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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.396 5.294/6.267 5.652 ± 0.7896
ea02 1342 1342/1342 1342 ± 0.00003825 6.055 5.423/6.769 6.011 ± 0.989
ea04 1342 1342/1342 1342 ± 0.00004274 5.447 5.116/6.171 5.49 ± 0.8353
ea05 1342 1342/1342 1342 ± 0.00002756 5.456 5.1/6.506 5.664 ± 0.9593
ea06 1342 1342/1342 1342 ± 0.00004277 5.097 4.857/5.841 5.153 ± 0.7854
ea07 1342 1342/1342 1342 ± 0.00003868 5.862 5.351/6.272 5.8 ± 0.8468
ea09 1342 1342/1342 1342 ± 0.00003155 5.506 5.09/6.193 5.422 ± 0.842
ea10 1342 1342/1342 1342 ± 0.00003793 5.26 4.797/5.944 5.297 ± 0.7245
ea11 1342 1342/1342 1342 ± 0.00003981 6.035 5.457/6.668 5.94 ± 0.8951
ea12 1342 1342/1342 1342 ± 0.00004229 5.824 5.527/6.719 5.902 ± 1.012
ea13 1342 1342/1342 1342 ± 0.00002033 5.732 5.589/6.331 5.881 ± 0.9118
ea14 1342 1342/1342 1342 ± 0.00003821 5.7 5.399/6.687 5.931 ± 0.9719
ea15 1342 1342/1342 1342 ± 0.00004244 5.725 5.4/6.563 5.819 ± 1.003
ea16 1342 1342/1342 1342 ± 0.0000354 5.935 5.492/6.865 6.043 ± 1.131
ea17 1342 1342/1342 1342 ± 0.00003968 6.008 5.485/6.89 6.067 ± 0.9578
ea18 1342 1342/1342 1342 ± 0.00004005 5.094 4.882/5.797 5.19 ± 0.6568
ea19 1342 1342/1342 1342 ± 0.00001737 5.747 5.513/6.87 5.969 ± 1.024
ea20 1342 1342/1342 1342 ± 0.00004116 6.088 5.992/7.063 6.235 ± 1.039
ea21 1342 1342/1342 1342 ± 0.00003494 5.601 5.269/6.393 5.726 ± 0.9444
ea22 1342 1342/1342 1342 ± 0.00004156 5.496 5.172/6.555 5.697 ± 1.014
ea23 1342 1342/1342 1342 ± 0.00003814 5.953 5.513/6.706 6.012 ± 0.9841
ea24 1342 1342/1342 1342 ± 0.00002155 5.273 4.809/6.25 5.423 ± 0.8611
ea25 1342 1342/1342 1342 ± 0.00003871 5.724 5.307/6.474 5.756 ± 0.8323
ea26 1342 1342/1342 1342 ± 0.00003279 5.86 5.656/6.842 6.013 ± 1.052
ea27 1342 1342/1342 1342 ± 0.00003952 5.702 5.355/6.604 5.817 ± 0.8419
ea28 1342 1342/1342 1342 ± 0.00004002 5.775 5.528/6.745 6.002 ± 0.912
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 ± 0.0000238 5.44 5.266/5.639 5.401 ± 0.3166
5 1342 1342/1342 1342 ± 0.00002353 5.421 5.135/5.574 5.364 ± 0.3497
6 1342 1342/1342 1342 ± 0.00002366 5.376 5.109/5.526 5.338 ± 0.2644
7 1342 1342/1342 1342 ± 0.00002366 5.41 5.212/5.542 5.376 ± 0.2765
8 1342 1342/1342 1342 ± 0.00002366 5.4 5.112/5.525 5.357 ± 0.3181
9 1342 1342/1342 1342 ± 0.00002366 5.716 5.391/5.864 5.641 ± 0.3062
10 1342 1342/1342 1342 ± 0.00002366 6.16 5.903/6.255 6.074 ± 0.2908
11 1342 1342/1342 1342 ± 0.00002366 6.467 6.101/6.573 6.35 ± 0.299
12 1342 1342/1342 1342 ± 0.00002366 6.55 6.27/6.744 6.54 ± 0.3339
13 1342 1342/1342 1342 ± 0.00002393 6.788 6.488/7.058 6.719 ± 0.4214
14 1342 1342/1342 1342 ± 0.00002366 7.088 6.677/7.316 6.992 ± 0.48
15 1342 1342/1342 1342 ± 0.00003673 6.796 6.554/7.062 6.729 ± 0.4965
16 1342 1342/1342 1342 ± 0.00005225 3.907 3.784/4.036 3.907 ± 0.2072
17 1342 1342/1342 1342 ± 0.00004885 3.969 3.785/4.161 3.986 ± 0.3033
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-02-08 14:02:23.137
End
2025-02-08 15:07:34.913
Duration
1:05:11.776
Note, WebLog generation is not included in the time.

CASA logs for stage 8