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 5.499 5.338/6.137 5.73 ± 0.5034
ea02 1342 1342/1342 1342 ± 0.000006558 5.919 5.556/6.713 6.121 ± 0.6437
ea04 1342 1342/1342 1342 ± 0 5.565 5.083/6.201 5.659 ± 0.5878
ea05 1342 1342/1342 1342 ± 0 5.985 5.399/6.372 5.92 ± 0.595
ea06 1342 1342/1342 1342 ± 0 4.941 4.557/5.264 4.919 ± 0.3987
ea07 1342 1342/1342 1342 ± 0 5.795 5.445/6.269 5.936 ± 0.5728
ea08 1342 1342/1342 1342 ± 0 5.914 5.653/6.822 6.251 ± 0.6358
ea09 1342 1342/1342 1342 ± 0 5.842 5.362/6.574 5.943 ± 0.6132
ea10 1342 1342/1342 1342 ± 0.000004371 5.705 5.204/6.356 5.789 ± 0.5817
ea11 1342 1342/1342 1342 ± 0 6.033 5.213/6.369 5.919 ± 0.6462
ea12 1342 1342/1342 1342 ± 0 5.997 5.393/6.503 6.068 ± 0.6591
ea13 1342 1342/1342 1342 ± 0 6.088 5.741/6.363 6.124 ± 0.4971
ea14 1342 1342/1342 1342 ± 0.000001201 5.774 5.358/6.487 5.888 ± 0.6628
ea15 1342 1342/1342 1342 ± 0 5.741 5.092/6.272 5.759 ± 0.699
ea16 1342 1342/1342 1342 ± 0 6.146 5.762/6.862 6.281 ± 0.6838
ea17 1342 1342/1342 1342 ± 0 6.031 5.605/6.6 6.13 ± 0.6035
ea18 1342 1342/1342 1342 ± 0 5.202 4.829/5.707 5.264 ± 0.5327
ea19 1342 1342/1342 1342 ± 0 6.27 5.606/6.799 6.195 ± 0.6277
ea20 1342 1342/1342 1342 ± 0 6.385 5.779/6.926 6.328 ± 0.6519
ea21 1342 1342/1342 1342 ± 0 5.647 5.427/6.305 5.848 ± 0.5691
ea22 1342 1342/1342 1342 ± 0 5.611 5.307/6.489 5.875 ± 0.6284
ea23 1342 1342/1342 1342 ± 0.00000784 5.816 5.495/6.645 6.074 ± 0.6847
ea25 1342 1342/1342 1342 ± 0 5.897 5.302/6.233 5.83 ± 0.5837
ea26 1342 1342/1342 1342 ± 0 5.968 5.633/6.77 6.186 ± 0.6
ea27 1342 1342/1342 1342 ± 0.00004005 5.763 5.424/6.449 5.912 ± 0.558
ea28 1342 1342/1342 1342 ± 0 5.644 5.483/6.514 5.98 ± 0.6277
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 ± 0.00002364 5.428 5.214/5.622 5.397 ± 0.2677
4 1342 1342/1342 1342 ± 0.00002588 5.188 5.083/5.307 5.135 ± 0.3086
5 1342 1342/1342 1342 ± 0.00002364 5.409 5.194/5.543 5.397 ± 0.335
6 1342 1342/1342 1342 ± 0.00002364 5.326 5.103/5.471 5.299 ± 0.3014
7 1342 1342/1342 1342 ± 0.00002364 5.444 5.224/5.602 5.395 ± 0.2798
8 1342 1342/1342 1342 ± 0.00002364 5.435 5.215/5.567 5.357 ± 0.3062
9 1342 1342/1342 1342 ± 0.00002364 5.711 5.53/5.9 5.643 ± 0.3438
10 1342 1342/1342 1342 ± 0.00002364 6.138 5.992/6.272 6.067 ± 0.3228
11 1342 1342/1342 1342 ± 0.00002364 6.353 6.18/6.46 6.292 ± 0.3429
12 1342 1342/1342 1342 ± 0.00002364 6.497 6.322/6.651 6.441 ± 0.3564
13 1342 1342/1342 1342 ± 0.00002364 6.953 6.762/7.093 6.869 ± 0.3897
14 1342 1342/1342 1342 ± 0.00002364 7.078 6.893/7.304 7.019 ± 0.4219
15 1342 1342/1342 1342 ± 0.00002364 6.591 6.368/6.878 6.548 ± 0.3911
16 1342 1342/1342 1342 ± 0.00003282 5.885 5.673/6.087 5.897 ± 0.3411
17 1342 1342/1342 1342 ± 0.00003147 5.888 5.702/6.129 5.901 ± 0.341
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-17 12:03:04.748
End
2024-05-17 13:04:29.911
Duration
1:01:25.163
Note, WebLog generation is not included in the time.

CASA logs for stage 8