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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.46 5.395/5.941 5.673 ± 0.458
ea02 1342 1342/1342 1342 ± 0 5.904 5.445/6.388 5.919 ± 0.5451
ea04 1342 1342/1342 1342 ± 0 5.591 5.327/6.168 5.745 ± 0.4726
ea05 1342 1342/1342 1342 ± 0 5.838 5.42/6.216 5.853 ± 0.5111
ea06 1342 1342/1342 1342 ± 0 3.086 2.998/3.335 3.149 ± 0.1868
ea07 1342 1342/1342 1342 ± 0 5.695 5.512/5.885 5.679 ± 0.2086
ea08 1342 1342/1342 1342 ± 0 5.918 5.59/6.561 6.075 ± 0.6017
ea09 1342 1342/1342 1342 ± 0 5.022 4.85/5.486 5.159 ± 0.3728
ea10 1342 1342/1342 1342 ± 0 5.645 5.433/6.404 5.842 ± 0.513
ea11 1342 1342/1342 1342 ± 0 5.873 5.608/6.4 6.03 ± 0.5169
ea12 1342 1342/1342 1342 ± 0 6.026 5.508/6.428 6.065 ± 0.5209
ea13 1342 1342/1342 1342 ± 0 5.928 5.708/6.147 6.006 ± 0.4039
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.089 4.93/5.206 5.099 ± 0.3054
ea17 1342 1342/1342 1342 ± 0.00001265 6.179 5.87/6.609 6.305 ± 0.5271
ea18 1342 1342/1342 1342 ± 0 5.253 5.01/5.695 5.355 ± 0.4031
ea19 1342 1342/1342 1342 ± 0 6.593 6.305/6.859 6.627 ± 0.3497
ea21 1342 1342/1342 1342 ± 0 5.755 5.457/6.309 5.905 ± 0.5208
ea22 1342 1342/1342 1342 ± 0 5.333 5.131/6.058 5.566 ± 0.5288
ea23 1342 1342/1342 1342 ± 0 6.078 5.549/6.47 6.063 ± 0.5656
ea25 1342 1342/1342 1342 ± 0 5.5 5.449/5.663 5.498 ± 0.1711
ea26 1342 1342/1342 1342 ± 0 5.849 5.612/6.605 6.045 ± 0.5396
ea27 1342 1342/1342 1342 ± 0.000007926 5.629 5.391/6.308 5.811 ± 0.5108
ea28 1342 1342/1342 1342 ± 0.0000126 5.701 5.496/6.413 5.904 ± 0.5852
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 ± 0.000026 5.59 5.403/5.761 5.529 ± 0.3329
3 1342 1342/1342 1342 ± 0.00003174 5.334 5.09/5.684 5.375 ± 0.3235
4 1342 1342/1342 1342 ± 0.000026 5.428 5.322/5.644 5.425 ± 0.3067
5 1342 1342/1342 1342 ± 0.000026 5.486 5.338/5.606 5.474 ± 0.276
6 1342 1342/1342 1342 ± 0.000026 5.453 5.178/5.53 5.379 ± 0.2598
7 1342 1342/1342 1342 ± 0.000026 5.454 5.326/5.564 5.414 ± 0.235
8 1342 1342/1342 1342 ± 0.000026 5.446 5.161/5.524 5.365 ± 0.2905
9 1342 1342/1342 1342 ± 0.000026 5.706 5.367/5.862 5.613 ± 0.3592
10 1342 1342/1342 1342 ± 0.000026 6.043 5.816/6.187 5.831 ± 0.6486
11 1342 1342/1342 1342 ± 0.000026 6.278 5.949/6.413 6.012 ± 0.7614
12 1342 1342/1342 1342 ± 0.000026 6.436 6.057/6.484 6.149 ± 0.7784
13 1342 1342/1342 1342 ± 0.000026 6.765 6.436/6.964 6.496 ± 0.8251
14 1342 1342/1342 1342 ± 0.000026 6.865 6.587/7.064 6.628 ± 0.8478
15 1342 1342/1342 1342 ± 0.000026 6.36 6.176/6.589 6.143 ± 0.8138
16 1342 1342/1342 1342 ± 0.00003012 5.597 5.274/5.98 5.547 ± 0.7408
17 1342 1342/1342 1342 ± 0.00002632 5.698 5.399/6.094 5.602 ± 0.719
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-03-29 09:16:14.986
End
2024-03-29 10:33:49.344
Duration
1:17:34.358
Note, WebLog generation is not included in the time.

CASA logs for stage 7