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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.146 4.987/5.882 5.448 ± 0.7028
ea02 1342 1342/1342 1342 ± 0.00002383 5.442 5.095/6.621 5.874 ± 0.8889
ea04 1342 1342/1342 1342 ± 0.00003509 5.361 4.876/5.904 5.448 ± 0.6885
ea05 1342 1342/1342 1342 ± 0 5.573 5.08/6.549 5.786 ± 0.8205
ea06 1342 1342/1342 1342 ± 0.00003293 4.583 4.188/5.234 4.718 ± 0.5891
ea07 1342 1342/1342 1342 ± 0.00004389 5.59 5.154/6.167 5.768 ± 0.8063
ea08 1342 1342/1342 1342 ± 0.00004297 5.468 5.299/6.633 5.966 ± 0.9046
ea09 1342 1342/1342 1342 ± 0 5.643 5.104/6.543 5.781 ± 0.7685
ea10 1342 1342/1342 1342 ± 0.00004406 5.377 5.052/6.552 5.758 ± 0.8696
ea11 1342 1342/1342 1342 ± 0.00004773 5.214 4.879/6.392 5.65 ± 0.8882
ea12 1342 1342/1342 1342 ± 0.00003642 5.713 5.062/6.209 5.763 ± 0.8235
ea13 1342 1342/1342 1342 ± 0 5.648 5.283/6.33 5.972 ± 0.7762
ea14 1342 1342/1342 1342 ± 0.00002814 5.197 5.056/6.281 5.633 ± 0.7738
ea15 1342 1342/1342 1342 ± 0.00001743 5.098 4.907/6.182 5.531 ± 0.8229
ea16 1342 1342/1342 1342 ± 0 5.752 5.178/6.791 6.009 ± 0.9574
ea17 1342 1342/1342 1342 ± 0.00004747 5.595 5.126/6.432 5.868 ± 0.8835
ea18 1342 1342/1342 1342 ± 0.00004451 4.652 4.496/5.382 4.923 ± 0.6989
ea19 1342 1342/1342 1342 ± 0 5.801 5.394/6.799 6.103 ± 0.8345
ea20 1342 1342/1342 1342 ± 0.00004094 5.684 5.296/6.703 5.973 ± 0.9004
ea21 1342 1342/1342 1342 ± 0.000007428 5.336 5.173/6.395 5.744 ± 0.7912
ea22 1342 1342/1342 1342 ± 0 5.145 4.844/6.22 5.524 ± 0.7664
ea23 1342 1342/1342 1342 ± 0.00003709 5.284 5.132/6.359 5.856 ± 0.9181
ea25 1342 1342/1342 1342 ± 0.000047 5.104 5.034/6.041 5.54 ± 0.7829
ea26 1342 1342/1342 1342 ± 0 5.618 5.501/6.941 6.15 ± 0.8305
ea27 1342 1342/1342 1342 ± 0.0000458 5.277 5.177/6.399 5.661 ± 0.7496
ea28 1342 1342/1342 1342 ± 0.00004422 5.58 5.134/6.391 5.789 ± 0.809
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 5.249 5.048/5.576 5.267 ± 0.3201
3 1342 1342/1342 1342 ± 0.00004677 4.2 3.831/4.538 4.104 ± 0.5866
5 1342 1342/1342 1342 ± 0.00003662 5.906 5.642/6.062 5.868 ± 0.3223
6 1342 1342/1342 1342 ± 0.0000235 5.11 4.873/5.181 5.025 ± 0.2793
7 1342 1342/1342 1342 ± 0.0000237 5.145 4.998/5.284 5.115 ± 0.2772
8 1342 1342/1342 1342 ± 0.0000235 5.101 4.985/5.23 5.087 ± 0.3072
9 1342 1342/1342 1342 ± 0.00002475 5.184 4.984/5.408 5.162 ± 0.3325
10 1342 1342/1342 1342 ± 0.00002348 5.974 5.85/6.158 5.95 ± 0.3161
11 1342 1342/1342 1342 ± 0.00002348 6.297 6.147/6.403 6.233 ± 0.3388
12 1342 1342/1342 1342 ± 0.00002348 6.53 6.3/6.654 6.45 ± 0.3691
13 1342 1342/1342 1342 ± 0.00002348 6.997 6.858/7.176 6.932 ± 0.4104
14 1342 1342/1342 1342 ± 0.00002348 7.148 6.964/7.403 7.128 ± 0.4519
15 1342 1342/1342 1342 ± 0.00003854 6.125 5.832/6.672 6.211 ± 0.6189
16 1342 1342/1342 1342 ± 0.00006064 4.631 4.496/4.777 4.642 ± 0.2373
17 1342 1342/1342 1342 ± 0.00006103 4.989 4.816/5.176 4.996 ± 0.3177
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-01-08 02:43:14.591
End
2025-01-08 03:13:01.742
Duration
0:29:47.151
Note, WebLog generation is not included in the time.

CASA logs for stage 8