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

Statwt Summary Plot

VLASS2.1.sb38563510.eb38566235.59073.10379631944_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 5.31 5.182/6.064 5.358 ± 0.8747
ea02 1342 1342/1342 1342 ± 0.0000432 5.835 5.316/6.604 5.74 ± 1.058
ea05 1342 1342/1342 1342 ± 0.00001243 5.612 5.091/6.337 5.588 ± 0.8836
ea06 1342 1342/1342 1342 ± 0.00000682 4.941 4.669/5.314 4.827 ± 0.7159
ea07 1342 1342/1342 1342 ± 0.00004391 5.727 5.29/5.984 5.462 ± 0.883
ea08 1342 1342/1342 1342 ± 0.00004383 6.007 5.551/6.897 5.99 ± 1.193
ea09 1342 1342/1342 1342 ± 0.00002243 5.232 4.867/5.757 5.16 ± 0.7218
ea10 1342 1342/1342 1342 ± 0.000044 5.616 5.135/6.471 5.562 ± 1.002
ea11 1342 1342/1342 1342 ± 0.00004273 5.753 5.229/6.397 5.595 ± 1.062
ea12 1342 1342/1342 1342 ± 0.000006497 5.737 5.219/6.465 5.61 ± 1.053
ea13 1342 1342/1342 1342 ± 0.00002512 5.871 5.64/6.349 5.852 ± 0.8521
ea14 1342 1342/1342 1342 ± 0.00002857 6.481 6.043/6.649 5.909 ± 1.129
ea15 1342 1342/1342 1342 ± 0.000001677 5.396 5.153/6.283 5.54 ± 0.9931
ea16 1342 1342/1342 1342 ± 0 5.117 4.988/5.312 5.077 ± 0.2441
ea17 1342 1342/1342 1342 ± 0.0000439 5.823 5.519/6.797 5.774 ± 1.117
ea18 1342 1342/1342 1342 ± 0.00003752 5.062 4.701/5.726 4.955 ± 0.8434
ea19 1342 1342/1342 1342 ± 0.000001169 5.832 5.464/6.568 5.829 ± 0.8787
ea20 1342 1342/1342 1342 ± 0.0000244 5.976 5.699/6.791 5.925 ± 1.195
ea21 1342 1342/1342 1342 ± 0.00001996 5.552 5.334/6.318 5.563 ± 0.8819
ea22 1342 1342/1342 1342 ± 0.00004279 5.463 5.144/6.52 5.601 ± 0.9791
ea23 1342 1342/1342 1342 ± 0.0000424 5.739 5.391/6.513 5.688 ± 1.005
ea25 1342 1342/1342 1342 ± 0 5.295 5.222/5.376 5.27 ± 0.145
ea26 1342 1342/1342 1342 ± 0.00003779 5.679 5.483/6.567 5.748 ± 0.9098
ea27 1342 1342/1342 1342 ± 0.00004507 5.46 5.039/6.351 5.487 ± 0.984
ea28 1342 1342/1342 1342 ± 0.00004331 5.704 5.386/6.579 5.705 ± 1.044
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 ± 0.00002447 5.445 5.278/5.699 5.452 ± 0.3121
3 1342 1342/1342 1342 ± 0.00003112 4.688 4.558/4.857 4.737 ± 0.2818
5 1342 1342/1342 1342 ± 0.00002445 5.411 5.225/5.555 5.372 ± 0.3483
6 1342 1342/1342 1342 ± 0.00002447 5.319 5.188/5.479 5.301 ± 0.2706
7 1342 1342/1342 1342 ± 0.00002447 5.239 5.142/5.41 5.265 ± 0.2466
8 1342 1342/1342 1342 ± 0.00002447 5.305 5.046/5.456 5.234 ± 0.284
9 1342 1342/1342 1342 ± 0.00002493 5.561 5.388/5.748 5.502 ± 0.3157
10 1342 1342/1342 1342 ± 0.00002497 6.015 5.77/6.139 5.94 ± 0.347
11 1342 1342/1342 1342 ± 0.00002497 6.313 6.146/6.401 6.226 ± 0.3637
12 1342 1342/1342 1342 ± 0.00002497 6.523 6.283/6.599 6.422 ± 0.3742
13 1342 1342/1342 1342 ± 0.00002497 6.829 6.494/6.98 6.724 ± 0.3801
14 1342 1342/1342 1342 ± 0.00002983 6.638 6.273/6.989 6.59 ± 0.4821
15 1342 1342/1342 1342 ± 0.00002525 6.594 6.383/6.822 6.531 ± 0.49
16 1342 1342/1342 1342 ± 0.00005902 3.603 3.397/3.796 3.605 ± 0.2825
17 1342 1342/1342 1342 ± 0.00006047 3.74 3.552/3.943 3.755 ± 0.2817
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38563510.eb38566235.59073.10379631944_split_split.ms
statwtmode
VLASS-SE
Start time
2024-10-31 02:31:45.543
End
2024-10-31 03:31:30.501
Duration
0:59:44.958
Note, WebLog generation is not included in the time.

CASA logs for stage 8