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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.827 5.71/6.663 6.141 ± 0.5571
ea02 1342 1342/1342 1342 ± 0 6.079 5.827/6.468 6.278 ± 0.5772
ea03 1342 1342/1342 1342 ± 0 6.219 5.577/6.874 6.261 ± 0.6813
ea04 1342 1342/1342 1342 ± 0.000002258 5.623 5.287/6.188 5.729 ± 0.4971
ea05 1342 1342/1342 1342 ± 0.000006698 5.76 5.524/6.618 6.011 ± 0.5778
ea06 1342 1342/1342 1342 ± 0.000007363 5.79 5.302/6.24 5.875 ± 0.6061
ea07 1342 1342/1342 1342 ± 0 6.077 5.465/6.419 6.123 ± 0.6734
ea08 1342 1342/1342 1342 ± 0 6.31 5.883/6.867 6.448 ± 0.6238
ea09 1342 1342/1342 1342 ± 0 5.695 5.211/6.381 5.785 ± 0.5757
ea10 1342 1342/1342 1342 ± 0 5.595 5.417/6.358 5.823 ± 0.5662
ea11 1342 1342/1342 1342 ± 0.00003151 5.76 5.176/6.506 5.857 ± 0.6672
ea12 1342 1342/1342 1342 ± 0.000006639 5.603 5.453/6.405 5.867 ± 0.529
ea14 1342 1342/1342 1342 ± 0.000001304 6.002 5.704/6.646 6.164 ± 0.5196
ea15 1342 1342/1342 1342 ± 0.00002248 5.883 5.678/6.725 6.213 ± 0.6558
ea16 1342 1342/1342 1342 ± 0 6.08 5.863/6.739 6.29 ± 0.6558
ea17 1342 1342/1342 1342 ± 0 6.121 5.86/7.118 6.35 ± 0.6559
ea18 1342 1342/1342 1342 ± 0 6.584 6.025/7.241 6.638 ± 0.654
ea19 1342 1342/1342 1342 ± 0.00002248 5.924 5.733/6.821 6.198 ± 0.5504
ea20 1342 1342/1342 1342 ± 0 6.298 5.948/7.044 6.479 ± 0.6103
ea21 1342 1342/1342 1342 ± 0 5.502 5.241/6.029 5.671 ± 0.509
ea22 1342 1342/1342 1342 ± 0 5.818 5.514/6.42 5.93 ± 0.5432
ea23 1342 1342/1342 1342 ± 0.000002607 5.834 5.557/6.5 6.077 ± 0.624
ea24 1342 1342/1342 1342 ± 0 6.169 5.297/6.633 5.999 ± 0.676
ea25 1342 1342/1342 1342 ± 0.000002607 6.572 5.797/7.033 6.586 ± 0.7913
ea27 1342 1342/1342 1342 ± 0.000006245 5.668 5.521/6.559 5.973 ± 0.5938
ea28 1342 1342/1342 1342 ± 0 6.408 5.832/7.028 6.432 ± 0.6631
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 5.579 5.449/5.754 5.614 ± 0.2608
5 1342 1342/1342 1342 ± 0.00002348 5.513 5.226/5.65 5.489 ± 0.2891
6 1342 1342/1342 1342 ± 0.00002348 5.549 5.309/5.726 5.52 ± 0.2653
7 1342 1342/1342 1342 ± 0.00002348 5.581 5.388/5.749 5.572 ± 0.2381
8 1342 1342/1342 1342 ± 0.00002348 5.563 5.189/5.653 5.491 ± 0.279
9 1342 1342/1342 1342 ± 0.00002348 5.801 5.611/5.953 5.786 ± 0.286
10 1342 1342/1342 1342 ± 0.00002348 6.25 6.107/6.346 6.235 ± 0.256
11 1342 1342/1342 1342 ± 0.00002348 6.484 6.199/6.641 6.466 ± 0.2737
12 1342 1342/1342 1342 ± 0.00002348 6.641 6.415/6.825 6.639 ± 0.3064
13 1342 1342/1342 1342 ± 0.00002348 7.131 6.839/7.354 7.108 ± 0.3339
14 1342 1342/1342 1342 ± 0.00002348 6.964 6.722/7.423 7.077 ± 0.4249
15 1342 1342/1342 1342 ± 0.00002348 6.946 6.642/7.21 6.91 ± 0.3417
16 1342 1342/1342 1342 ± 0.00003125 5.817 5.625/6.226 5.94 ± 0.4053
17 1342 1342/1342 1342 ± 0.00003499 5.805 5.63/6.189 5.875 ± 0.3797
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-30 22:32:30.010
End
2025-07-30 23:23:05.457
Duration
0:50:35.447
Note, WebLog generation is not included in the time.

CASA logs for stage 8