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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.469 5.345/5.868 5.648 ± 0.4601
ea02 1342 1342/1342 1342 ± 0 5.816 5.455/6.344 5.954 ± 0.5462
ea04 1342 1342/1342 1342 ± 0 5.601 5.248/6.185 5.74 ± 0.5033
ea05 1342 1342/1342 1342 ± 0 5.696 5.339/5.987 5.702 ± 0.4449
ea06 1342 1342/1342 1342 ± 0 2.922 2.885/3.162 3.02 ± 0.1888
ea07 1342 1342/1342 1342 ± 0 5.507 5.31/5.647 5.497 ± 0.2111
ea08 1342 1342/1342 1342 ± 0 5.742 5.377/6.253 5.848 ± 0.5238
ea09 1342 1342/1342 1342 ± 0 4.702 4.554/5.085 4.771 ± 0.2747
ea10 1342 1342/1342 1342 ± 0 5.426 5.237/6.16 5.645 ± 0.4755
ea11 1342 1342/1342 1342 ± 0.000001218 5.787 5.518/6.383 5.94 ± 0.5256
ea12 1342 1342/1342 1342 ± 0 5.542 5.198/5.79 5.561 ± 0.3564
ea13 1342 1342/1342 1342 ± 0 6.092 5.774/6.208 6.075 ± 0.4114
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 4.967 4.904/5.176 5.026 ± 0.224
ea17 1342 1342/1342 1342 ± 0.000004867 6.011 5.701/6.413 6.109 ± 0.5179
ea18 1342 1342/1342 1342 ± 0 5.069 4.786/5.35 5.084 ± 0.354
ea19 1342 1342/1342 1342 ± 0 6.019 5.749/6.255 6.025 ± 0.3053
ea21 1342 1342/1342 1342 ± 0 5.759 5.524/6.269 5.925 ± 0.4765
ea22 1342 1342/1342 1342 ± 0 5.247 5.084/5.8 5.404 ± 0.4362
ea23 1342 1342/1342 1342 ± 0 6.086 5.512/6.472 6.063 ± 0.6213
ea25 1342 1342/1342 1342 ± 0 5.418 5.343/5.524 5.409 ± 0.1624
ea26 1342 1342/1342 1342 ± 0 5.515 5.318/5.957 5.608 ± 0.3604
ea27 1342 1342/1342 1342 ± 0.000005162 5.31 5.087/5.955 5.496 ± 0.4522
ea28 1342 1342/1342 1342 ± 0.000001218 5.634 5.438/6.341 5.883 ± 0.5442
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 ± 0.00002603 5.527 5.361/5.663 5.471 ± 0.308
3 1342 1342/1342 1342 ± 0.00003194 5.255 5.021/5.525 5.302 ± 0.314
4 1342 1342/1342 1342 ± 0.00002664 5.297 5.141/5.516 5.301 ± 0.3368
5 1342 1342/1342 1342 ± 0.00002603 5.392 5.224/5.532 5.363 ± 0.3054
6 1342 1342/1342 1342 ± 0.00002603 5.311 5.185/5.403 5.279 ± 0.2676
7 1342 1342/1342 1342 ± 0.00002603 5.343 5.171/5.441 5.286 ± 0.2631
8 1342 1342/1342 1342 ± 0.00002603 5.28 5.016/5.433 5.231 ± 0.3139
9 1342 1342/1342 1342 ± 0.00002603 5.644 5.241/5.725 5.453 ± 0.3864
10 1342 1342/1342 1342 ± 0.00002603 5.762 5.563/6.084 5.639 ± 0.6468
11 1342 1342/1342 1342 ± 0.00002603 5.968 5.751/6.255 5.774 ± 0.7657
12 1342 1342/1342 1342 ± 0.00002603 6.082 5.86/6.315 5.882 ± 0.7853
13 1342 1342/1342 1342 ± 0.00002603 6.439 6.16/6.746 6.221 ± 0.8591
14 1342 1342/1342 1342 ± 0.00002603 6.505 6.29/6.949 6.366 ± 0.8758
15 1342 1342/1342 1342 ± 0.00002603 6.181 5.925/6.548 6.001 ± 0.8639
16 1342 1342/1342 1342 ± 0.00002637 5.529 5.131/5.781 5.389 ± 0.7136
17 1342 1342/1342 1342 ± 0.00002603 5.539 5.197/5.783 5.411 ± 0.7133
output_dir
 
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-03-29 07:18:21.141
End
2024-03-29 08:08:51.061
Duration
0:50:29.920
Note, WebLog generation is not included in the time.

CASA logs for stage 7