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

Statwt Summary Plot

VLASS2.1.sb38536469.eb38590168.59084.87988079861_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 5.436 4.897/5.662 5.302 ± 0.5213
ea02 1342 1342/1342 1342 ± 0.00001239 5.31 4.891/5.947 5.431 ± 0.6393
ea04 1342 1342/1342 1342 ± 0 5.083 4.73/5.636 5.232 ± 0.5175
ea05 1342 1342/1342 1342 ± 0 5.403 4.832/5.972 5.436 ± 0.6455
ea06 1342 1342/1342 1342 ± 0 4.888 4.594/5.297 4.966 ± 0.4229
ea07 1342 1342/1342 1342 ± 0 5.458 4.991/5.758 5.472 ± 0.5553
ea08 1342 1342/1342 1342 ± 0.000003066 5.359 5.068/6.121 5.601 ± 0.658
ea09 1342 1342/1342 1342 ± 0 5.088 4.711/5.791 5.223 ± 0.6409
ea10 1342 1342/1342 1342 ± 0 5.197 4.658/5.82 5.215 ± 0.5879
ea11 1342 1342/1342 1342 ± 0.000003066 5.473 4.789/5.912 5.422 ± 0.6257
ea12 1342 1342/1342 1342 ± 0 5.399 4.974/6.033 5.575 ± 0.6383
ea13 1342 1342/1342 1342 ± 0 5.375 5.109/5.809 5.505 ± 0.5202
ea14 1342 1342/1342 1342 ± 0 5.415 4.846/5.958 5.46 ± 0.6525
ea15 1342 1342/1342 1342 ± 0 5.206 4.726/5.766 5.322 ± 0.6401
ea16 1342 1342/1342 1342 ± 0 5.674 5.186/6.252 5.762 ± 0.713
ea17 1342 1342/1342 1342 ± 0.00000406 5.518 5.112/6.045 5.63 ± 0.6333
ea18 1342 1342/1342 1342 ± 0 4.723 4.427/5.256 4.857 ± 0.5043
ea19 1342 1342/1342 1342 ± 0 5.466 5.014/6.152 5.627 ± 0.6638
ea20 1342 1342/1342 1342 ± 0 5.726 5.278/6.335 5.828 ± 0.6624
ea21 1342 1342/1342 1342 ± 0 5.231 4.874/5.784 5.351 ± 0.5494
ea22 1342 1342/1342 1342 ± 0 5.161 4.801/5.915 5.327 ± 0.6678
ea23 1342 1342/1342 1342 ± 0 5.728 5.018/6.13 5.652 ± 0.6422
ea25 1342 1342/1342 1342 ± 0.000002168 5.319 4.847/5.714 5.347 ± 0.5698
ea26 1342 1342/1342 1342 ± 0 5.296 4.961/6.038 5.453 ± 0.6481
ea27 1342 1342/1342 1342 ± 0.00002483 5.161 4.849/5.973 5.341 ± 0.5869
ea28 1342 1342/1342 1342 ± 0.00002044 5.295 5.043/5.998 5.488 ± 0.6316
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 ± 0.0000235 4.921 4.745/5.028 4.922 ± 0.1982
3 1342 1342/1342 1342 ± 0.00002432 4.648 4.469/4.85 4.646 ± 0.2403
4 1342 1342/1342 1342 ± 0.00002369 4.705 4.594/4.887 4.728 ± 0.2315
5 1342 1342/1342 1342 ± 0.0000235 4.882 4.711/5.01 4.886 ± 0.229
6 1342 1342/1342 1342 ± 0.0000235 4.898 4.732/5.006 4.876 ± 0.2104
7 1342 1342/1342 1342 ± 0.0000235 4.919 4.814/5.068 4.925 ± 0.1952
8 1342 1342/1342 1342 ± 0.0000235 4.929 4.755/5.064 4.909 ± 0.2227
9 1342 1342/1342 1342 ± 0.0000235 5.219 5.083/5.386 5.176 ± 0.248
10 1342 1342/1342 1342 ± 0.0000235 5.645 5.577/5.73 5.608 ± 0.2449
11 1342 1342/1342 1342 ± 0.0000235 5.888 5.72/5.957 5.813 ± 0.2521
12 1342 1342/1342 1342 ± 0.0000235 5.991 5.816/6.133 5.957 ± 0.2796
13 1342 1342/1342 1342 ± 0.0000235 6.356 6.207/6.538 6.355 ± 0.3051
14 1342 1342/1342 1342 ± 0.0000235 6.563 6.331/6.718 6.507 ± 0.3217
15 1342 1342/1342 1342 ± 0.0000235 6.229 6.008/6.343 6.158 ± 0.3015
16 1342 1342/1342 1342 ± 0.00002916 5.526 5.281/5.755 5.57 ± 0.3194
17 1342 1342/1342 1342 ± 0.00002918 5.533 5.336/5.789 5.58 ± 0.2954
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38536469.eb38590168.59084.87988079861_split_split.ms
overwrite_modelcol
False
Start time
2025-03-12 22:54:44.634
End
2025-03-12 23:22:36.814
Duration
0:27:52.179
Note, WebLog generation is not included in the time.

CASA logs for stage 8