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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.495 5.149/5.959 5.601 ± 0.5345
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.000006138 5.466 5.062/6.014 5.586 ± 0.5608
ea05 1342 1342/1342 1342 ± 0 5.659 5.256/6.261 5.776 ± 0.5946
ea06 1342 1342/1342 1342 ± 0 5.007 4.779/5.429 5.09 ± 0.3955
ea07 1342 1342/1342 1342 ± 0 5.834 5.351/6.16 5.878 ± 0.5723
ea08 1342 1342/1342 1342 ± 0 5.824 5.382/6.458 5.944 ± 0.6557
ea09 1342 1342/1342 1342 ± 0 5.671 5.087/6.323 5.691 ± 0.6221
ea10 1342 1342/1342 1342 ± 0 5.727 5.201/6.45 5.789 ± 0.6553
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.754 5.282/6.289 5.874 ± 0.6257
ea13 1342 1342/1342 1342 ± 0 5.985 5.597/6.247 5.968 ± 0.4811
ea14 1342 1342/1342 1342 ± 0 5.712 5.15/6.264 5.735 ± 0.643
ea15 1342 1342/1342 1342 ± 0 5.5 5.025/6.062 5.602 ± 0.6588
ea16 1342 1342/1342 1342 ± 0 6.039 5.516/6.49 6.094 ± 0.714
ea17 1342 1342/1342 1342 ± 0.000001084 5.874 5.488/6.38 5.999 ± 0.6231
ea18 1342 1342/1342 1342 ± 0.000001086 4.969 4.681/5.39 5.057 ± 0.5056
ea19 1342 1342/1342 1342 ± 0 5.908 5.471/6.523 6.057 ± 0.6204
ea20 1342 1342/1342 1342 ± 0 6.003 5.663/6.692 6.153 ± 0.6474
ea21 1342 1342/1342 1342 ± 0 5.526 5.281/6.169 5.699 ± 0.5424
ea22 1342 1342/1342 1342 ± 0 5.508 5.123/6.249 5.68 ± 0.6501
ea23 1342 1342/1342 1342 ± 0 5.967 5.375/6.492 5.97 ± 0.6689
ea25 1342 1342/1342 1342 ± 0 5.483 5.122/6.012 5.57 ± 0.5622
ea26 1342 1342/1342 1342 ± 0 5.89 5.488/6.561 6.01 ± 0.6707
ea27 1342 1342/1342 1342 ± 0.00002331 5.467 5.137/6.292 5.648 ± 0.62
ea28 1342 1342/1342 1342 ± 0 5.508 5.263/6.256 5.728 ± 0.6351
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 5.342 5.128/5.521 5.317 ± 0.2435
3 1342 1342/1342 1342 ± 0.00002612 4.965 4.833/5.25 5.003 ± 0.2763
4 1342 1342/1342 1342 ± 0.00002458 5.039 4.915/5.245 5.063 ± 0.2815
5 1342 1342/1342 1342 ± 0.00002447 5.28 5.057/5.365 5.239 ± 0.2871
6 1342 1342/1342 1342 ± 0.00002456 5.174 4.996/5.32 5.17 ± 0.2681
7 1342 1342/1342 1342 ± 0.00002447 5.29 5.147/5.476 5.281 ± 0.2389
8 1342 1342/1342 1342 ± 0.00002447 5.289 5.09/5.467 5.242 ± 0.2658
9 1342 1342/1342 1342 ± 0.00002447 5.509 5.357/5.791 5.516 ± 0.295
10 1342 1342/1342 1342 ± 0.00002447 5.97 5.827/6.137 5.939 ± 0.2915
11 1342 1342/1342 1342 ± 0.00002447 6.212 6.073/6.379 6.161 ± 0.3136
12 1342 1342/1342 1342 ± 0.00002447 6.335 6.148/6.497 6.304 ± 0.3394
13 1342 1342/1342 1342 ± 0.00002447 6.716 6.592/6.942 6.713 ± 0.3542
14 1342 1342/1342 1342 ± 0.00002447 6.87 6.721/7.158 6.865 ± 0.3793
15 1342 1342/1342 1342 ± 0.00002447 6.572 6.392/6.712 6.489 ± 0.3576
16 1342 1342/1342 1342 ± 0.00002705 5.883 5.716/6.126 5.873 ± 0.3116
17 1342 1342/1342 1342 ± 0.00002842 5.844 5.72/6.031 5.847 ± 0.293
output_dir
 
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-05-01 10:48:39.957
End
2024-05-01 11:59:19.789
Duration
1:10:39.833
Note, WebLog generation is not included in the time.

CASA logs for stage 7