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

Statwt Summary Plot

VLASS2.1.sb38561374.eb38565040.59070.62333981482_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 5.297 5.092/6.009 5.51 ± 0.5502
ea02 1342 1342/1342 1342 ± 0.00004588 5.658 5.213/6.489 5.793 ± 0.7462
ea05 1342 1342/1342 1342 ± 0.000002488 5.356 5.168/6.337 5.695 ± 0.6343
ea06 1342 1342/1342 1342 ± 0 4.911 4.707/5.534 5.155 ± 0.5312
ea07 1342 1342/1342 1342 ± 0.00003402 5.554 5.28/5.955 5.635 ± 0.5571
ea08 1342 1342/1342 1342 ± 0.00004531 5.82 5.362/6.694 5.965 ± 0.7816
ea09 1342 1342/1342 1342 ± 0.00003985 4.695 3.396/6.331 4.81 ± 1.35
ea10 1342 1342/1342 1342 ± 0.00004201 5.277 4.944/6.388 5.623 ± 0.653
ea11 1342 1342/1342 1342 ± 0.00002113 5.56 5.072/6.33 5.648 ± 0.7496
ea12 1342 1342/1342 1342 ± 0 5.452 5.161/6.297 5.644 ± 0.697
ea13 1342 1342/1342 1342 ± 0.00002065 5.641 5.505/6.243 5.85 ± 0.6209
ea14 1342 1342/1342 1342 ± 0 6.317 5.892/6.726 6.259 ± 0.5991
ea15 1342 1342/1342 1342 ± 0 5.404 5.071/6.252 5.647 ± 0.6272
ea16 1342 1342/1342 1342 ± 0.000004162 5.198 4.887/5.555 5.291 ± 0.4442
ea17 1342 1342/1342 1342 ± 0.00004214 5.841 5.276/6.818 5.902 ± 0.7469
ea18 1342 1342/1342 1342 ± 0.000008107 4.79 4.409/5.532 4.906 ± 0.5542
ea19 1342 1342/1342 1342 ± 0 5.562 5.338/6.489 5.853 ± 0.6249
ea20 1342 1342/1342 1342 ± 0.000001599 5.823 5.46/6.569 5.983 ± 0.7618
ea21 1342 1342/1342 1342 ± 0.000001927 5.34 5.107/6.255 5.633 ± 0.6122
ea22 1342 1342/1342 1342 ± 0.00004215 5.45 5.053/6.423 5.699 ± 0.7293
ea23 1342 1342/1342 1342 ± 0.00002647 5.512 5.294/6.548 5.901 ± 0.6923
ea25 1342 1342/1342 1342 ± 0 5.084 4.994/5.237 5.158 ± 0.2055
ea26 1342 1342/1342 1342 ± 0.000001549 5.368 5.181/6.305 5.662 ± 0.6778
ea27 1342 1342/1342 1342 ± 0.00004272 5.475 5.021/6.378 5.625 ± 0.6651
ea28 1342 1342/1342 1342 ± 0.00005286 6.36 5.793/6.62 6.096 ± 0.7358
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 ± 0.00002492 5.24 5.066/5.456 5.158 ± 0.4507
4 1342 1342/1342 1342 ± 0.00003673 5 4.858/5.131 4.929 ± 0.3456
5 1342 1342/1342 1342 ± 0.00002492 5.186 4.969/5.33 5.107 ± 0.4846
6 1342 1342/1342 1342 ± 0.00002492 5.24 5.033/5.414 5.144 ± 0.469
7 1342 1342/1342 1342 ± 0.00002492 5.134 5.068/5.336 5.127 ± 0.4165
8 1342 1342/1342 1342 ± 0.00002492 5.237 5.023/5.371 5.134 ± 0.4744
9 1342 1342/1342 1342 ± 0.00002492 5.53 5.396/5.685 5.431 ± 0.5068
10 1342 1342/1342 1342 ± 0.00002442 5.928 5.666/6.065 5.898 ± 0.2895
11 1342 1342/1342 1342 ± 0.00002442 6.224 5.962/6.312 6.145 ± 0.3459
12 1342 1342/1342 1342 ± 0.00002442 6.379 6.21/6.492 6.298 ± 0.3322
13 1342 1342/1342 1342 ± 0.00002442 6.632 6.456/6.875 6.613 ± 0.3347
14 1342 1342/1342 1342 ± 0.00002442 6.77 6.587/7.029 6.706 ± 0.3455
15 1342 1342/1342 1342 ± 0.00002442 6.509 6.353/6.628 6.457 ± 0.3976
16 1342 1342/1342 1342 ± 0.00006038 4.864 4.708/5.049 4.889 ± 0.3008
17 1342 1342/1342 1342 ± 0.00006043 4.831 4.718/4.989 4.862 ± 0.2783
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38561374.eb38565040.59070.62333981482_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-05 20:55:40.001
End
2024-12-05 22:08:37.054
Duration
1:12:57.054
Note, WebLog generation is not included in the time.

CASA logs for stage 8