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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.205 5.007/6.098 5.506 ± 0.7295
ea02 1342 1342/1342 1342 ± 0.00004235 5.714 5.052/6.61 5.871 ± 0.8897
ea04 1342 1342/1342 1342 ± 0.0000156 5.249 4.967/5.908 5.399 ± 0.685
ea05 1342 1342/1342 1342 ± 0.00002033 5.598 4.921/6.188 5.626 ± 0.7884
ea06 1342 1342/1342 1342 ± 0.00002225 4.875 4.587/5.372 4.972 ± 0.5064
ea07 1342 1342/1342 1342 ± 0 6.178 5.6/6.73 6.169 ± 0.684
ea08 1342 1342/1342 1342 ± 0.00004121 5.665 5.28/6.805 6.019 ± 1.011
ea09 1342 1342/1342 1342 ± 0.00002449 5.455 5.106/6.341 5.686 ± 0.7457
ea10 1342 1342/1342 1342 ± 0.00002908 5.623 5.195/6.644 5.875 ± 0.8326
ea11 1342 1342/1342 1342 ± 0.00004026 5.444 4.998/6.42 5.715 ± 0.8913
ea12 1342 1342/1342 1342 ± 0.00002751 5.782 5.234/6.419 5.825 ± 0.815
ea13 1342 1342/1342 1342 ± 0.00001244 6.099 5.318/6.35 5.889 ± 0.7454
ea14 1342 1342/1342 1342 ± 0.00002813 5.501 5.183/6.379 5.755 ± 0.8024
ea15 1342 1342/1342 1342 ± 0.00001935 5.138 4.921/6.189 5.498 ± 0.8715
ea16 1342 1342/1342 1342 ± 0.00002042 5.586 5.28/6.765 5.958 ± 0.9826
ea17 1342 1342/1342 1342 ± 0.00004028 5.677 5.252/6.965 5.935 ± 0.9158
ea18 1342 1342/1342 1342 ± 0.00004186 5.07 4.496/5.645 5.033 ± 0.6789
ea19 1342 1342/1342 1342 ± 0.0000242 5.777 5.505/7.315 6.205 ± 1.056
ea20 1342 1342/1342 1342 ± 0.00004027 5.764 5.369/6.781 5.963 ± 0.9612
ea21 1342 1342/1342 1342 ± 0.00002689 5.983 5.222/6.322 5.706 ± 0.8346
ea22 1342 1342/1342 1342 ± 0.00003908 5.948 4.993/6.394 5.654 ± 0.8245
ea23 1342 1342/1342 1342 ± 0.000001809 6.169 5.223/6.886 6.072 ± 0.8183
ea25 1342 1342/1342 1342 ± 0.00003352 5.958 5.004/6.27 5.621 ± 0.8215
ea26 1342 1342/1342 1342 ± 0.0000287 5.763 5.619/6.957 6.121 ± 0.8599
ea27 1342 1342/1342 1342 ± 0.00003172 5.324 4.927/6.479 5.627 ± 0.8375
ea28 1342 1342/1342 1342 ± 0.00003887 5.343 5.207/6.535 5.745 ± 0.9389
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 ± 0.000026 5.195 4.927/5.356 5.191 ± 0.284
5 1342 1342/1342 1342 ± 0.0000318 5.309 5.223/5.637 5.351 ± 0.3328
6 1342 1342/1342 1342 ± 0.00002349 5.233 5.009/5.355 5.194 ± 0.2925
7 1342 1342/1342 1342 ± 0.00002492 5.18 5.019/5.39 5.151 ± 0.2777
8 1342 1342/1342 1342 ± 0.00002394 5.135 4.931/5.279 5.127 ± 0.2867
9 1342 1342/1342 1342 ± 0.00002379 5.334 5.139/5.585 5.336 ± 0.2952
10 1342 1342/1342 1342 ± 0.00002349 6 5.89/6.174 5.987 ± 0.315
11 1342 1342/1342 1342 ± 0.00002349 6.34 6.176/6.415 6.279 ± 0.3998
12 1342 1342/1342 1342 ± 0.00002349 6.462 6.291/6.66 6.47 ± 0.4634
13 1342 1342/1342 1342 ± 0.00002349 6.897 6.671/7.081 6.816 ± 0.3873
14 1342 1342/1342 1342 ± 0.00002349 7.065 6.876/7.297 7.024 ± 0.4184
15 1342 1342/1342 1342 ± 0.00002395 6.618 6.337/6.867 6.537 ± 0.4526
16 1342 1342/1342 1342 ± 0.00005753 4.41 4.22/4.565 4.395 ± 0.2501
17 1342 1342/1342 1342 ± 0.00006093 4.357 4.218/4.532 4.379 ± 0.2058
statwtmode
VLASS-SE
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-08 04:33:38.799
End
2025-01-08 05:04:01.837
Duration
0:30:23.038
Note, WebLog generation is not included in the time.

CASA logs for stage 8