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 5.355 5.132/6.071 5.463 ± 0.6949
ea02 1342 1342/1342 1342 ± 0.00004572 5.798 5.31/6.499 5.757 ± 0.8512
ea04 1342 1342/1342 1342 ± 0.00002283 5.375 5.169/6.126 5.552 ± 0.7051
ea05 1342 1342/1342 1342 ± 0.00001266 5.324 5.087/6.403 5.692 ± 0.7326
ea06 1342 1342/1342 1342 ± 0.00003404 5.267 4.681/5.713 5.166 ± 0.654
ea07 1342 1342/1342 1342 ± 0.00004066 5.62 5.287/6.142 5.638 ± 0.7667
ea09 1342 1342/1342 1342 ± 0.00002511 5.223 4.897/5.715 5.245 ± 0.5886
ea10 1342 1342/1342 1342 ± 0.00004358 5.021 4.723/5.796 5.145 ± 0.6903
ea11 1342 1342/1342 1342 ± 0.00004288 5.752 5.343/6.477 5.758 ± 0.8069
ea12 1342 1342/1342 1342 ± 0.00003997 5.465 5.316/6.497 5.785 ± 0.8424
ea13 1342 1342/1342 1342 ± 0.00001544 5.843 5.472/6.287 5.895 ± 0.6675
ea14 1342 1342/1342 1342 ± 0.00003593 5.32 5.169/6.46 5.738 ± 0.8307
ea15 1342 1342/1342 1342 ± 0.00002428 5.638 5.407/6.435 5.77 ± 0.8456
ea16 1342 1342/1342 1342 ± 0.00001975 5.429 5.207/6.624 5.806 ± 0.8942
ea17 1342 1342/1342 1342 ± 0.00004298 5.806 5.304/6.632 5.858 ± 0.8929
ea18 1342 1342/1342 1342 ± 0.00004271 4.923 4.707/5.558 5.104 ± 0.5782
ea19 1342 1342/1342 1342 ± 0.0000159 5.556 5.374/6.454 5.818 ± 0.7591
ea20 1342 1342/1342 1342 ± 0.00004369 5.885 5.716/6.885 6.102 ± 0.9216
ea21 1342 1342/1342 1342 ± 0.0000245 5.319 4.969/6.092 5.456 ± 0.696
ea22 1342 1342/1342 1342 ± 0.00004068 6.093 4.772/6.352 5.653 ± 0.8729
ea23 1342 1342/1342 1342 ± 0.00004219 5.682 5.252/6.564 5.793 ± 0.8755
ea24 1342 1342/1342 1342 ± 0.00001743 5.007 4.781/6.131 5.368 ± 0.6872
ea25 1342 1342/1342 1342 ± 0.0000431 5.575 5.06/6.196 5.587 ± 0.7846
ea26 1342 1342/1342 1342 ± 0.00002546 5.637 5.435/6.727 5.934 ± 0.811
ea27 1342 1342/1342 1342 ± 0.00004209 5.543 5.226/6.448 5.664 ± 0.7865
ea28 1342 1342/1342 1342 ± 0.0000422 5.504 5.407/6.535 5.75 ± 0.8636
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 ± 0.00002349 5.221 5.026/5.382 5.167 ± 0.2897
3 1342 1342/1342 1342 ± 0.00003381 5.198 4.921/5.454 5.2 ± 0.3571
5 1342 1342/1342 1342 ± 0.00002551 5.286 5.032/5.416 5.289 ± 0.3191
6 1342 1342/1342 1342 ± 0.0000238 5.319 5.02/5.411 5.236 ± 0.2804
7 1342 1342/1342 1342 ± 0.00002413 5.357 5.201/5.478 5.317 ± 0.2773
8 1342 1342/1342 1342 ± 0.00002413 5.318 5.135/5.419 5.283 ± 0.2989
9 1342 1342/1342 1342 ± 0.00002682 5.508 5.234/5.633 5.43 ± 0.2982
10 1342 1342/1342 1342 ± 0.00002349 6.078 5.847/6.158 6.009 ± 0.2758
11 1342 1342/1342 1342 ± 0.00002349 6.255 6.044/6.467 6.232 ± 0.297
12 1342 1342/1342 1342 ± 0.00002349 6.413 6.136/6.564 6.356 ± 0.34
13 1342 1342/1342 1342 ± 0.00002349 6.716 6.366/6.954 6.642 ± 0.3871
14 1342 1342/1342 1342 ± 0.00002349 6.883 6.479/7.034 6.76 ± 0.3936
15 1342 1342/1342 1342 ± 0.00002354 6.311 6.076/6.538 6.257 ± 0.3713
16 1342 1342/1342 1342 ± 0.00005618 4.368 4.202/4.52 4.354 ± 0.2204
17 1342 1342/1342 1342 ± 0.00006038 4.324 4.165/4.576 4.366 ± 0.2657
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-01-14 08:43:54.144
End
2025-01-14 09:15:49.284
Duration
0:31:55.140
Note, WebLog generation is not included in the time.

CASA logs for stage 8