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

Statwt Summary Plot

VLASS2.1.sb38609625.eb38648759.59107.988554826385_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 5.719 5.12/6.038 5.629 ± 0.593
ea02 1342 1342/1342 1342 ± 0.0000262 5.576 5.285/6.372 5.826 ± 0.6863
ea04 1342 1342/1342 1342 ± 0 5.348 5.018/6.035 5.573 ± 0.588
ea05 1342 1342/1342 1342 ± 0 5.654 5.229/6.147 5.728 ± 0.6159
ea06 1342 1342/1342 1342 ± 0 4.978 4.63/5.283 4.977 ± 0.3745
ea07 1342 1342/1342 1342 ± 0 5.259 5.142/5.325 5.291 ± 0.1935
ea08 1342 1342/1342 1342 ± 0 5.758 5.47/6.689 6.049 ± 0.7491
ea09 1342 1342/1342 1342 ± 0 5.518 5.112/6.2 5.638 ± 0.6629
ea10 1342 1342/1342 1342 ± 0 5.894 5.21/6.499 5.843 ± 0.7219
ea11 1342 1342/1342 1342 ± 0 5.822 5.027/6.392 5.8 ± 0.7244
ea12 1342 1342/1342 1342 ± 0 5.63 5.209/6.373 5.836 ± 0.6964
ea13 1342 1342/1342 1342 ± 0 5.904 5.692/6.353 6.059 ± 0.5353
ea14 1342 1342/1342 1342 ± 0 5.749 5.086/6.382 5.816 ± 0.7206
ea15 1342 1342/1342 1342 ± 0 5.863 5.235/6.324 5.911 ± 0.6816
ea16 1342 1342/1342 1342 ± 0 6.005 5.517/6.655 6.136 ± 0.7512
ea17 1342 1342/1342 1342 ± 0 5.941 5.223/6.759 5.994 ± 0.7015
ea18 1342 1342/1342 1342 ± 0 5.037 4.658/5.509 5.084 ± 0.5294
ea19 1342 1342/1342 1342 ± 0 6.134 5.453/6.657 6.095 ± 0.672
ea20 1342 1342/1342 1342 ± 0 6.21 5.423/6.796 6.115 ± 0.6693
ea21 1342 1342/1342 1342 ± 0 5.645 5.259/6.22 5.759 ± 0.5987
ea22 1342 1342/1342 1342 ± 0 5.357 4.952/6.051 5.566 ± 0.6754
ea23 1342 1342/1342 1342 ± 0 6.091 5.226/6.49 5.998 ± 0.7296
ea25 1342 1342/1342 1342 ± 0 5.112 4.992/5.286 5.138 ± 0.199
ea26 1342 1342/1342 1342 ± 0 5.874 5.436/6.599 6.03 ± 0.734
ea27 1342 1342/1342 1342 ± 0 5.47 5.057/6.288 5.626 ± 0.6502
ea28 1342 1342/1342 1342 ± 0.000001511 5.697 5.312/6.436 5.846 ± 0.7223
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 ± 0.00002348 5.131 4.979/5.314 5.129 ± 0.226
3 1342 1342/1342 1342 ± 0.00002348 5.009 4.793/5.205 4.998 ± 0.2732
4 1342 1342/1342 1342 ± 0.00002788 5.075 4.871/5.217 5.054 ± 0.2383
5 1342 1342/1342 1342 ± 0.00002348 5.211 4.989/5.306 5.161 ± 0.2982
6 1342 1342/1342 1342 ± 0.00002348 5.23 5.048/5.341 5.211 ± 0.2744
7 1342 1342/1342 1342 ± 0.00002348 5.277 5.147/5.455 5.281 ± 0.2512
8 1342 1342/1342 1342 ± 0.00002348 5.318 5.116/5.457 5.265 ± 0.2738
9 1342 1342/1342 1342 ± 0.00002348 5.616 5.405/5.773 5.55 ± 0.3092
10 1342 1342/1342 1342 ± 0.0000244 6.013 5.855/6.154 5.965 ± 0.3211
11 1342 1342/1342 1342 ± 0.0000244 6.279 6.116/6.389 6.197 ± 0.3345
12 1342 1342/1342 1342 ± 0.0000244 6.387 6.262/6.563 6.309 ± 0.4566
13 1342 1342/1342 1342 ± 0.0000244 6.82 6.728/7.081 6.795 ± 0.3838
14 1342 1342/1342 1342 ± 0.0000244 7.085 6.783/7.262 6.961 ± 0.4214
15 1342 1342/1342 1342 ± 0.0000244 6.76 6.476/6.87 6.623 ± 0.4106
16 1342 1342/1342 1342 ± 0.00002443 5.968 5.661/6.299 5.948 ± 0.4018
17 1342 1342/1342 1342 ± 0.0000244 5.926 5.77/6.248 5.959 ± 0.3589
vis
VLASS2.1.sb38609625.eb38648759.59107.988554826385_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-03-19 22:55:34.382
End
2025-03-19 23:20:33.962
Duration
0:24:59.580
Note, WebLog generation is not included in the time.

CASA logs for stage 8