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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.391 5.302/6.215 5.614 ± 0.7836
ea02 1342 1342/1342 1342 ± 0.00004376 5.963 5.379/6.706 5.916 ± 0.9142
ea04 1342 1342/1342 1342 ± 0.0000345 5.462 5.09/6.093 5.478 ± 0.7532
ea05 1342 1342/1342 1342 ± 0.00002972 5.745 5.311/6.653 5.908 ± 0.8642
ea06 1342 1342/1342 1342 ± 0.00003966 5.252 4.868/5.82 5.252 ± 0.7134
ea07 1342 1342/1342 1342 ± 0.00004269 5.93 5.399/6.338 5.831 ± 0.8696
ea08 1342 1342/1342 1342 ± 0.00004378 6.121 5.635/6.988 6.122 ± 1.034
ea09 1342 1342/1342 1342 ± 0.00002735 5.424 4.988/5.881 5.366 ± 0.6449
ea10 1342 1342/1342 1342 ± 0.00004149 5.266 4.82/6.036 5.302 ± 0.7388
ea11 1342 1342/1342 1342 ± 0.00004318 6.029 5.452/6.662 5.941 ± 0.9494
ea12 1342 1342/1342 1342 ± 0.00004043 5.788 5.426/6.6 5.871 ± 0.9119
ea13 1342 1342/1342 1342 ± 0.00001653 5.72 5.597/6.295 5.885 ± 0.7089
ea14 1342 1342/1342 1342 ± 0.00004214 5.831 5.437/6.723 5.974 ± 0.9225
ea15 1342 1342/1342 1342 ± 0.00002948 5.662 5.358/6.525 5.793 ± 0.9182
ea16 1342 1342/1342 1342 ± 0.00004029 6.069 5.647/6.953 6.124 ± 0.9932
ea17 1342 1342/1342 1342 ± 0.00004263 6.05 5.542/7.154 6.085 ± 0.9786
ea18 1342 1342/1342 1342 ± 0.00004327 5.042 4.87/5.857 5.184 ± 0.6697
ea19 1342 1342/1342 1342 ± 0.00001202 6.035 5.729/6.873 6.185 ± 0.9048
ea20 1342 1342/1342 1342 ± 0.00004225 6.055 5.932/6.963 6.221 ± 0.9884
ea21 1342 1342/1342 1342 ± 0.00004057 5.733 5.398/6.515 5.822 ± 0.8548
ea22 1342 1342/1342 1342 ± 0.00003735 5.459 5.184/6.485 5.709 ± 0.8491
ea23 1342 1342/1342 1342 ± 0.00005273 6.471 6.233/7.185 6.125 ± 1.195
ea24 1342 1342/1342 1342 ± 0.00001841 5.256 4.894/6.09 5.439 ± 0.6918
ea25 1342 1342/1342 1342 ± 0.00004254 5.712 5.36/6.498 5.75 ± 0.8722
ea26 1342 1342/1342 1342 ± 0.00002764 5.883 5.72/6.929 6.088 ± 0.8933
ea27 1342 1342/1342 1342 ± 0.00004283 5.707 5.384/6.601 5.782 ± 0.8597
ea28 1342 1342/1342 1342 ± 0.00004412 5.807 5.538/6.761 5.986 ± 0.9146
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 ± 0.00002356 5.46 5.313/5.737 5.456 ± 0.3406
5 1342 1342/1342 1342 ± 0.00002392 5.443 5.149/5.66 5.401 ± 0.3697
6 1342 1342/1342 1342 ± 0.00002356 5.431 5.115/5.575 5.351 ± 0.2858
7 1342 1342/1342 1342 ± 0.00002356 5.396 5.208/5.599 5.4 ± 0.2846
8 1342 1342/1342 1342 ± 0.00002356 5.412 5.093/5.642 5.375 ± 0.3314
9 1342 1342/1342 1342 ± 0.00002383 5.71 5.349/5.932 5.669 ± 0.3294
10 1342 1342/1342 1342 ± 0.00002314 6.216 5.933/6.301 6.121 ± 0.3319
11 1342 1342/1342 1342 ± 0.00002314 6.461 6.088/6.639 6.393 ± 0.3399
12 1342 1342/1342 1342 ± 0.00002314 6.597 6.275/6.794 6.542 ± 0.3692
13 1342 1342/1342 1342 ± 0.00002314 6.96 6.585/7.169 6.85 ± 0.4292
14 1342 1342/1342 1342 ± 0.00002314 7.089 6.693/7.265 6.976 ± 0.4531
15 1342 1342/1342 1342 ± 0.00002514 6.685 6.36/6.952 6.61 ± 0.4582
16 1342 1342/1342 1342 ± 0.00005271 4.252 4.114/4.4 4.255 ± 0.1987
17 1342 1342/1342 1342 ± 0.0000541 4.28 4.124/4.503 4.315 ± 0.2651
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
overwrite_modelcol
False
Start time
2024-11-07 23:51:34.864
End
2024-11-08 00:54:53.449
Duration
1:03:18.585
Note, WebLog generation is not included in the time.

CASA logs for stage 8