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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.549 5.377/6.397 5.745 ± 0.7561
ea02 1342 1342/1342 1342 ± 0.00004618 6.004 5.515/6.823 6.03 ± 0.9083
ea04 1342 1342/1342 1342 ± 0.0000287 5.589 5.243/6.203 5.663 ± 0.72
ea05 1342 1342/1342 1342 ± 0.00001561 5.541 5.161/6.542 5.815 ± 0.7799
ea06 1342 1342/1342 1342 ± 0.00003911 5.554 4.889/5.826 5.334 ± 0.6689
ea07 1342 1342/1342 1342 ± 0.00004138 5.877 5.475/6.369 5.888 ± 0.8217
ea09 1342 1342/1342 1342 ± 0.00002969 5.455 5.016/5.883 5.418 ± 0.6185
ea10 1342 1342/1342 1342 ± 0.00004255 5.198 4.821/6.039 5.335 ± 0.7096
ea11 1342 1342/1342 1342 ± 0.00004246 6.011 5.603/6.728 6.034 ± 0.8906
ea12 1342 1342/1342 1342 ± 0.00004234 5.825 5.503/6.683 5.983 ± 0.8979
ea13 1342 1342/1342 1342 ± 0.00001876 6.135 5.679/6.389 6.049 ± 0.7076
ea14 1342 1342/1342 1342 ± 0.00003768 5.863 5.468/6.722 5.961 ± 0.9229
ea15 1342 1342/1342 1342 ± 0.00003031 5.764 5.502/6.601 5.901 ± 0.8975
ea16 1342 1342/1342 1342 ± 0.00002667 5.863 5.431/6.855 6.028 ± 0.9567
ea17 1342 1342/1342 1342 ± 0.00004249 6.014 5.52/7.082 6.109 ± 0.9489
ea18 1342 1342/1342 1342 ± 0.00004162 5.107 5.021/5.955 5.334 ± 0.6389
ea19 1342 1342/1342 1342 ± 0.00001318 5.706 5.549/6.721 6.026 ± 0.8384
ea20 1342 1342/1342 1342 ± 0.00004267 6.108 6.015/7.127 6.387 ± 1
ea21 1342 1342/1342 1342 ± 0.00003043 5.595 5.287/6.391 5.739 ± 0.7835
ea22 1342 1342/1342 1342 ± 0.00004247 6.233 5.023/6.58 5.905 ± 0.8749
ea23 1342 1342/1342 1342 ± 0.00004286 5.916 5.555/6.831 6.049 ± 0.9726
ea24 1342 1342/1342 1342 ± 0.00001908 5.209 4.869/6.268 5.478 ± 0.7028
ea25 1342 1342/1342 1342 ± 0.00004266 5.775 5.356/6.527 5.808 ± 0.8267
ea26 1342 1342/1342 1342 ± 0.00002893 5.874 5.636/6.983 6.145 ± 0.8762
ea27 1342 1342/1342 1342 ± 0.00004084 5.79 5.46/6.723 5.929 ± 0.8392
ea28 1342 1342/1342 1342 ± 0.00004155 5.776 5.602/6.797 6.04 ± 0.8993
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 5.463 5.291/5.636 5.411 ± 0.3192
3 1342 1342/1342 1342 ± 0.00003308 5.701 5.381/5.96 5.7 ± 0.4473
5 1342 1342/1342 1342 ± 0.00002545 5.612 5.395/5.748 5.577 ± 0.2973
6 1342 1342/1342 1342 ± 0.00002378 5.507 5.222/5.589 5.405 ± 0.2888
7 1342 1342/1342 1342 ± 0.00002408 5.52 5.346/5.669 5.474 ± 0.2815
8 1342 1342/1342 1342 ± 0.00002408 5.468 5.23/5.553 5.43 ± 0.3088
9 1342 1342/1342 1342 ± 0.00002662 5.751 5.409/5.892 5.652 ± 0.3089
10 1342 1342/1342 1342 ± 0.00002348 6.234 5.949/6.34 6.165 ± 0.3036
11 1342 1342/1342 1342 ± 0.00002348 6.436 6.199/6.649 6.415 ± 0.3193
12 1342 1342/1342 1342 ± 0.00002348 6.571 6.364/6.824 6.576 ± 0.3654
13 1342 1342/1342 1342 ± 0.00002348 6.972 6.709/7.281 6.931 ± 0.4218
14 1342 1342/1342 1342 ± 0.00002348 7.231 6.871/7.359 7.069 ± 0.4388
15 1342 1342/1342 1342 ± 0.00002362 6.651 6.362/6.903 6.593 ± 0.4086
16 1342 1342/1342 1342 ± 0.00005412 4.454 4.332/4.582 4.453 ± 0.1788
17 1342 1342/1342 1342 ± 0.00005868 4.394 4.248/4.631 4.438 ± 0.2471
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-20 20:01:38.311
End
2024-04-20 21:00:27.256
Duration
0:58:48.945
Note, WebLog generation is not included in the time.

CASA logs for stage 7