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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 6.154 5.783/6.736 6.313 ± 0.5919
ea02 1342 1342/1342 1342 ± 0.00002861 6.344 5.983/7.081 6.547 ± 0.6651
ea04 1342 1342/1342 1342 ± 0.000002385 5.714 5.234/6.199 5.799 ± 0.5932
ea05 1342 1342/1342 1342 ± 0.000005328 5.941 5.395/6.516 5.955 ± 0.6515
ea06 1342 1342/1342 1342 ± 0.00001474 5.355 4.833/5.551 5.288 ± 0.4221
ea07 1342 1342/1342 1342 ± 0.0000425 6.055 5.734/6.621 6.35 ± 0.6791
ea08 1342 1342/1342 1342 ± 0.00002966 6.539 5.964/7.434 6.789 ± 0.813
ea09 1342 1342/1342 1342 ± 0 6.107 5.615/6.777 6.234 ± 0.6488
ea10 1342 1342/1342 1342 ± 0.00004594 6.201 5.747/7.242 6.499 ± 0.7597
ea11 1342 1342/1342 1342 ± 0.00004378 6.198 5.613/6.984 6.41 ± 0.8065
ea12 1342 1342/1342 1342 ± 0.00001436 5.838 5.449/6.59 6.089 ± 0.6936
ea13 1342 1342/1342 1342 ± 0 6.52 6.172/7.064 6.532 ± 0.5407
ea14 1342 1342/1342 1342 ± 0.00003483 5.943 5.505/6.656 6.15 ± 0.6889
ea15 1342 1342/1342 1342 ± 0.000001712 6.057 5.278/6.517 6.1 ± 0.7587
ea16 1342 1342/1342 1342 ± 0.000009193 6.181 5.717/6.949 6.389 ± 0.8281
ea17 1342 1342/1342 1342 ± 0.00004515 6.268 6.136/7.166 6.708 ± 0.7717
ea18 1342 1342/1342 1342 ± 0.00003792 5.45 5.158/5.974 5.594 ± 0.4925
ea19 1342 1342/1342 1342 ± 0.00002051 6.255 5.681/6.808 6.294 ± 0.6728
ea20 1342 1342/1342 1342 ± 0.00002232 6.083 5.852/7.061 6.443 ± 0.7106
ea21 1342 1342/1342 1342 ± 0.00002448 5.771 5.434/6.457 6.023 ± 0.6254
ea22 1342 1342/1342 1342 ± 0 6.282 5.38/6.546 6.112 ± 0.6928
ea23 1342 1342/1342 1342 ± 0.00003856 6.002 5.71/6.858 6.376 ± 0.7715
ea25 1342 1342/1342 1342 ± 0.00004407 6.057 5.812/6.792 6.352 ± 0.7084
ea26 1342 1342/1342 1342 ± 0.000001226 6.511 5.865/7.17 6.594 ± 0.6829
ea27 1342 1342/1342 1342 ± 0.00004378 5.98 5.879/7.018 6.369 ± 0.688
ea28 1342 1342/1342 1342 ± 0.0000438 6.257 6.019/7.11 6.607 ± 0.7248
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 5.745 5.393/5.907 5.671 ± 0.3274
5 1342 1342/1342 1342 ± 0.00003701 5.53 5.402/5.716 5.574 ± 0.2634
6 1342 1342/1342 1342 ± 0.00002458 5.587 5.422/5.895 5.616 ± 0.2996
7 1342 1342/1342 1342 ± 0.0000241 5.636 5.418/5.861 5.615 ± 0.2988
8 1342 1342/1342 1342 ± 0.0000241 5.586 5.34/5.837 5.569 ± 0.3122
9 1342 1342/1342 1342 ± 0.00002737 5.948 5.47/6.065 5.796 ± 0.3781
10 1342 1342/1342 1342 ± 0.0000235 6.453 6.117/6.68 6.374 ± 0.4046
11 1342 1342/1342 1342 ± 0.0000235 6.597 6.5/6.883 6.61 ± 0.4258
12 1342 1342/1342 1342 ± 0.00002394 6.806 6.509/7.089 6.776 ± 0.4438
13 1342 1342/1342 1342 ± 0.0000235 7.338 7.078/7.551 7.279 ± 0.4478
14 1342 1342/1342 1342 ± 0.0000235 7.532 7.343/7.818 7.488 ± 0.4864
15 1342 1342/1342 1342 ± 0.00002584 6.939 6.725/7.148 6.863 ± 0.4393
16 1342 1342/1342 1342 ± 0.00006084 5.767 5.554/5.964 5.742 ± 0.3222
17 1342 1342/1342 1342 ± 0.00005971 5.985 5.81/6.265 5.996 ± 0.3736
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-01-07 07:43:16.526
End
2025-01-07 08:50:44.334
Duration
1:07:27.808
Note, WebLog generation is not included in the time.

CASA logs for stage 8