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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.871 5.333/6.167 5.785 ± 0.4892
ea02 1342 1342/1342 1342 ± 0 5.911 5.57/6.683 6.136 ± 0.5896
ea04 1342 1342/1342 1342 ± 0 5.548 5.125/6.149 5.657 ± 0.5632
ea05 1342 1342/1342 1342 ± 0 5.818 5.367/6.438 5.876 ± 0.5823
ea06 1342 1342/1342 1342 ± 0 4.937 4.564/5.305 4.936 ± 0.4068
ea07 1342 1342/1342 1342 ± 0.00001369 5.709 5.458/6.287 5.928 ± 0.5756
ea08 1342 1342/1342 1342 ± 0 5.92 5.698/6.746 6.226 ± 0.6189
ea09 1342 1342/1342 1342 ± 0 5.889 5.304/6.564 5.956 ± 0.6187
ea10 1342 1342/1342 1342 ± 0.000001203 5.587 5.25/6.354 5.777 ± 0.5748
ea11 1342 1342/1342 1342 ± 0 6.018 5.232/6.345 5.916 ± 0.6274
ea12 1342 1342/1342 1342 ± 0 5.996 5.393/6.503 6.036 ± 0.6591
ea13 1342 1342/1342 1342 ± 0 6.341 5.775/6.478 6.202 ± 0.4772
ea14 1342 1342/1342 1342 ± 0 5.746 5.351/6.51 5.891 ± 0.6546
ea15 1342 1342/1342 1342 ± 0 5.752 5.097/6.215 5.755 ± 0.6927
ea16 1342 1342/1342 1342 ± 0 6.084 5.788/6.862 6.275 ± 0.6744
ea17 1342 1342/1342 1342 ± 0 6.032 5.607/6.618 6.134 ± 0.5916
ea18 1342 1342/1342 1342 ± 0 5.205 4.836/5.701 5.265 ± 0.5293
ea19 1342 1342/1342 1342 ± 0 6.122 5.602/6.759 6.174 ± 0.6294
ea20 1342 1342/1342 1342 ± 0 6.391 5.742/6.893 6.313 ± 0.6446
ea21 1342 1342/1342 1342 ± 0 5.616 5.451/6.395 5.852 ± 0.5697
ea22 1342 1342/1342 1342 ± 0 5.964 5.331/6.462 5.913 ± 0.5947
ea23 1342 1342/1342 1342 ± 0 5.777 5.518/6.629 6.083 ± 0.6647
ea25 1342 1342/1342 1342 ± 0 5.845 5.302/6.214 5.816 ± 0.5904
ea26 1342 1342/1342 1342 ± 0 6.291 5.633/6.761 6.23 ± 0.5684
ea27 1342 1342/1342 1342 ± 0.00004148 5.628 5.377/6.425 5.864 ± 0.5673
ea28 1342 1342/1342 1342 ± 0 5.716 5.471/6.526 5.971 ± 0.6095
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 ± 0.00002349 5.414 5.207/5.618 5.391 ± 0.2601
4 1342 1342/1342 1342 ± 0.00002365 5.272 5.179/5.51 5.267 ± 0.3577
5 1342 1342/1342 1342 ± 0.00002349 5.372 5.212/5.557 5.376 ± 0.3306
6 1342 1342/1342 1342 ± 0.00002349 5.322 5.123/5.504 5.301 ± 0.304
7 1342 1342/1342 1342 ± 0.00002349 5.411 5.23/5.601 5.402 ± 0.2856
8 1342 1342/1342 1342 ± 0.00002349 5.456 5.193/5.576 5.362 ± 0.3033
9 1342 1342/1342 1342 ± 0.00002349 5.725 5.535/5.897 5.647 ± 0.3435
10 1342 1342/1342 1342 ± 0.00002349 6.115 5.993/6.266 6.07 ± 0.3225
11 1342 1342/1342 1342 ± 0.00002349 6.366 6.182/6.467 6.291 ± 0.3362
12 1342 1342/1342 1342 ± 0.00002349 6.518 6.338/6.64 6.444 ± 0.3536
13 1342 1342/1342 1342 ± 0.00002349 6.935 6.76/7.09 6.863 ± 0.3846
14 1342 1342/1342 1342 ± 0.00002349 7.057 6.873/7.273 7.004 ± 0.4208
15 1342 1342/1342 1342 ± 0.00002349 6.563 6.404/6.783 6.521 ± 0.3681
16 1342 1342/1342 1342 ± 0.00003256 5.907 5.709/6.167 5.927 ± 0.3515
17 1342 1342/1342 1342 ± 0.00003393 5.92 5.722/6.161 5.937 ± 0.3408
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
Start time
2024-05-17 08:43:20.921
End
2024-05-17 09:38:55.044
Duration
0:55:34.123
Note, WebLog generation is not included in the time.

CASA logs for stage 8