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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.483 5.962/6.865 6.487 ± 0.5889
ea03 1342 1342/1342 1342 ± 0 5.699 5.227/6.75 5.917 ± 0.7368
ea04 1342 1342/1342 1342 ± 0 6.276 5.76/6.785 6.343 ± 0.686
ea05 1342 1342/1342 1342 ± 0 6.205 5.89/7.086 6.401 ± 0.7317
ea06 1342 1342/1342 1342 ± 0 6.449 5.878/6.846 6.384 ± 0.6136
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.069 5.685/6.781 6.227 ± 0.6197
ea09 1342 1342/1342 1342 ± 0 6.19 5.578/6.964 6.289 ± 0.7061
ea10 1342 1342/1342 1342 ± 0 7.137 6.818/7.365 7.058 ± 0.4347
ea11 1342 1342/1342 1342 ± 0 6.298 5.618/6.866 6.339 ± 0.7288
ea12 1342 1342/1342 1342 ± 0 6.606 5.899/7.045 6.605 ± 0.717
ea13 1342 1342/1342 1342 ± 0 5.875 5.449/6.208 5.928 ± 0.4233
ea14 1342 1342/1342 1342 ± 0 6.674 5.891/7.003 6.581 ± 0.7011
ea15 1342 1342/1342 1342 ± 0 6.057 5.469/6.62 6.086 ± 0.6713
ea16 1342 1342/1342 1342 ± 0 6.579 5.972/7.08 6.615 ± 0.7382
ea17 1342 1342/1342 1342 ± 0 6.884 6.442/7.917 7.099 ± 0.7486
ea18 1342 1342/1342 1342 ± 0 5.257 4.851/5.659 5.293 ± 0.5449
ea19 1342 1342/1342 1342 ± 0 6.782 6.056/7.331 6.695 ± 0.7139
ea20 1342 1342/1342 1342 ± 0 5.958 5.688/6.77 6.129 ± 0.6185
ea21 1342 1342/1342 1342 ± 0 5.506 5.294/6.088 5.703 ± 0.4863
ea22 1342 1342/1342 1342 ± 0 6.327 5.563/6.673 6.189 ± 0.621
ea23 1342 1342/1342 1342 ± 0 6.308 5.94/6.972 6.522 ± 0.6958
ea24 1342 1342/1342 1342 ± 0 6.119 5.44/6.629 6.027 ± 0.5869
ea25 1342 1342/1342 1342 ± 0 6.884 6.032/7.229 6.773 ± 0.8108
ea26 1342 1342/1342 1342 ± 0 6.743 6.127/7.491 6.8 ± 0.7119
ea27 1342 1342/1342 1342 ± 0 6.079 5.815/7.099 6.383 ± 0.6716
ea28 1342 1342/1342 1342 ± 0 6.281 5.951/7.178 6.552 ± 0.6824
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 ± 0.00002393 5.849 5.638/6.116 5.804 ± 0.3315
4 1342 1342/1342 1342 ± 0.00002393 5.46 5.23/5.716 5.483 ± 0.4389
5 1342 1342/1342 1342 ± 0.00002393 5.875 5.524/6.016 5.759 ± 0.3663
6 1342 1342/1342 1342 ± 0.00002393 5.748 5.465/5.893 5.673 ± 0.3117
7 1342 1342/1342 1342 ± 0.00002393 5.825 5.586/5.951 5.757 ± 0.3166
8 1342 1342/1342 1342 ± 0.00002393 5.686 5.455/5.973 5.707 ± 0.3713
9 1342 1342/1342 1342 ± 0.00002393 6.03 5.801/6.283 6.009 ± 0.3696
10 1342 1342/1342 1342 ± 0.00002348 6.624 6.276/6.734 6.487 ± 0.3584
11 1342 1342/1342 1342 ± 0.00002348 6.806 6.572/7.013 6.739 ± 0.3717
12 1342 1342/1342 1342 ± 0.00002348 6.889 6.676/7.105 6.872 ± 0.4425
13 1342 1342/1342 1342 ± 0.00002348 7.408 7.108/7.763 7.352 ± 0.4988
14 1342 1342/1342 1342 ± 0.00002348 7.576 7.306/7.91 7.535 ± 0.5072
15 1342 1342/1342 1342 ± 0.00002348 7.114 6.888/7.512 7.147 ± 0.4637
16 1342 1342/1342 1342 ± 0.00002348 6.397 6.078/6.839 6.417 ± 0.5032
17 1342 1342/1342 1342 ± 0.00002348 6.34 6.08/6.729 6.339 ± 0.4878
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-06-12 08:21:14.807
End
2025-06-12 09:37:24.063
Duration
1:16:09.256
Note, WebLog generation is not included in the time.

CASA logs for stage 8