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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.759 5.234/6.237 5.63 ± 0.7249
ea02 1342 1342/1342 1342 ± 0.00004155 6.156 5.333/6.664 5.924 ± 0.9123
ea04 1342 1342/1342 1342 ± 0.00003894 5.369 5.033/6.037 5.466 ± 0.7784
ea05 1342 1342/1342 1342 ± 0.0000128 5.369 4.981/6.394 5.623 ± 0.8684
ea06 1342 1342/1342 1342 ± 0.00003956 5.335 4.815/5.877 5.251 ± 0.7283
ea07 1342 1342/1342 1342 ± 0.00003273 5.722 5.254/6.215 5.713 ± 0.808
ea09 1342 1342/1342 1342 ± 0.00003237 5.528 5.027/6.205 5.45 ± 0.8061
ea10 1342 1342/1342 1342 ± 0.00003466 5.212 4.827/5.834 5.259 ± 0.6822
ea11 1342 1342/1342 1342 ± 0.00003756 5.916 5.39/6.581 5.834 ± 0.875
ea12 1342 1342/1342 1342 ± 0.00003989 5.724 5.409/6.634 5.843 ± 0.9135
ea13 1342 1342/1342 1342 ± 0.00002683 5.632 5.475/6.227 5.789 ± 0.85
ea14 1342 1342/1342 1342 ± 0.00003252 5.803 5.328/6.619 5.866 ± 0.9313
ea15 1342 1342/1342 1342 ± 0.00003875 5.762 5.296/6.541 5.791 ± 0.9431
ea16 1342 1342/1342 1342 ± 0.00002837 6.08 5.362/6.77 5.945 ± 1.073
ea17 1342 1342/1342 1342 ± 0.00003953 6.051 5.344/6.686 5.955 ± 0.9422
ea18 1342 1342/1342 1342 ± 0.00003875 4.949 4.813/5.625 5.063 ± 0.6587
ea19 1342 1342/1342 1342 ± 0.00001673 5.67 5.415/6.728 5.856 ± 0.9546
ea20 1342 1342/1342 1342 ± 0.00003917 5.998 5.922/6.993 6.176 ± 0.9687
ea21 1342 1342/1342 1342 ± 0.00002452 5.583 5.315/6.351 5.684 ± 0.8758
ea22 1342 1342/1342 1342 ± 0.00003954 5.753 5.11/6.461 5.673 ± 0.9632
ea23 1342 1342/1342 1342 ± 0.00003209 5.817 5.438/6.618 5.901 ± 0.9058
ea24 1342 1342/1342 1342 ± 0.00002204 5.635 4.777/6.119 5.382 ± 0.8275
ea25 1342 1342/1342 1342 ± 0.00003797 5.594 5.272/6.371 5.663 ± 0.8266
ea26 1342 1342/1342 1342 ± 0.0000208 5.778 5.581/6.788 6.054 ± 0.8798
ea27 1342 1342/1342 1342 ± 0.00003779 5.578 5.228/6.498 5.709 ± 0.8262
ea28 1342 1342/1342 1342 ± 0.00003926 5.831 5.436/6.689 5.938 ± 0.8957
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 ± 0.0000235 5.335 5.197/5.571 5.336 ± 0.31
5 1342 1342/1342 1342 ± 0.00002348 5.429 5.275/5.635 5.453 ± 0.3977
6 1342 1342/1342 1342 ± 0.0000235 5.269 4.998/5.416 5.213 ± 0.255
7 1342 1342/1342 1342 ± 0.0000237 5.326 5.144/5.466 5.3 ± 0.2569
8 1342 1342/1342 1342 ± 0.0000237 5.323 5.036/5.424 5.266 ± 0.2969
9 1342 1342/1342 1342 ± 0.00002573 5.599 5.336/5.804 5.571 ± 0.2929
10 1342 1342/1342 1342 ± 0.0000235 6.088 5.828/6.16 6.014 ± 0.2831
11 1342 1342/1342 1342 ± 0.0000235 6.387 6.033/6.524 6.3 ± 0.2968
12 1342 1342/1342 1342 ± 0.0000235 6.456 6.218/6.694 6.465 ± 0.341
13 1342 1342/1342 1342 ± 0.00002392 6.598 6.352/6.833 6.541 ± 0.4123
14 1342 1342/1342 1342 ± 0.0000235 7.031 6.703/7.222 6.919 ± 0.4165
15 1342 1342/1342 1342 ± 0.00003 6.549 6.284/6.807 6.503 ± 0.4225
16 1342 1342/1342 1342 ± 0.0000527 3.854 3.765/3.946 3.86 ± 0.156
17 1342 1342/1342 1342 ± 0.00005306 3.971 3.809/4.132 3.975 ± 0.2763
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-10-31 12:09:14.302
End
2024-10-31 13:01:04.869
Duration
0:51:50.567
Note, WebLog generation is not included in the time.

CASA logs for stage 8