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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.189 5.054/5.806 5.181 ± 0.9053
ea02 1342 1342/1342 1342 ± 0.00004369 5.711 5.277/6.36 5.536 ± 1.06
ea04 1342 1342/1342 1342 ± 0.00002066 5.205 4.968/5.972 5.228 ± 0.9514
ea05 1342 1342/1342 1342 ± 0.000003327 5.435 5.139/6.253 5.549 ± 0.8323
ea06 1342 1342/1342 1342 ± 0.00003406 4.887 4.678/5.349 4.792 ± 0.7793
ea07 1342 1342/1342 1342 ± 0.00004339 5.616 5.269/6.025 5.421 ± 0.9661
ea08 1342 1342/1342 1342 ± 0.00004437 5.801 5.43/6.633 5.682 ± 1.158
ea09 1342 1342/1342 1342 ± 0.000006355 5.292 5.119/6.143 5.371 ± 0.8715
ea10 1342 1342/1342 1342 ± 0.00004486 5.26 5.015/6.232 5.302 ± 0.9736
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004012 5.414 5.224/6.461 5.526 ± 1.118
ea13 1342 1342/1342 1342 ± 0.00001688 5.922 5.34/6.364 5.71 ± 0.9058
ea14 1342 1342/1342 1342 ± 0.000002945 5.565 5.256/6.489 5.552 ± 1.047
ea15 1342 1342/1342 1342 ± 0.00000944 5.265 5.138/6.184 5.446 ± 1.042
ea16 1342 1342/1342 1342 ± 0.00001793 5.718 5.328/6.207 5.549 ± 1.055
ea17 1342 1342/1342 1342 ± 0.000045 5.705 5.337/6.45 5.595 ± 1.087
ea18 1342 1342/1342 1342 ± 0.00004272 4.819 4.496/5.668 4.831 ± 0.8513
ea19 1342 1342/1342 1342 ± 0 5.734 5.442/6.618 5.785 ± 0.8925
ea20 1342 1342/1342 1342 ± 0.00004178 5.693 5.545/6.866 5.817 ± 1.192
ea21 1342 1342/1342 1342 ± 0.00001044 5.478 5.259/6.187 5.457 ± 0.9034
ea22 1342 1342/1342 1342 ± 0.00003866 5.399 5.075/6.168 5.368 ± 0.9744
ea23 1342 1342/1342 1342 ± 0.0000424 5.495 5.352/6.348 5.561 ± 1.079
ea25 1342 1342/1342 1342 ± 0.00004306 5.423 5.107/6.08 5.325 ± 0.9501
ea27 1342 1342/1342 1342 ± 0.00004496 5.123 4.888/6.185 5.176 ± 0.976
ea28 1342 1342/1342 1342 ± 0.00004557 5.457 5.307/6.361 5.45 ± 1.049
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 ± 0.00002441 5.304 5.068/5.525 5.276 ± 0.2742
3 1342 1342/1342 1342 ± 0.00003259 5.297 5.009/5.653 5.335 ± 0.4312
5 1342 1342/1342 1342 ± 0.00002441 5.335 5.18/5.482 5.31 ± 0.363
6 1342 1342/1342 1342 ± 0.00002441 5.227 5.118/5.376 5.217 ± 0.2695
7 1342 1342/1342 1342 ± 0.00002441 5.263 5.105/5.416 5.231 ± 0.2365
8 1342 1342/1342 1342 ± 0.00002441 5.279 5.028/5.418 5.22 ± 0.2646
9 1342 1342/1342 1342 ± 0.00002441 5.454 5.298/5.683 5.43 ± 0.3032
10 1342 1342/1342 1342 ± 0.0000244 6.009 5.754/6.071 5.928 ± 0.3163
11 1342 1342/1342 1342 ± 0.0000244 6.223 6.095/6.369 6.195 ± 0.3311
12 1342 1342/1342 1342 ± 0.0000244 6.402 6.202/6.567 6.372 ± 0.3434
13 1342 1342/1342 1342 ± 0.00002502 6.529 6.269/6.736 6.493 ± 0.3694
14 1342 1342/1342 1342 ± 0.00004049 5.891 5.651/6.382 6.032 ± 0.534
15 1342 1342/1342 1342 ± 0.0000244 6.669 6.392/6.842 6.562 ± 0.4406
16 1342 1342/1342 1342 ± 0.00005845 3.283 3.123/3.524 3.337 ± 0.2924
17 1342 1342/1342 1342 ± 0.00005977 3.32 3.183/3.529 3.389 ± 0.373
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-10 01:43:07.142
End
2024-12-10 02:06:18.956
Duration
0:23:11.814
Note, WebLog generation is not included in the time.

CASA logs for stage 8