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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.335 5.219/6.101 5.523 ± 0.793
ea02 1342 1342/1342 1342 ± 0.00004282 5.868 5.229/6.62 5.708 ± 0.9674
ea03 1342 1342/1342 1342 ± 0.0000316 4.931 4.668/5.904 5.112 ± 0.791
ea04 1342 1342/1342 1342 ± 0.00003759 5.33 5.081/6.109 5.479 ± 0.7596
ea05 1342 1342/1342 1342 ± 0.00003383 5.472 5.111/6.49 5.575 ± 0.9429
ea06 1342 1342/1342 1342 ± 0.00001735 4.34 4.142/4.871 4.308 ± 0.7219
ea07 1342 1342/1342 1342 ± 0.00004158 5.842 5.217/6.118 5.704 ± 0.8793
ea08 1342 1342/1342 1342 ± 0.00004152 6.099 5.479/6.725 5.963 ± 0.9848
ea09 1342 1342/1342 1342 ± 0.00003793 5.543 5.064/6.318 5.502 ± 0.846
ea10 1342 1342/1342 1342 ± 0.00004011 5.949 5.19/6.655 5.805 ± 0.9481
ea11 1342 1342/1342 1342 ± 0.0000214 5.619 4.999/6.342 5.524 ± 1.062
ea12 1342 1342/1342 1342 ± 0.00003828 5.55 5.307/6.521 5.743 ± 0.8603
ea13 1342 1342/1342 1342 ± 0.00003336 5.831 5.551/6.292 5.79 ± 0.8675
ea14 1342 1342/1342 1342 ± 0.00004167 5.674 5.124/6.22 5.618 ± 0.9558
ea15 1342 1342/1342 1342 ± 0.00001452 3.765 3.542/4.676 3.921 ± 0.9929
ea16 1342 1342/1342 1342 ± 0.00004034 5.785 5.578/6.742 5.905 ± 1.034
ea17 1342 1342/1342 1342 ± 0.00002677 6.114 5.595/7.314 6.104 ± 1.172
ea18 1342 1342/1342 1342 ± 0.00003822 4.756 4.444/5.469 4.847 ± 0.6224
ea19 1342 1342/1342 1342 ± 0.00002633 5.517 5.254/6.414 5.658 ± 0.8995
ea20 1342 1342/1342 1342 ± 0.00003441 5.981 5.774/7.011 6.107 ± 1.049
ea21 1342 1342/1342 1342 ± 0.00004082 5.649 5.316/6.424 5.661 ± 0.938
ea23 1342 1342/1342 1342 ± 0.0000417 5.467 5.14/5.642 5.289 ± 0.6628
ea24 1342 1342/1342 1342 ± 0.00004097 5.6 5.264/6.342 5.579 ± 0.8484
ea25 1342 1342/1342 1342 ± 0.00004037 5.556 5.253/6.256 5.56 ± 0.8331
ea26 1342 1342/1342 1342 ± 0.00003769 5.834 5.583/6.737 5.851 ± 0.9421
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004032 5.45 5.147/6.193 5.504 ± 0.8077
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 ± 0.0000237 5.329 5.093/5.526 5.227 ± 0.5003
5 1342 1342/1342 1342 ± 0.0000237 5.406 5.044/5.699 5.242 ± 0.567
6 1342 1342/1342 1342 ± 0.0000237 5.247 5.062/5.444 5.158 ± 0.4857
7 1342 1342/1342 1342 ± 0.0000237 5.299 5.176/5.509 5.221 ± 0.4742
8 1342 1342/1342 1342 ± 0.0000237 5.286 5.186/5.483 5.216 ± 0.5007
9 1342 1342/1342 1342 ± 0.0000237 5.618 5.329/5.846 5.492 ± 0.5274
10 1342 1342/1342 1342 ± 0.0000237 5.947 5.603/6.122 5.791 ± 0.5648
11 1342 1342/1342 1342 ± 0.0000237 6.189 6.019/6.318 6.072 ± 0.5206
12 1342 1342/1342 1342 ± 0.0000237 6.35 6.108/6.623 6.258 ± 0.5808
13 1342 1342/1342 1342 ± 0.0000237 6.733 6.443/6.899 6.605 ± 0.5506
14 1342 1342/1342 1342 ± 0.00002458 6.79 6.366/6.987 6.605 ± 0.6203
15 1342 1342/1342 1342 ± 0.00002516 6.583 6.296/6.905 6.495 ± 0.6531
16 1342 1342/1342 1342 ± 0.00005294 3.772 3.604/3.91 3.662 ± 0.5065
17 1342 1342/1342 1342 ± 0.00005423 3.888 3.724/4.039 3.809 ± 0.4617
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-01-11 08:45:17.059
End
2025-01-11 09:43:55.791
Duration
0:58:38.732
Note, WebLog generation is not included in the time.

CASA logs for stage 8