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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.605 5.444/6.436 5.783 ± 0.776
ea02 1342 1342/1342 1342 ± 0.00004399 6.081 5.561/6.841 6.054 ± 0.9135
ea04 1342 1342/1342 1342 ± 0.00001861 5.536 5.266/6.193 5.684 ± 0.738
ea05 1342 1342/1342 1342 ± 0.00002424 5.562 5.18/6.595 5.808 ± 0.8123
ea06 1342 1342/1342 1342 ± 0.00003698 5.61 4.795/5.88 5.279 ± 0.7499
ea07 1342 1342/1342 1342 ± 0.0000403 5.891 5.508/6.397 5.953 ± 0.8303
ea09 1342 1342/1342 1342 ± 0.00002374 5.512 5.011/5.869 5.408 ± 0.6492
ea10 1342 1342/1342 1342 ± 0.00003984 5.309 4.931/6.119 5.436 ± 0.7087
ea11 1342 1342/1342 1342 ± 0.00004282 6.042 5.628/6.785 6.066 ± 0.9778
ea12 1342 1342/1342 1342 ± 0.0000413 5.785 5.522/6.756 5.982 ± 0.9919
ea13 1342 1342/1342 1342 ± 0.00001522 5.845 5.457/6.411 6.01 ± 0.7561
ea14 1342 1342/1342 1342 ± 0.00004021 5.741 5.49/6.727 5.999 ± 0.9368
ea15 1342 1342/1342 1342 ± 0.00002642 5.802 5.524/6.62 5.92 ± 0.9312
ea16 1342 1342/1342 1342 ± 0.00003728 5.993 5.341/6.886 6.059 ± 1.021
ea17 1342 1342/1342 1342 ± 0.00004324 6.009 5.505/7.255 6.147 ± 1.03
ea18 1342 1342/1342 1342 ± 0.00003865 5.135 5.061/6.024 5.38 ± 0.6841
ea19 1342 1342/1342 1342 ± 0.00001244 5.796 5.624/6.813 6.098 ± 0.8747
ea20 1342 1342/1342 1342 ± 0.00004263 6.153 6.027/7.196 6.391 ± 1.079
ea21 1342 1342/1342 1342 ± 0.00003791 5.655 5.325/6.463 5.802 ± 0.8409
ea22 1342 1342/1342 1342 ± 0.0000425 6.254 5.013/6.579 5.892 ± 0.9422
ea23 1342 1342/1342 1342 ± 0.00004385 5.914 5.568/6.859 6.068 ± 1.011
ea24 1342 1342/1342 1342 ± 0.00001778 5.239 4.908/6.233 5.502 ± 0.728
ea25 1342 1342/1342 1342 ± 0.00004294 5.808 5.441/6.548 5.844 ± 0.9012
ea26 1342 1342/1342 1342 ± 0.00002609 5.953 5.649/6.99 6.143 ± 0.9552
ea27 1342 1342/1342 1342 ± 0.00004238 5.871 5.566/6.832 5.995 ± 0.8829
ea28 1342 1342/1342 1342 ± 0.00004298 5.798 5.646/6.836 6.065 ± 0.9323
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 ± 0.00002351 5.523 5.334/5.699 5.451 ± 0.3257
3 1342 1342/1342 1342 ± 0.00003793 5.214 4.851/5.357 5.125 ± 0.2994
6 1342 1342/1342 1342 ± 0.00002378 5.518 5.219/5.637 5.44 ± 0.2897
7 1342 1342/1342 1342 ± 0.00002407 5.558 5.354/5.639 5.496 ± 0.2825
8 1342 1342/1342 1342 ± 0.00002407 5.474 5.255/5.606 5.454 ± 0.3077
9 1342 1342/1342 1342 ± 0.00002685 5.796 5.448/5.907 5.696 ± 0.3025
10 1342 1342/1342 1342 ± 0.00002351 6.303 5.982/6.367 6.205 ± 0.3068
11 1342 1342/1342 1342 ± 0.00002351 6.505 6.189/6.682 6.456 ± 0.3321
12 1342 1342/1342 1342 ± 0.00002351 6.618 6.39/6.858 6.612 ± 0.3758
13 1342 1342/1342 1342 ± 0.00002351 7.04 6.814/7.343 6.989 ± 0.4285
14 1342 1342/1342 1342 ± 0.00002351 7.231 6.92/7.422 7.095 ± 0.4525
15 1342 1342/1342 1342 ± 0.00002395 6.673 6.331/6.896 6.587 ± 0.4249
16 1342 1342/1342 1342 ± 0.00005581 4.351 4.237/4.469 4.351 ± 0.1996
17 1342 1342/1342 1342 ± 0.00005838 4.355 4.212/4.584 4.395 ± 0.2688
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-04-21 02:36:32.657
End
2024-04-21 03:49:27.545
Duration
1:12:54.888
Note, WebLog generation is not included in the time.

CASA logs for stage 7