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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.543 5.22/6.005 5.671 ± 0.5567
ea02 1342 1342/1342 1342 ± 0 5.59 5.216/6.23 5.767 ± 0.631
ea04 1342 1342/1342 1342 ± 0 5.236 4.951/5.919 5.438 ± 0.5809
ea05 1342 1342/1342 1342 ± 0 5.492 5.044/5.93 5.54 ± 0.5806
ea06 1342 1342/1342 1342 ± 0 4.918 4.651/5.292 4.981 ± 0.3939
ea07 1342 1342/1342 1342 ± 0 5.927 5.379/6.141 5.898 ± 0.589
ea08 1342 1342/1342 1342 ± 0 5.836 5.518/6.611 6.102 ± 0.6754
ea09 1342 1342/1342 1342 ± 0 5.333 4.811/5.894 5.401 ± 0.6047
ea10 1342 1342/1342 1342 ± 0 6.029 5.346/6.727 6.017 ± 0.6886
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.664 5.232/6.353 5.863 ± 0.6768
ea13 1342 1342/1342 1342 ± 0 5.867 5.178/6.122 5.671 ± 0.5777
ea14 1342 1342/1342 1342 ± 0 5.74 5.189/6.368 5.81 ± 0.6962
ea15 1342 1342/1342 1342 ± 0 5.436 5.057/6.112 5.65 ± 0.6568
ea16 1342 1342/1342 1342 ± 0 5.939 5.454/6.672 6.112 ± 0.7624
ea17 1342 1342/1342 1342 ± 0 5.957 5.576/6.497 6.105 ± 0.6466
ea18 1342 1342/1342 1342 ± 0 4.964 4.667/5.49 5.069 ± 0.5697
ea19 1342 1342/1342 1342 ± 0 5.745 5.334/6.483 5.969 ± 0.6593
ea20 1342 1342/1342 1342 ± 0 6.013 5.586/6.735 6.189 ± 0.6865
ea21 1342 1342/1342 1342 ± 0 5.595 5.208/6.152 5.714 ± 0.6013
ea22 1342 1342/1342 1342 ± 0 5.231 5.027/6.096 5.524 ± 0.6309
ea23 1342 1342/1342 1342 ± 0 5.977 5.412/6.407 6.049 ± 0.6958
ea25 1342 1342/1342 1342 ± 0 5.567 5.251/6.161 5.756 ± 0.5785
ea26 1342 1342/1342 1342 ± 0 5.555 5.049/6.112 5.653 ± 0.7068
ea27 1342 1342/1342 1342 ± 0 5.512 5.258/6.386 5.735 ± 0.6208
ea28 1342 1342/1342 1342 ± 0.000001645 5.779 5.416/6.464 5.956 ± 0.6785
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 ± 0.00002392 5.156 5.079/5.422 5.209 ± 0.2503
3 1342 1342/1342 1342 ± 0.00002392 5.08 4.908/5.353 5.097 ± 0.2893
4 1342 1342/1342 1342 ± 0.00002439 5.211 4.862/5.37 5.146 ± 0.3419
5 1342 1342/1342 1342 ± 0.00002392 5.231 4.969/5.381 5.159 ± 0.3301
6 1342 1342/1342 1342 ± 0.00002392 5.215 4.997/5.313 5.13 ± 0.3123
7 1342 1342/1342 1342 ± 0.00002392 5.224 5.057/5.347 5.211 ± 0.252
8 1342 1342/1342 1342 ± 0.00002392 5.223 4.938/5.403 5.174 ± 0.2998
9 1342 1342/1342 1342 ± 0.00002392 5.509 5.251/5.769 5.45 ± 0.3367
10 1342 1342/1342 1342 ± 0.00002392 5.94 5.744/6.095 5.894 ± 0.3368
11 1342 1342/1342 1342 ± 0.00002392 6.113 5.927/6.354 6.111 ± 0.3414
12 1342 1342/1342 1342 ± 0.00002439 6.34 6.102/6.554 6.293 ± 0.3673
13 1342 1342/1342 1342 ± 0.00002392 6.773 6.512/6.999 6.731 ± 0.3888
14 1342 1342/1342 1342 ± 0.00002392 6.941 6.682/7.172 6.897 ± 0.4303
15 1342 1342/1342 1342 ± 0.00002392 6.573 6.466/6.786 6.553 ± 0.411
16 1342 1342/1342 1342 ± 0.00002392 5.939 5.547/6.242 5.927 ± 0.4065
17 1342 1342/1342 1342 ± 0.00002395 5.899 5.737/6.186 5.944 ± 0.3669
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-12-31 15:04:27.848
End
2024-12-31 16:02:39.700
Duration
0:58:11.851
Note, WebLog generation is not included in the time.

CASA logs for stage 8