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

Statwt Summary Plot

VLASS2.1.sb38483282.eb38504007.59045.97679461805_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 5.802 5.359/6.259 5.817 ± 0.5648
ea02 1342 1342/1342 1342 ± 0.00001387 5.916 5.476/6.632 6.058 ± 0.6572
ea04 1342 1342/1342 1342 ± 0 5.625 5.237/6.148 5.73 ± 0.5417
ea05 1342 1342/1342 1342 ± 0 6.037 5.531/6.667 6.02 ± 0.6121
ea06 1342 1342/1342 1342 ± 0 5.662 5.13/6.035 5.611 ± 0.5086
ea07 1342 1342/1342 1342 ± 0 5.328 5.21/5.532 5.364 ± 0.1945
ea08 1342 1342/1342 1342 ± 0.00002331 5.993 5.655/6.789 6.227 ± 0.6859
ea09 1342 1342/1342 1342 ± 0 5.167 4.968/5.751 5.33 ± 0.4423
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.000001527 5.777 5.45/6.52 6.006 ± 0.6097
ea13 1342 1342/1342 1342 ± 0 6.155 5.885/6.404 6.262 ± 0.4756
ea14 1342 1342/1342 1342 ± 0 6.177 5.504/6.621 6.112 ± 0.6603
ea15 1342 1342/1342 1342 ± 0 6.028 5.482/6.507 6.087 ± 0.6892
ea16 1342 1342/1342 1342 ± 0 6.23 5.756/6.792 6.314 ± 0.7011
ea17 1342 1342/1342 1342 ± 0.00001319 5.748 5.625/5.912 5.765 ± 0.1742
ea18 1342 1342/1342 1342 ± 0.000005303 5.313 4.905/5.807 5.327 ± 0.5218
ea19 1342 1342/1342 1342 ± 0 5.77 5.696/5.916 5.808 ± 0.1071
ea20 1342 1342/1342 1342 ± 0 6.437 5.837/6.93 6.36 ± 0.6454
ea21 1342 1342/1342 1342 ± 0 5.807 5.524/6.419 5.991 ± 0.5532
ea22 1342 1342/1342 1342 ± 0 5.524 5.267/6.51 5.842 ± 0.6472
ea23 1342 1342/1342 1342 ± 0.00001015 6.09 5.6/6.678 6.179 ± 0.667
ea24 1342 1342/1342 1342 ± 0 5.983 5.17/6.403 5.776 ± 0.6107
ea25 1342 1342/1342 1342 ± 0.000007147 5.611 5.482/6.468 5.958 ± 0.6156
ea26 1342 1342/1342 1342 ± 0 6.238 5.796/7.028 6.334 ± 0.6899
ea27 1342 1342/1342 1342 ± 0.000003777 5.555 5.329/5.632 5.488 ± 0.1691
ea28 1342 1342/1342 1342 ± 0.00004051 5.738 5.533/6.581 6.021 ± 0.6499
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 ± 0.00002396 5.53 5.367/5.668 5.51 ± 0.2396
3 1342 1342/1342 1342 ± 0.00002591 5.361 5.158/5.598 5.384 ± 0.2958
4 1342 1342/1342 1342 ± 0.00002593 5.388 5.177/5.556 5.35 ± 0.322
5 1342 1342/1342 1342 ± 0.00002396 5.533 5.338/5.745 5.518 ± 0.3141
6 1342 1342/1342 1342 ± 0.00002407 5.488 5.23/5.65 5.448 ± 0.2763
7 1342 1342/1342 1342 ± 0.00002396 5.491 5.267/5.69 5.479 ± 0.2706
8 1342 1342/1342 1342 ± 0.00002396 5.521 5.204/5.617 5.424 ± 0.2999
9 1342 1342/1342 1342 ± 0.00002396 5.746 5.555/5.974 5.704 ± 0.3304
10 1342 1342/1342 1342 ± 0.00002604 6.185 5.989/6.29 6.105 ± 0.33
11 1342 1342/1342 1342 ± 0.00002604 6.406 6.288/6.505 6.338 ± 0.3253
12 1342 1342/1342 1342 ± 0.00002604 6.515 6.372/6.679 6.474 ± 0.3349
13 1342 1342/1342 1342 ± 0.00002604 7.032 6.625/7.173 6.918 ± 0.3922
14 1342 1342/1342 1342 ± 0.00002604 7.202 6.957/7.395 7.127 ± 0.4107
15 1342 1342/1342 1342 ± 0.00002604 6.894 6.537/7.073 6.769 ± 0.4426
16 1342 1342/1342 1342 ± 0.00003958 5.943 5.642/6.184 5.925 ± 0.3908
17 1342 1342/1342 1342 ± 0.00003885 5.849 5.743/6.231 5.966 ± 0.3509
statwtmode
VLASS-SE
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-04-13 01:58:29.377
End
2024-04-13 03:09:45.923
Duration
1:11:16.546
Note, WebLog generation is not included in the time.

CASA logs for stage 7