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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.248 5.177/5.914 5.342 ± 0.827
ea02 1342 1342/1342 1342 ± 0.00004232 5.689 5.345/6.605 5.713 ± 1.003
ea05 1342 1342/1342 1342 ± 0.00001533 5.621 5.143/6.345 5.626 ± 0.8081
ea06 1342 1342/1342 1342 ± 0.000002833 4.938 4.848/5.474 4.948 ± 0.7
ea07 1342 1342/1342 1342 ± 0.00004224 5.717 5.313/5.874 5.446 ± 0.7952
ea08 1342 1342/1342 1342 ± 0.00004204 5.88 5.618/6.803 5.959 ± 1.084
ea09 1342 1342/1342 1342 ± 0.00001423 3.941 3.266/5.676 4.391 ± 1.15
ea10 1342 1342/1342 1342 ± 0.00004316 5.261 5.096/6.249 5.422 ± 0.8797
ea11 1342 1342/1342 1342 ± 0 5.842 5.289/6.486 5.949 ± 0.6329
ea12 1342 1342/1342 1342 ± 0.00001193 5.579 5.369/6.564 5.71 ± 1.081
ea13 1342 1342/1342 1342 ± 0.00001705 5.908 5.715/6.404 5.944 ± 0.7974
ea14 1342 1342/1342 1342 ± 0.00002117 6.478 6.025/6.616 5.877 ± 1.085
ea15 1342 1342/1342 1342 ± 0 5.338 5.209/6.258 5.567 ± 0.9237
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004241 5.787 5.521/6.637 5.817 ± 1.04
ea18 1342 1342/1342 1342 ± 0.00003301 5.066 4.663/5.763 4.994 ± 0.8354
ea19 1342 1342/1342 1342 ± 0 5.796 5.449/6.578 5.811 ± 0.834
ea20 1342 1342/1342 1342 ± 0.00002223 5.941 5.756/6.859 6.009 ± 1.159
ea21 1342 1342/1342 1342 ± 0.00002084 5.533 5.312/6.276 5.555 ± 0.8219
ea22 1342 1342/1342 1342 ± 0.00003146 5.323 5.122/6.404 5.509 ± 0.8929
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.347 5.31/5.394 5.347 ± 0.1472
ea26 1342 1342/1342 1342 ± 0.00002248 5.62 5.487/6.604 5.799 ± 0.835
ea27 1342 1342/1342 1342 ± 0.00004544 5.413 5.086/6.405 5.487 ± 0.9366
ea28 1342 1342/1342 1342 ± 0.00005335 6.472 6.038/6.607 5.838 ± 1.283
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 ± 0.00002632 5.399 5.232/5.717 5.396 ± 0.52
3 1342 1342/1342 1342 ± 0.00002611 5.455 5.106/5.682 5.335 ± 0.5675
5 1342 1342/1342 1342 ± 0.00002694 5.361 5.198/5.515 5.287 ± 0.5399
6 1342 1342/1342 1342 ± 0.00002632 5.365 5.21/5.487 5.235 ± 0.5267
7 1342 1342/1342 1342 ± 0.00002632 5.308 5.138/5.45 5.227 ± 0.5053
8 1342 1342/1342 1342 ± 0.00002632 5.296 5.052/5.437 5.168 ± 0.5249
9 1342 1342/1342 1342 ± 0.00002632 5.582 5.449/5.788 5.458 ± 0.5987
10 1342 1342/1342 1342 ± 0.00002572 6.038 5.761/6.096 5.95 ± 0.3553
11 1342 1342/1342 1342 ± 0.00002572 6.319 6.231/6.466 6.246 ± 0.3594
12 1342 1342/1342 1342 ± 0.00002572 6.494 6.259/6.609 6.419 ± 0.3765
13 1342 1342/1342 1342 ± 0.0000265 6.781 6.305/6.942 6.668 ± 0.4037
14 1342 1342/1342 1342 ± 0.0000322 6.517 5.999/6.915 6.482 ± 0.5172
15 1342 1342/1342 1342 ± 0.0000263 6.639 6.511/6.901 6.602 ± 0.4803
16 1342 1342/1342 1342 ± 0.0000608 3.629 3.483/3.938 3.714 ± 0.2957
17 1342 1342/1342 1342 ± 0.00006054 3.824 3.646/4.068 3.852 ± 0.2962
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-22 05:56:11.455
End
2024-04-22 06:32:55.807
Duration
0:36:44.352
Note, WebLog generation is not included in the time.

CASA logs for stage 7