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

Statwt Summary Plot

VLASS2.1.sb38608477.eb38643773.59104.940213009264_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 5.682 5.367/6.138 5.789 ± 0.5533
ea02 1342 1342/1342 1342 ± 0 5.529 5.296/6.252 5.798 ± 0.6186
ea04 1342 1342/1342 1342 ± 0 5.329 4.984/5.958 5.501 ± 0.5869
ea05 1342 1342/1342 1342 ± 0 5.69 5.106/6.151 5.607 ± 0.5645
ea06 1342 1342/1342 1342 ± 0 5.038 4.816/5.436 5.114 ± 0.4075
ea07 1342 1342/1342 1342 ± 0 6.029 5.497/6.235 6.025 ± 0.5696
ea08 1342 1342/1342 1342 ± 0 5.813 5.575/6.684 6.148 ± 0.6751
ea09 1342 1342/1342 1342 ± 0 5.388 4.883/5.931 5.459 ± 0.6124
ea10 1342 1342/1342 1342 ± 0 6.044 5.399/6.683 6.058 ± 0.6745
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.859 5.415/6.486 6.011 ± 0.6657
ea13 1342 1342/1342 1342 ± 0 5.566 5.191/6.102 5.68 ± 0.5676
ea14 1342 1342/1342 1342 ± 0 5.757 5.306/6.409 5.891 ± 0.6987
ea15 1342 1342/1342 1342 ± 0 5.41 5.065/6.159 5.65 ± 0.6771
ea16 1342 1342/1342 1342 ± 0 6.005 5.579/6.738 6.211 ± 0.7397
ea17 1342 1342/1342 1342 ± 0 6.045 5.702/6.61 6.197 ± 0.6338
ea18 1342 1342/1342 1342 ± 0 5.097 4.772/5.549 5.198 ± 0.51
ea19 1342 1342/1342 1342 ± 0 5.83 5.416/6.558 6.039 ± 0.6544
ea20 1342 1342/1342 1342 ± 0 6.168 5.725/6.795 6.312 ± 0.6312
ea21 1342 1342/1342 1342 ± 0 5.638 5.286/6.187 5.79 ± 0.5707
ea22 1342 1342/1342 1342 ± 0 5.194 4.991/5.992 5.499 ± 0.6204
ea23 1342 1342/1342 1342 ± 0 6.005 5.529/6.497 6.12 ± 0.6835
ea25 1342 1342/1342 1342 ± 0 5.689 5.398/6.306 5.897 ± 0.6005
ea26 1342 1342/1342 1342 ± 0 5.639 5.162/6.235 5.772 ± 0.686
ea27 1342 1342/1342 1342 ± 0.000005398 5.667 5.406/6.477 5.851 ± 0.5834
ea28 1342 1342/1342 1342 ± 0.00002482 5.833 5.478/6.533 6.029 ± 0.6646
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 ± 0.00002395 5.306 5.131/5.607 5.368 ± 0.2965
3 1342 1342/1342 1342 ± 0.00002395 5.237 5.036/5.485 5.255 ± 0.2787
4 1342 1342/1342 1342 ± 0.00002396 5.296 4.976/5.449 5.203 ± 0.364
5 1342 1342/1342 1342 ± 0.00002395 5.331 5.063/5.495 5.255 ± 0.3171
6 1342 1342/1342 1342 ± 0.00002395 5.271 5.104/5.407 5.242 ± 0.2724
7 1342 1342/1342 1342 ± 0.00002395 5.32 5.067/5.444 5.299 ± 0.2716
8 1342 1342/1342 1342 ± 0.00002395 5.296 4.956/5.449 5.239 ± 0.3056
9 1342 1342/1342 1342 ± 0.00002395 5.582 5.253/5.868 5.519 ± 0.3593
10 1342 1342/1342 1342 ± 0.00002395 6.007 5.821/6.143 5.945 ± 0.3395
11 1342 1342/1342 1342 ± 0.00002395 6.204 5.918/6.383 6.169 ± 0.3496
12 1342 1342/1342 1342 ± 0.00002443 6.419 6.19/6.621 6.364 ± 0.3863
13 1342 1342/1342 1342 ± 0.00002395 6.828 6.56/7.067 6.787 ± 0.394
14 1342 1342/1342 1342 ± 0.00002395 7.075 6.782/7.268 6.982 ± 0.421
15 1342 1342/1342 1342 ± 0.00002395 6.744 6.517/6.936 6.646 ± 0.3985
16 1342 1342/1342 1342 ± 0.00002762 6.005 5.711/6.202 5.982 ± 0.3923
17 1342 1342/1342 1342 ± 0.00002785 6.01 5.759/6.223 5.999 ± 0.3682
vis
VLASS2.1.sb38608477.eb38643773.59104.940213009264_split_split.ms
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-12-31 04:40:33.107
End
2024-12-31 05:28:57.250
Duration
0:48:24.143
Note, WebLog generation is not included in the time.

CASA logs for stage 8