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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.551 5.494/6.327 5.89 ± 0.6284
ea02 1342 1342/1342 1342 ± 0.0000415 5.934 5.613/6.744 6.175 ± 0.693
ea03 1342 1342/1342 1342 ± 0.000004631 5.656 5.015/6.244 5.652 ± 0.6285
ea04 1342 1342/1342 1342 ± 0.000004293 5.704 5.277/6.291 5.81 ± 0.5635
ea05 1342 1342/1342 1342 ± 0.000001584 6.214 5.598/6.66 6.032 ± 0.7174
ea06 1342 1342/1342 1342 ± 0 4.917 4.831/4.947 4.945 ± 0.4217
ea07 1342 1342/1342 1342 ± 0 6.154 5.772/6.515 6.276 ± 0.5934
ea08 1342 1342/1342 1342 ± 0.000005806 5.955 5.724/6.935 6.263 ± 0.7471
ea09 1342 1342/1342 1342 ± 0.000003356 5.925 5.429/6.722 5.984 ± 0.7437
ea10 1342 1342/1342 1342 ± 0 6.098 5.581/6.849 6.178 ± 0.6966
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.067 5.48/6.504 6.057 ± 0.7175
ea13 1342 1342/1342 1342 ± 0 6.456 6.121/6.768 6.468 ± 0.6907
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.178 5.628/6.639 6.205 ± 0.7067
ea16 1342 1342/1342 1342 ± 0 6.448 5.912/7.011 6.452 ± 0.8009
ea17 1342 1342/1342 1342 ± 0 6.633 6.039/7.297 6.675 ± 0.6759
ea18 1342 1342/1342 1342 ± 0 5.179 4.8/5.634 5.259 ± 0.4955
ea19 1342 1342/1342 1342 ± 0 6.282 5.657/6.769 6.23 ± 0.6115
ea20 1342 1342/1342 1342 ± 0 6.179 5.618/6.764 6.122 ± 0.7052
ea21 1342 1342/1342 1342 ± 0 6.011 5.638/6.636 6.09 ± 0.6559
ea22 1342 1342/1342 1342 ± 0.00000654 5.588 5.48/6.481 5.909 ± 0.6192
ea23 1342 1342/1342 1342 ± 0 6.208 5.702/6.783 6.249 ± 0.7218
ea24 1342 1342/1342 1342 ± 0.000007499 5.939 5.692/6.842 6.146 ± 0.7223
ea25 1342 1342/1342 1342 ± 0 5.855 5.468/6.354 5.931 ± 0.6184
ea26 1342 1342/1342 1342 ± 0 6.385 5.9/7.264 6.483 ± 0.7664
ea27 1342 1342/1342 1342 ± 0 5.761 5.581/6.591 5.992 ± 0.6442
ea28 1342 1342/1342 1342 ± 0.000007893 5.61 5.387/6.443 5.84 ± 0.6749
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 ± 0.00002383 5.631 5.403/5.749 5.539 ± 0.3071
4 1342 1342/1342 1342 ± 0.00002754 4.834 4.583/4.914 4.744 ± 0.2407
5 1342 1342/1342 1342 ± 0.00002383 5.532 5.361/5.736 5.521 ± 0.3511
6 1342 1342/1342 1342 ± 0.00002383 5.545 5.375/5.74 5.502 ± 0.3288
7 1342 1342/1342 1342 ± 0.00002383 5.583 5.439/5.666 5.535 ± 0.3033
8 1342 1342/1342 1342 ± 0.00002383 5.496 5.324/5.645 5.459 ± 0.3383
9 1342 1342/1342 1342 ± 0.00002383 5.741 5.542/6.106 5.748 ± 0.3793
10 1342 1342/1342 1342 ± 0.0000242 6.252 6.072/6.48 6.235 ± 0.3437
11 1342 1342/1342 1342 ± 0.0000242 6.575 6.31/6.686 6.474 ± 0.3409
12 1342 1342/1342 1342 ± 0.0000242 6.711 6.481/6.78 6.642 ± 0.3718
13 1342 1342/1342 1342 ± 0.0000242 7.105 6.918/7.205 7.056 ± 0.3769
14 1342 1342/1342 1342 ± 0.0000242 7.265 7.047/7.515 7.243 ± 0.4076
15 1342 1342/1342 1342 ± 0.0000242 6.801 6.653/7.016 6.8 ± 0.374
16 1342 1342/1342 1342 ± 0.00002667 6.124 5.773/6.376 6.077 ± 0.3927
17 1342 1342/1342 1342 ± 0.00002502 6.102 5.885/6.426 6.121 ± 0.3726
statwtmode
VLASS-SE
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-01-11 06:24:23.907
End
2025-01-11 07:44:37.796
Duration
1:20:13.889
Note, WebLog generation is not included in the time.

CASA logs for stage 8