342 1342 ± 0 6.163 5.67/6.529 6.138 ± 0.5328
ea14 1342 1342/1342 1342 ± 0.00002253 5.32 5.138/6.359 5.706 ± 0.6975
ea15 1342 1342/1342 1342 ± 0 5.386 5.048/6.144 5.652 ± 0.6764
ea16 1342 1342/1342 1342 ± 0 5.711 5.439/6.81 6.09 ± 0.8382
ea17 1342 1342/1342 1342 ± 0.00004178 5.711 5.377/6.662 6.008 ± 0.6938
ea18 1342 1342/1342 1342 ± 0.00001671 4.836 4.663/5.625 5.09 ± 0.5502
ea19 1342 1342/1342 1342 ± 0.00001102 5.787 5.484/6.726 6.077 ± 0.6698
ea20 1342 1342/1342 1342 ± 0.00000383 5.818 5.472/6.705 6.097 ± 0.7398
ea21 1342 1342/1342 1342 ± 0.00001328 5.484 5.308/6.25 5.767 ± 0.6239
ea22 1342 1342/1342 1342 ± 0 5.825 5.158/6.283 5.807 ± 0.6759
ea23 1342 1342/1342 1342 ± 0.00003908 5.483 5.328/6.542 5.943 ± 0.7649
ea25 1342 1342/1342 1342 ± 0.00004 5.166 4.994/6.107 5.559 ± 0.683
ea26 1342 1342/1342 1342 ± 0 6.27 5.633/6.813 6.257 ± 0.6529
ea27 1342 1342/1342 1342 ± 0.00004199 5.325 5.011/6.35 5.651 ± 0.6777
ea28 1342 1342/1342 1342 ± 0.0000363 5.473 5.291/6.504 5.81 ± 0.7249
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 ± 0.00002442 5.259 5.011/5.479 5.254 ± 0.2504
3 1342 1342/1342 1342 ± 0.00002501 5.049 4.892/5.298 5.1 ± 0.3211
5 1342 1342/1342 1342 ± 0.00002555 5.316 5.038/5.432 5.243 ± 0.2764
6 1342 1342/1342 1342 ± 0.00002442 5.324 5.081/5.443 5.278 ± 0.2747
7 1342 1342/1342 1342 ± 0.00002442 5.306 5.159/5.48 5.314 ± 0.2614
8 1342 1342/1342 1342 ± 0.00002442 5.287 5.078/5.404 5.24 ± 0.2779
9 1342 1342/1342 1342 ± 0.00002442 5.587 5.46/5.853 5.573 ± 0.3059
10 1342 1342/1342 1342 ± 0.00002442 6.039 5.918/6.184 5.998 ± 0.3223
11 1342 1342/1342 1342 ± 0.00002442 6.294 6.142/6.382 6.228 ± 0.3188
12 1342 1342/1342 1342 ± 0.00002442 6.476 6.234/6.597 6.405 ± 0.3572
13 1342 1342/1342 1342 ± 0.00002442 6.873 6.743/7.122 6.852 ± 0.3714
14 1342 1342/1342 1342 ± 0.00002442 7.206 6.881/7.378 7.073 ± 0.4161
15 1342 1342/1342 1342 ± 0.00002442 6.624 6.365/6.839 6.55 ± 0.4461
16 1342 1342/1342 1342 ± 0.00005869 5.231 5.037/5.598 5.293 ± 0.4406
17 1342 1342/1342 1342 ± 0.00005666 5.408 5.223/5.758 5.512 ± 0.4704
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
output_dir
 
Start time
2025-01-25 04:20:31.558
End
2025-01-25 04:47:51.610
Duration
0:27:20.053
Note, WebLog generation is not included in the time.

CASA logs for stage 8