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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 3.602 3.447/4.035 3.621 ± 0.5015
ea02 1342 1342/1342 1342 ± 0.00004137 4.345 4.004/4.795 4.229 ± 0.7165
ea04 1342 1342/1342 1342 ± 0.00002796 3.458 3.005/4.292 3.577 ± 0.769
ea05 1342 1342/1342 1342 ± 0.00001159 4.158 3.92/4.909 4.322 ± 0.5989
ea06 1342 1342/1342 1342 ± 0.00003462 3.442 3.018/4.005 3.437 ± 0.6104
ea07 1342 1342/1342 1342 ± 0.00004334 4.124 3.939/4.586 4.088 ± 0.6403
ea08 1342 1342/1342 1342 ± 0.00004328 4.258 4.134/4.924 4.338 ± 0.7467
ea09 1342 1342/1342 1342 ± 0.000006661 3.865 3.718/4.507 4.007 ± 0.5739
ea10 1342 1342/1342 1342 ± 0.00004435 4.036 3.796/4.673 4.075 ± 0.6565
ea11 1342 1342/1342 1342 ± 0.00004273 4.236 3.781/4.855 4.18 ± 0.7169
ea12 1342 1342/1342 1342 ± 0.00003956 3.867 3.407/4.693 3.921 ± 0.7636
ea13 1342 1342/1342 1342 ± 0.00001408 3.944 3.646/4.621 4.127 ± 0.6129
ea14 1342 1342/1342 1342 ± 0.00001701 4.161 3.9/4.768 4.131 ± 0.6422
ea15 1342 1342/1342 1342 ± 0.00002157 3.31 2.971/4.168 3.506 ± 0.6524
ea16 1342 1342/1342 1342 ± 0.00002398 4.072 3.753/4.389 3.974 ± 0.5784
ea17 1342 1342/1342 1342 ± 0.0000452 4.429 3.996/5.019 4.33 ± 0.7408
ea18 1342 1342/1342 1342 ± 0.00004331 3.809 3.342/4.402 3.731 ± 0.7027
ea19 1342 1342/1342 1342 ± 0.000003465 4.137 3.903/4.831 4.231 ± 0.5258
ea20 1342 1342/1342 1342 ± 0.00004226 4.277 3.699/4.991 4.214 ± 0.7768
ea21 1342 1342/1342 1342 ± 0.00001919 4.156 3.964/4.622 4.163 ± 0.547
ea22 1342 1342/1342 1342 ± 0.0000279 4.096 3.782/4.63 4.095 ± 0.6272
ea23 1342 1342/1342 1342 ± 0.00004048 4.142 3.868/4.77 4.13 ± 0.7047
ea25 1342 1342/1342 1342 ± 0.00004346 4.039 3.753/4.622 4.026 ± 0.6448
ea27 1342 1342/1342 1342 ± 0.00004507 4.079 3.748/4.787 4.165 ± 0.7062
ea28 1342 1342/1342 1342 ± 0.00004473 4.193 4.049/4.887 4.205 ± 0.7337
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 ± 0.00002472 3.76 3.48/3.919 3.693 ± 0.2829
5 1342 1342/1342 1342 ± 0.00002468 3.768 3.649/3.971 3.643 ± 0.4767
6 1342 1342/1342 1342 ± 0.00002394 3.877 3.627/3.988 3.749 ± 0.3475
7 1342 1342/1342 1342 ± 0.00002394 3.921 3.686/4.002 3.812 ± 0.3271
8 1342 1342/1342 1342 ± 0.00002394 4.005 3.748/4.123 3.895 ± 0.3243
9 1342 1342/1342 1342 ± 0.00002394 4.269 3.879/4.344 4.116 ± 0.3408
10 1342 1342/1342 1342 ± 0.00002394 4.561 4.306/4.653 4.439 ± 0.2958
11 1342 1342/1342 1342 ± 0.00002394 4.679 4.499/4.863 4.619 ± 0.3104
12 1342 1342/1342 1342 ± 0.00002394 4.74 4.618/4.928 4.714 ± 0.2994
13 1342 1342/1342 1342 ± 0.00002418 4.759 4.593/4.917 4.728 ± 0.2661
14 1342 1342/1342 1342 ± 0.00003556 4.458 4.27/4.766 4.501 ± 0.3309
15 1342 1342/1342 1342 ± 0.00002394 4.879 4.651/5.049 4.843 ± 0.3016
16 1342 1342/1342 1342 ± 0.00005653 2.697 2.542/2.925 2.756 ± 0.3278
17 1342 1342/1342 1342 ± 0.00006006 2.883 2.741/3.043 2.935 ± 0.2874
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
output_dir
 
Start time
2025-04-06 14:00:55.670
End
2025-04-06 14:43:05.482
Duration
0:42:09.812
Note, WebLog generation is not included in the time.

CASA logs for stage 8