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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.067 4.915/5.669 4.952 ± 0.9983
ea02 1342 1342/1342 1342 ± 0.00004248 5.508 5.086/6.161 5.326 ± 1.105
ea04 1342 1342/1342 1342 ± 0.00003973 4.943 4.706/5.692 4.955 ± 0.9479
ea05 1342 1342/1342 1342 ± 0.00001578 5.272 4.959/6.016 5.218 ± 0.9128
ea06 1342 1342/1342 1342 ± 0.00004105 4.572 4.48/5.329 4.641 ± 0.8812
ea07 1342 1342/1342 1342 ± 0.00004427 5.271 4.973/5.895 5.126 ± 1.053
ea08 1342 1342/1342 1342 ± 0.00004485 5.437 5.178/6.351 5.373 ± 1.174
ea09 1342 1342/1342 1342 ± 0.000005697 5.125 4.926/5.986 5.145 ± 0.9067
ea10 1342 1342/1342 1342 ± 0.00004563 4.986 4.794/5.947 5.016 ± 1.074
ea11 1342 1342/1342 1342 ± 0.00004366 5.222 4.68/5.914 5.018 ± 1.09
ea12 1342 1342/1342 1342 ± 0.00004196 5.22 4.975/6.205 5.214 ± 1.124
ea13 1342 1342/1342 1342 ± 0.00001398 5.643 5.38/6.154 5.485 ± 0.9471
ea14 1342 1342/1342 1342 ± 0.00002005 5.225 4.915/6.174 5.128 ± 1.11
ea15 1342 1342/1342 1342 ± 0.0000349 5.151 4.796/5.921 5.118 ± 1.068
ea16 1342 1342/1342 1342 ± 0.00002974 5.438 4.839/6.274 5.331 ± 1.126
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.00003875 4.631 4.264/5.213 4.617 ± 0.749
ea19 1342 1342/1342 1342 ± 0.00000796 5.437 5.243/6.254 5.422 ± 0.9416
ea20 1342 1342/1342 1342 ± 0.00004311 5.564 5.23/6.456 5.452 ± 1.191
ea21 1342 1342/1342 1342 ± 0.00002371 5.095 4.768/5.842 5.018 ± 0.9332
ea22 1342 1342/1342 1342 ± 0.00003644 5.29 4.926/6.106 5.244 ± 0.9866
ea23 1342 1342/1342 1342 ± 0.00004299 5.28 4.97/6.108 5.198 ± 1.087
ea25 1342 1342/1342 1342 ± 0.00004655 5.02 4.8/5.826 4.987 ± 1.058
ea26 1342 1342/1342 1342 ± 0.00002004 5.488 5.266/6.336 5.486 ± 0.971
ea27 1342 1342/1342 1342 ± 0.00004733 5.073 4.708/5.901 5.003 ± 1.047
ea28 1342 1342/1342 1342 ± 0.00004684 5.316 5.018/6.17 5.191 ± 1.111
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 ± 0.00002398 4.959 4.849/5.283 5.035 ± 0.2652
3 1342 1342/1342 1342 ± 0.00004792 4.572 4.262/4.803 4.536 ± 0.4366
5 1342 1342/1342 1342 ± 0.00002479 4.962 4.679/5.229 4.971 ± 0.335
6 1342 1342/1342 1342 ± 0.00002398 5.033 4.883/5.249 5.017 ± 0.286
7 1342 1342/1342 1342 ± 0.00002398 5.086 4.947/5.217 5.084 ± 0.2532
8 1342 1342/1342 1342 ± 0.00002398 5.102 4.867/5.238 5.046 ± 0.2627
9 1342 1342/1342 1342 ± 0.00002398 5.327 5.194/5.492 5.285 ± 0.2984
10 1342 1342/1342 1342 ± 0.00002398 5.789 5.681/5.901 5.749 ± 0.3005
11 1342 1342/1342 1342 ± 0.00002398 6.111 5.921/6.186 6.026 ± 0.3068
12 1342 1342/1342 1342 ± 0.00002398 6.219 5.99/6.327 6.165 ± 0.3001
13 1342 1342/1342 1342 ± 0.00002422 6.183 5.984/6.402 6.174 ± 0.3158
14 1342 1342/1342 1342 ± 0.0000439 5.425 5.067/5.869 5.525 ± 0.5667
15 1342 1342/1342 1342 ± 0.00002401 6.335 6.083/6.554 6.275 ± 0.4007
16 1342 1342/1342 1342 ± 0.00005538 2.849 2.655/3.159 2.903 ± 0.3333
17 1342 1342/1342 1342 ± 0.00005692 2.892 2.745/3.213 2.971 ± 0.3224
datacolumn
residual_data
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2024-11-16 14:59:31.981
End
2024-11-16 16:00:53.534
Duration
1:01:21.554
Note, WebLog generation is not included in the time.

CASA logs for stage 8