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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.014 5.689/6.64 6.145 ± 0.7043
ea02 1342 1342/1342 1342 ± 0 6.218 5.604/6.618 6.205 ± 0.7363
ea03 1342 1342/1342 1342 ± 0 6.154 5.372/6.777 6.047 ± 0.8849
ea04 1342 1342/1342 1342 ± 0 5.598 5.108/6.077 5.594 ± 0.6958
ea05 1342 1342/1342 1342 ± 0 5.882 5.438/6.515 5.94 ± 0.7895
ea06 1342 1342/1342 1342 ± 0 5.815 5.149/6.19 5.639 ± 0.9197
ea07 1342 1342/1342 1342 ± 0 6.039 5.359/6.626 6.041 ± 0.8071
ea08 1342 1342/1342 1342 ± 0 6.565 5.77/6.945 6.48 ± 0.7274
ea09 1342 1342/1342 1342 ± 0 5.688 5.18/6.299 5.693 ± 0.9321
ea10 1342 1342/1342 1342 ± 0 5.744 5.17/6.214 5.663 ± 0.802
ea11 1342 1342/1342 1342 ± 0 5.8 5.405/6.529 5.893 ± 0.7497
ea12 1342 1342/1342 1342 ± 0 5.619 5.27/6.228 5.742 ± 0.7103
ea13 1342 1342/1342 1342 ± 0 5.951 5.538/6.377 5.927 ± 0.8045
ea14 1342 1342/1342 1342 ± 0 6.105 5.662/6.634 6.105 ± 0.7497
ea15 1342 1342/1342 1342 ± 0 6.731 6.637/7.35 6.936 ± 0.4417
ea17 1342 1342/1342 1342 ± 0 6.185 5.843/6.961 6.365 ± 0.7867
ea18 1342 1342/1342 1342 ± 0 6.335 5.792/6.944 6.392 ± 0.7282
ea19 1342 1342/1342 1342 ± 0 5.945 5.524/6.588 6.003 ± 0.7579
ea20 1342 1342/1342 1342 ± 0 6.417 5.882/7.087 6.526 ± 0.7205
ea21 1342 1342/1342 1342 ± 0 5.496 5.173/6.043 5.57 ± 0.6679
ea22 1342 1342/1342 1342 ± 0 6.102 5.582/6.58 6.13 ± 0.668
ea23 1342 1342/1342 1342 ± 0 6.207 5.579/6.552 6.121 ± 0.8578
ea24 1342 1342/1342 1342 ± 0 6.229 5.216/6.612 5.957 ± 0.6672
ea25 1342 1342/1342 1342 ± 0 6.352 5.674/6.996 6.376 ± 0.9216
ea27 1342 1342/1342 1342 ± 0 5.638 5.226/6.401 5.689 ± 0.7708
ea28 1342 1342/1342 1342 ± 0 6.242 5.795/6.945 6.422 ± 0.7203
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 ± 0.00002392 5.504 5.295/5.644 5.502 ± 0.2249
3 1342 1342/1342 1342 ± 0.00002439 4.299 3.935/4.771 4.353 ± 0.7069
4 1342 1342/1342 1342 ± 0.00002467 5.256 5.087/5.616 5.322 ± 0.2943
5 1342 1342/1342 1342 ± 0.00002392 5.494 5.194/5.732 5.496 ± 0.288
6 1342 1342/1342 1342 ± 0.00002392 5.424 5.255/5.664 5.442 ± 0.2809
7 1342 1342/1342 1342 ± 0.00002392 5.576 5.382/5.724 5.555 ± 0.2461
8 1342 1342/1342 1342 ± 0.00002392 5.471 5.217/5.69 5.483 ± 0.3029
9 1342 1342/1342 1342 ± 0.00002392 5.761 5.588/6.052 5.792 ± 0.2987
10 1342 1342/1342 1342 ± 0.00002348 6.308 6.154/6.425 6.29 ± 0.2695
11 1342 1342/1342 1342 ± 0.00002348 6.512 6.253/6.683 6.502 ± 0.2712
12 1342 1342/1342 1342 ± 0.00002348 6.627 6.422/6.781 6.641 ± 0.3174
13 1342 1342/1342 1342 ± 0.00002348 7.138 6.792/7.445 7.106 ± 0.3495
14 1342 1342/1342 1342 ± 0.00002348 7.239 6.933/7.609 7.265 ± 0.3607
15 1342 1342/1342 1342 ± 0.00002348 7.069 6.653/7.256 6.964 ± 0.355
16 1342 1342/1342 1342 ± 0.00002348 6.314 6.068/6.664 6.348 ± 0.3798
17 1342 1342/1342 1342 ± 0.00002348 6.349 6.034/6.643 6.339 ± 0.3651
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-08-05 05:00:26.832
End
2025-08-05 05:31:01.612
Duration
0:30:34.780
Note, WebLog generation is not included in the time.

CASA logs for stage 8