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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.537 5.275/6.31 5.649 ± 0.7193
ea02 1342 1342/1342 1342 ± 0.00004306 6.006 5.46/6.664 5.947 ± 0.8834
ea04 1342 1342/1342 1342 ± 0.00003036 5.403 5.239/6.044 5.545 ± 0.6733
ea05 1342 1342/1342 1342 ± 0.00001718 5.487 5.208/6.613 5.863 ± 0.8001
ea06 1342 1342/1342 1342 ± 0.00003712 5.119 4.834/5.842 5.283 ± 0.6155
ea07 1342 1342/1342 1342 ± 0.00004033 5.976 5.482/6.352 5.905 ± 0.7896
ea09 1342 1342/1342 1342 ± 0.00002293 5.245 5.028/5.919 5.368 ± 0.5693
ea10 1342 1342/1342 1342 ± 0.00004576 5.244 4.845/5.963 5.3 ± 0.6843
ea11 1342 1342/1342 1342 ± 0.00004319 6.017 5.519/6.727 5.968 ± 0.8642
ea12 1342 1342/1342 1342 ± 0.00004116 5.732 5.617/6.496 5.992 ± 0.8249
ea13 1342 1342/1342 1342 ± 0.00001128 6.247 5.473/6.407 6.066 ± 0.7136
ea14 1342 1342/1342 1342 ± 0.00003916 5.708 5.378/6.701 5.935 ± 0.8913
ea15 1342 1342/1342 1342 ± 0.0000274 5.757 5.484/6.494 5.873 ± 0.8583
ea16 1342 1342/1342 1342 ± 0.00002398 5.911 5.509/6.755 6.006 ± 0.9856
ea17 1342 1342/1342 1342 ± 0.00004436 5.966 5.587/6.677 6.053 ± 0.9017
ea18 1342 1342/1342 1342 ± 0.00004206 5.024 4.819/5.679 5.198 ± 0.628
ea19 1342 1342/1342 1342 ± 0.00002396 5.868 5.575/6.797 6.04 ± 0.836
ea20 1342 1342/1342 1342 ± 0.00004323 6.19 5.905/7.034 6.321 ± 0.9165
ea21 1342 1342/1342 1342 ± 0.00003017 5.614 5.145/6.383 5.742 ± 0.815
ea22 1342 1342/1342 1342 ± 0.00003142 5.549 5.11/6.528 5.776 ± 0.8092
ea23 1342 1342/1342 1342 ± 0.00004184 5.966 5.503/6.768 6.049 ± 0.9434
ea24 1342 1342/1342 1342 ± 0.00001268 5.264 4.931/6.189 5.481 ± 0.6974
ea25 1342 1342/1342 1342 ± 0.0000442 5.642 5.208/6.287 5.735 ± 0.7702
ea26 1342 1342/1342 1342 ± 0.00002176 5.867 5.752/6.913 6.151 ± 0.8327
ea27 1342 1342/1342 1342 ± 0.0000431 5.759 5.387/6.679 5.863 ± 0.8158
ea28 1342 1342/1342 1342 ± 0.00004162 5.772 5.636/6.771 6.017 ± 0.8978
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 ± 0.00002364 5.277 5.066/5.461 5.226 ± 0.3087
3 1342 1342/1342 1342 ± 0.000041 5.491 5.267/5.774 5.514 ± 0.4113
5 1342 1342/1342 1342 ± 0.00002368 5.759 5.467/5.982 5.711 ± 0.4655
6 1342 1342/1342 1342 ± 0.00002364 5.551 5.203/5.639 5.453 ± 0.2893
7 1342 1342/1342 1342 ± 0.00002364 5.541 5.322/5.698 5.503 ± 0.293
8 1342 1342/1342 1342 ± 0.00002364 5.48 5.161/5.59 5.414 ± 0.3373
9 1342 1342/1342 1342 ± 0.00002378 5.732 5.311/5.861 5.632 ± 0.3253
10 1342 1342/1342 1342 ± 0.00002364 6.166 5.967/6.28 6.086 ± 0.3092
11 1342 1342/1342 1342 ± 0.00002364 6.406 6.056/6.58 6.365 ± 0.3206
12 1342 1342/1342 1342 ± 0.00002364 6.54 6.346/6.764 6.528 ± 0.3645
13 1342 1342/1342 1342 ± 0.00002364 6.921 6.692/7.245 6.891 ± 0.4255
14 1342 1342/1342 1342 ± 0.00002364 7.274 6.91/7.378 7.1 ± 0.4411
15 1342 1342/1342 1342 ± 0.00002366 6.569 6.221/6.962 6.548 ± 0.5221
16 1342 1342/1342 1342 ± 0.0000536 4.411 4.283/4.547 4.41 ± 0.1786
17 1342 1342/1342 1342 ± 0.00005986 4.52 4.386/4.715 4.566 ± 0.2638
datacolumn
residual_data
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-04-20 20:14:35.915
End
2024-04-20 20:58:05.406
Duration
0:43:29.491
Note, WebLog generation is not included in the time.

CASA logs for stage 7