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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.432 5.775/6.762 6.331 ± 0.7122
ea03 1342 1342/1342 1342 ± 0.00003357 5.744 5.296/6.604 5.894 ± 0.7744
ea04 1342 1342/1342 1342 ± 0 5.62 5.211/6.215 5.802 ± 0.648
ea05 1342 1342/1342 1342 ± 0 5.986 5.701/6.946 6.23 ± 0.743
ea06 1342 1342/1342 1342 ± 0 6.406 5.556/6.543 6.137 ± 0.6466
ea07 1342 1342/1342 1342 ± 0 5.916 5.371/6.239 5.949 ± 0.634
ea08 1342 1342/1342 1342 ± 0.00001528 6.175 5.578/6.778 6.285 ± 0.7368
ea09 1342 1342/1342 1342 ± 0 5.968 5.488/6.767 6.172 ± 0.7512
ea10 1342 1342/1342 1342 ± 0 5.997 5.646/6.901 6.188 ± 0.686
ea11 1342 1342/1342 1342 ± 0 6.275 5.39/6.831 6.211 ± 0.8301
ea12 1342 1342/1342 1342 ± 0 6.457 5.656/6.81 6.401 ± 0.7604
ea13 1342 1342/1342 1342 ± 0.000009233 5.967 5.869/6.485 6.17 ± 0.5142
ea14 1342 1342/1342 1342 ± 0 6.059 5.647/6.872 6.303 ± 0.7024
ea15 1342 1342/1342 1342 ± 0 5.45 4.786/5.736 5.313 ± 0.612
ea16 1342 1342/1342 1342 ± 0 6.148 5.727/6.746 6.303 ± 0.7667
ea17 1342 1342/1342 1342 ± 0 6.448 5.961/7.492 6.631 ± 0.7798
ea18 1342 1342/1342 1342 ± 0 5.168 4.761/5.612 5.215 ± 0.5383
ea19 1342 1342/1342 1342 ± 0 6.25 5.906/7.124 6.486 ± 0.7705
ea20 1342 1342/1342 1342 ± 0 5.941 5.686/6.912 6.183 ± 0.7252
ea21 1342 1342/1342 1342 ± 0 5.68 5.442/6.494 5.895 ± 0.6341
ea22 1342 1342/1342 1342 ± 0 6.231 5.36/6.626 6.012 ± 0.7334
ea23 1342 1342/1342 1342 ± 0 6.144 5.729/6.832 6.327 ± 0.7653
ea24 1342 1342/1342 1342 ± 0 6.164 5.21/6.534 5.896 ± 0.629
ea25 1342 1342/1342 1342 ± 0 6.22 5.638/6.733 6.346 ± 0.7647
ea26 1342 1342/1342 1342 ± 0 6.29 5.793/7.046 6.465 ± 0.8033
ea27 1342 1342/1342 1342 ± 0 5.944 5.492/7.033 6.149 ± 0.778
ea28 1342 1342/1342 1342 ± 0 6.12 5.751/6.897 6.317 ± 0.7642
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 ± 0.00002305 5.608 5.422/5.763 5.594 ± 0.3181
3 1342 1342/1342 1342 ± 0.0000235 5.277 5.095/5.377 5.247 ± 0.2889
4 1342 1342/1342 1342 ± 0.00002821 5.256 5.053/5.498 5.243 ± 0.3797
5 1342 1342/1342 1342 ± 0.00002305 5.624 5.355/5.734 5.509 ± 0.3427
6 1342 1342/1342 1342 ± 0.00002305 5.514 5.319/5.726 5.493 ± 0.2912
7 1342 1342/1342 1342 ± 0.00002305 5.613 5.372/5.785 5.546 ± 0.3046
8 1342 1342/1342 1342 ± 0.00002305 5.547 5.306/5.767 5.51 ± 0.338
9 1342 1342/1342 1342 ± 0.00002305 5.949 5.677/6.087 5.837 ± 0.3385
10 1342 1342/1342 1342 ± 0.00002305 6.455 6.18/6.518 6.327 ± 0.3499
11 1342 1342/1342 1342 ± 0.00002305 6.631 6.469/6.817 6.571 ± 0.3674
12 1342 1342/1342 1342 ± 0.00002306 6.815 6.515/6.92 6.724 ± 0.4155
13 1342 1342/1342 1342 ± 0.00002305 7.301 6.923/7.603 7.227 ± 0.4408
14 1342 1342/1342 1342 ± 0.00002305 7.549 7.206/7.769 7.435 ± 0.4317
15 1342 1342/1342 1342 ± 0.00002305 7.099 6.806/7.305 7.019 ± 0.4088
16 1342 1342/1342 1342 ± 0.00002798 6.361 5.957/6.516 6.286 ± 0.3897
17 1342 1342/1342 1342 ± 0.00002472 6.216 5.955/6.521 6.225 ± 0.3891
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-06-13 20:09:13.193
End
2025-06-13 20:42:45.280
Duration
0:33:32.087
Note, WebLog generation is not included in the time.

CASA logs for stage 8