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

Statwt Summary Plot

VLASS2.1.sb38529434.eb38589592.59082.86913579861_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 5.483 5.249/5.97 5.638 ± 0.5594
ea02 1342 1342/1342 1342 ± 0.00001028 5.639 5.467/6.542 5.994 ± 0.6983
ea04 1342 1342/1342 1342 ± 0 5.336 4.944/5.818 5.449 ± 0.5248
ea05 1342 1342/1342 1342 ± 0 5.69 5.259/6.204 5.762 ± 0.5826
ea06 1342 1342/1342 1342 ± 0 4.913 4.75/5.354 5.061 ± 0.3867
ea07 1342 1342/1342 1342 ± 0 5.834 5.368/6.093 5.858 ± 0.5607
ea08 1342 1342/1342 1342 ± 0.00002279 5.677 5.472/6.653 6.047 ± 0.6883
ea09 1342 1342/1342 1342 ± 0.000004535 5.521 5.302/6.365 5.802 ± 0.6341
ea10 1342 1342/1342 1342 ± 0 5.601 5.076/6.3 5.665 ± 0.6249
ea11 1342 1342/1342 1342 ± 0 5.742 5.134/6.24 5.752 ± 0.6269
ea12 1342 1342/1342 1342 ± 0 5.668 5.282/6.208 5.82 ± 0.635
ea13 1342 1342/1342 1342 ± 0 5.721 5.629/6.194 5.968 ± 0.4791
ea14 1342 1342/1342 1342 ± 0 5.874 5.328/6.481 5.93 ± 0.7001
ea15 1342 1342/1342 1342 ± 0 5.444 5.02/6.047 5.593 ± 0.6411
ea16 1342 1342/1342 1342 ± 0 6.095 5.644/6.7 6.228 ± 0.6894
ea17 1342 1342/1342 1342 ± 0.00002573 5.879 5.532/6.439 6.026 ± 0.6366
ea18 1342 1342/1342 1342 ± 0 4.943 4.677/5.463 5.079 ± 0.5275
ea19 1342 1342/1342 1342 ± 0 5.894 5.485/6.476 6.034 ± 0.6066
ea20 1342 1342/1342 1342 ± 0 5.977 5.652/6.629 6.138 ± 0.6262
ea21 1342 1342/1342 1342 ± 0 5.744 5.422/6.329 5.883 ± 0.5634
ea22 1342 1342/1342 1342 ± 0.000006137 5.551 5.361/6.517 5.89 ± 0.6778
ea23 1342 1342/1342 1342 ± 0 5.991 5.439/6.39 6.037 ± 0.675
ea25 1342 1342/1342 1342 ± 0 5.491 5.103/6.018 5.62 ± 0.5735
ea26 1342 1342/1342 1342 ± 0 5.781 5.626/6.633 6.056 ± 0.6284
ea27 1342 1342/1342 1342 ± 0.0000266 5.486 5.202/6.227 5.68 ± 0.6096
ea28 1342 1342/1342 1342 ± 0.00003653 5.511 5.304/6.254 5.76 ± 0.6399
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 ± 0.00002351 5.378 5.206/5.553 5.353 ± 0.2509
3 1342 1342/1342 1342 ± 0.00002351 5.241 4.925/5.466 5.196 ± 0.3125
4 1342 1342/1342 1342 ± 0.000024 5.237 5.09/5.399 5.224 ± 0.2795
5 1342 1342/1342 1342 ± 0.00002351 5.137 4.88/5.367 5.139 ± 0.3279
6 1342 1342/1342 1342 ± 0.00002351 5.288 5.16/5.477 5.287 ± 0.2805
7 1342 1342/1342 1342 ± 0.00002351 5.348 5.098/5.475 5.309 ± 0.2666
8 1342 1342/1342 1342 ± 0.00002351 5.353 5.073/5.465 5.274 ± 0.2872
9 1342 1342/1342 1342 ± 0.00002351 5.598 5.394/5.789 5.541 ± 0.3186
10 1342 1342/1342 1342 ± 0.00002351 6.041 5.869/6.187 5.974 ± 0.3184
11 1342 1342/1342 1342 ± 0.00002351 6.223 6.025/6.402 6.179 ± 0.3298
12 1342 1342/1342 1342 ± 0.00002351 6.352 6.138/6.573 6.329 ± 0.3506
13 1342 1342/1342 1342 ± 0.00002351 6.849 6.587/6.958 6.769 ± 0.3664
14 1342 1342/1342 1342 ± 0.00002351 6.992 6.76/7.2 6.955 ± 0.398
15 1342 1342/1342 1342 ± 0.00002351 6.673 6.398/6.826 6.571 ± 0.4023
16 1342 1342/1342 1342 ± 0.0000402 5.785 5.571/6.113 5.829 ± 0.3655
17 1342 1342/1342 1342 ± 0.00003706 5.835 5.557/6.029 5.821 ± 0.3421
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38529434.eb38589592.59082.86913579861_split_split.ms
output_dir
 
Start time
2024-04-13 04:52:42.873
End
2024-04-13 06:04:12.492
Duration
1:11:29.619
Note, WebLog generation is not included in the time.

CASA logs for stage 7