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 5.306/6.197 5.764 ± 0.5556
ea02 1342 1342/1342 1342 ± 0.000008869 5.851 5.479/6.636 6.034 ± 0.655
ea04 1342 1342/1342 1342 ± 0 5.588 5.202/6.139 5.701 ± 0.5282
ea05 1342 1342/1342 1342 ± 0 5.952 5.464/6.58 5.949 ± 0.6121
ea06 1342 1342/1342 1342 ± 0 5.601 5.094/6.003 5.592 ± 0.5157
ea07 1342 1342/1342 1342 ± 0 5.343 5.211/5.509 5.323 ± 0.1974
ea08 1342 1342/1342 1342 ± 0.00002296 5.954 5.66/6.74 6.193 ± 0.6732
ea09 1342 1342/1342 1342 ± 0 5.257 4.988/5.87 5.401 ± 0.4529
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0 5.825 5.375/6.467 5.987 ± 0.6126
ea13 1342 1342/1342 1342 ± 0 6.198 5.895/6.398 6.261 ± 0.4605
ea14 1342 1342/1342 1342 ± 0 6.123 5.414/6.528 6.048 ± 0.6675
ea15 1342 1342/1342 1342 ± 0 5.957 5.406/6.413 6.003 ± 0.6634
ea16 1342 1342/1342 1342 ± 0 6.188 5.611/6.691 6.23 ± 0.7056
ea17 1342 1342/1342 1342 ± 0.000004028 5.734 5.603/5.829 5.713 ± 0.1611
ea18 1342 1342/1342 1342 ± 0 5.29 4.907/5.812 5.335 ± 0.5198
ea19 1342 1342/1342 1342 ± 0 5.662 5.648/5.832 5.728 ± 0.09261
ea20 1342 1342/1342 1342 ± 0 6.33 5.839/6.898 6.361 ± 0.6384
ea21 1342 1342/1342 1342 ± 0 5.801 5.44/6.372 5.937 ± 0.557
ea22 1342 1342/1342 1342 ± 0 5.562 5.288/6.522 5.871 ± 0.6345
ea23 1342 1342/1342 1342 ± 0.00001649 6.092 5.498/6.583 6.097 ± 0.6729
ea24 1342 1342/1342 1342 ± 0 5.996 5.187/6.413 5.789 ± 0.6158
ea25 1342 1342/1342 1342 ± 0.000002156 5.6 5.424/6.358 5.87 ± 0.5872
ea26 1342 1342/1342 1342 ± 0 6.281 5.849/7.044 6.37 ± 0.66
ea27 1342 1342/1342 1342 ± 0 5.322 5.249/5.577 5.426 ± 0.1879
ea28 1342 1342/1342 1342 ± 0.00003819 5.752 5.485/6.563 5.997 ± 0.653
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 5.5 5.313/5.65 5.493 ± 0.2462
3 1342 1342/1342 1342 ± 0.00002409 5.273 5.126/5.447 5.3 ± 0.2785
4 1342 1342/1342 1342 ± 0.00002418 5.319 5.161/5.485 5.318 ± 0.2862
5 1342 1342/1342 1342 ± 0.00002396 5.474 5.288/5.674 5.475 ± 0.2987
6 1342 1342/1342 1342 ± 0.00002396 5.447 5.155/5.602 5.387 ± 0.2789
7 1342 1342/1342 1342 ± 0.00002396 5.411 5.262/5.652 5.438 ± 0.2676
8 1342 1342/1342 1342 ± 0.00002396 5.437 5.167/5.553 5.381 ± 0.2887
9 1342 1342/1342 1342 ± 0.00002407 5.678 5.531/5.953 5.668 ± 0.311
10 1342 1342/1342 1342 ± 0.00002605 6.124 5.946/6.298 6.071 ± 0.3264
11 1342 1342/1342 1342 ± 0.00002605 6.362 6.249/6.465 6.299 ± 0.313
12 1342 1342/1342 1342 ± 0.00002605 6.506 6.358/6.599 6.444 ± 0.3191
13 1342 1342/1342 1342 ± 0.00002605 6.967 6.603/7.087 6.867 ± 0.3696
14 1342 1342/1342 1342 ± 0.00002605 7.169 6.828/7.275 7.057 ± 0.393
15 1342 1342/1342 1342 ± 0.00002605 6.805 6.493/6.996 6.707 ± 0.4038
16 1342 1342/1342 1342 ± 0.00003823 5.935 5.616/6.211 5.924 ± 0.3535
17 1342 1342/1342 1342 ± 0.00003818 5.869 5.744/6.266 5.968 ± 0.3249
vis
VLASS2.1.sb38483282.eb38504007.59045.97679461805_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-04-13 01:34:44.288
End
2024-04-13 02:25:33.043
Duration
0:50:48.755
Note, WebLog generation is not included in the time.

CASA logs for stage 7