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

Statwt Summary Plot

VLASS2.1.sb38625952.eb38714976.59133.44101303241_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 5.678 5.404/6.316 5.933 ± 0.5723
ea02 1342 1342/1342 1342 ± 0.00004745 6.096 5.751/6.82 6.278 ± 0.6748
ea03 1342 1342/1342 1342 ± 0 5.613 4.953/6.125 5.593 ± 0.6197
ea04 1342 1342/1342 1342 ± 0 5.715 5.369/6.196 5.815 ± 0.5307
ea05 1342 1342/1342 1342 ± 0 6.084 5.647/6.679 6.119 ± 0.5916
ea06 1342 1342/1342 1342 ± 0 5.115 4.83/5.565 5.202 ± 0.4329
ea07 1342 1342/1342 1342 ± 0.000002998 6.095 5.63/6.426 6.143 ± 0.6652
ea08 1342 1342/1342 1342 ± 0.00003167 6.041 5.701/6.917 6.337 ± 0.6958
ea09 1342 1342/1342 1342 ± 0.000006902 5.924 5.514/6.655 6.059 ± 0.6185
ea10 1342 1342/1342 1342 ± 0.00002275 5.907 5.507/6.935 6.158 ± 0.7307
ea11 1342 1342/1342 1342 ± 0 5.758 5.42/6.655 6.052 ± 0.734
ea12 1342 1342/1342 1342 ± 0 5.76 5.512/6.547 6.062 ± 0.6607
ea13 1342 1342/1342 1342 ± 0 6.462 5.866/6.586 6.347 ± 0.5441
ea15 1342 1342/1342 1342 ± 0 5.942 5.691/6.711 6.263 ± 0.6402
ea16 1342 1342/1342 1342 ± 0.00001428 6.277 5.91/6.943 6.449 ± 0.7406
ea17 1342 1342/1342 1342 ± 0.000008233 6.233 5.917/7.233 6.533 ± 0.7363
ea18 1342 1342/1342 1342 ± 0 4.895 4.802/5.646 5.167 ± 0.4845
ea19 1342 1342/1342 1342 ± 0 6.067 5.738/6.779 6.236 ± 0.5915
ea20 1342 1342/1342 1342 ± 0 5.811 5.567/6.653 6.121 ± 0.6284
ea21 1342 1342/1342 1342 ± 0.000001133 5.898 5.653/6.616 6.143 ± 0.6046
ea22 1342 1342/1342 1342 ± 0.00002872 5.774 5.376/6.235 5.806 ± 0.5824
ea23 1342 1342/1342 1342 ± 0 5.899 5.508/6.711 6.175 ± 0.7612
ea24 1342 1342/1342 1342 ± 0.00003693 5.87 5.694/6.785 6.171 ± 0.6366
ea25 1342 1342/1342 1342 ± 0 5.728 5.316/6.428 5.904 ± 0.65
ea26 1342 1342/1342 1342 ± 0 6.579 6.002/7.229 6.588 ± 0.6737
ea27 1342 1342/1342 1342 ± 0.00002094 5.647 5.334/6.522 5.934 ± 0.6324
ea28 1342 1342/1342 1342 ± 0.00002065 5.519 5.417/6.43 5.915 ± 0.5955
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 ± 0.00002308 5.477 5.252/5.686 5.425 ± 0.2894
4 1342 1342/1342 1342 ± 0.00004861 4.652 4.469/4.822 4.621 ± 0.2877
5 1342 1342/1342 1342 ± 0.00002319 5.848 5.538/6.056 5.779 ± 0.4168
6 1342 1342/1342 1342 ± 0.00002308 5.565 5.376/5.728 5.502 ± 0.3137
7 1342 1342/1342 1342 ± 0.00002308 5.562 5.421/5.692 5.532 ± 0.2978
8 1342 1342/1342 1342 ± 0.00002308 5.517 5.333/5.652 5.467 ± 0.3319
9 1342 1342/1342 1342 ± 0.00002308 5.728 5.401/5.927 5.679 ± 0.3728
10 1342 1342/1342 1342 ± 0.00002308 6.259 6.026/6.441 6.196 ± 0.3571
11 1342 1342/1342 1342 ± 0.00002308 6.519 6.324/6.656 6.435 ± 0.3587
12 1342 1342/1342 1342 ± 0.00002308 6.634 6.428/6.784 6.583 ± 0.3942
13 1342 1342/1342 1342 ± 0.00002308 7.094 6.886/7.214 7.031 ± 0.4217
14 1342 1342/1342 1342 ± 0.00002308 7.245 6.993/7.511 7.2 ± 0.4554
15 1342 1342/1342 1342 ± 0.00002308 6.749 6.464/7.05 6.71 ± 0.4611
16 1342 1342/1342 1342 ± 0.00004499 5.57 5.278/5.839 5.559 ± 0.4267
17 1342 1342/1342 1342 ± 0.00003591 5.75 5.454/6.113 5.751 ± 0.4415
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38625952.eb38714976.59133.44101303241_split_split.ms
Start time
2025-01-11 07:07:39.192
End
2025-01-11 08:23:55.614
Duration
1:16:16.422
Note, WebLog generation is not included in the time.

CASA logs for stage 8