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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.358 5.191/6.099 5.654 ± 0.6195
ea02 1342 1342/1342 1342 ± 0.00003311 6.008 5.436/6.651 5.981 ± 0.8425
ea04 1342 1342/1342 1342 ± 0.000008864 5.396 5.019/5.916 5.458 ± 0.6602
ea05 1342 1342/1342 1342 ± 0.0000285 5.778 4.998/6.326 5.689 ± 0.7906
ea06 1342 1342/1342 1342 ± 0 5.044 4.669/5.425 5.072 ± 0.4379
ea07 1342 1342/1342 1342 ± 0.000003555 6.181 5.583/6.764 6.144 ± 0.5994
ea08 1342 1342/1342 1342 ± 0.00003036 6.64 5.495/6.947 6.162 ± 0.8987
ea09 1342 1342/1342 1342 ± 0 5.72 5.258/6.472 5.853 ± 0.6427
ea10 1342 1342/1342 1342 ± 0.00002453 5.571 5.262/6.692 5.926 ± 0.7915
ea11 1342 1342/1342 1342 ± 0.00002418 6.104 5.095/6.484 5.831 ± 0.8303
ea12 1342 1342/1342 1342 ± 0 5.942 5.3/6.732 5.991 ± 0.6984
ea13 1342 1342/1342 1342 ± 0.000004546 6.275 5.499/6.356 6.036 ± 0.6783
ea14 1342 1342/1342 1342 ± 0 5.702 5.328/6.421 5.919 ± 0.6547
ea15 1342 1342/1342 1342 ± 0.00001151 5.136 5.006/6.197 5.504 ± 0.827
ea16 1342 1342/1342 1342 ± 0.00002204 5.981 5.583/6.795 6.115 ± 0.8846
ea17 1342 1342/1342 1342 ± 0.00002753 5.646 5.54/6.936 6.028 ± 0.8154
ea18 1342 1342/1342 1342 ± 0.00001836 5.098 4.643/5.705 5.17 ± 0.5749
ea19 1342 1342/1342 1342 ± 0.00003254 5.96 5.547/7.396 6.437 ± 1.526
ea20 1342 1342/1342 1342 ± 0.00002553 5.876 5.614/6.876 6.074 ± 0.8968
ea21 1342 1342/1342 1342 ± 0.00001928 6.003 5.313/6.367 5.813 ± 0.7579
ea22 1342 1342/1342 1342 ± 0.00003084 5.807 4.936/6.422 5.641 ± 0.8694
ea23 1342 1342/1342 1342 ± 0.000001381 6.143 5.434/6.746 6.116 ± 0.7306
ea25 1342 1342/1342 1342 ± 0.00002613 5.679 5.162/6.278 5.722 ± 0.7514
ea26 1342 1342/1342 1342 ± 0.00002172 5.997 5.721/6.935 6.198 ± 0.8374
ea27 1342 1342/1342 1342 ± 0.00002428 5.398 5.242/6.491 5.736 ± 0.7467
ea28 1342 1342/1342 1342 ± 0.00002834 5.534 5.29/6.539 5.812 ± 0.8711
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 ± 0.0000248 5.398 5.197/5.621 5.418 ± 0.3032
5 1342 1342/1342 1342 ± 0.00002681 5.544 5.314/5.84 5.547 ± 0.3691
6 1342 1342/1342 1342 ± 0.00002352 5.29 5.06/5.468 5.259 ± 0.2918
7 1342 1342/1342 1342 ± 0.00002426 5.283 5.086/5.507 5.264 ± 0.2774
8 1342 1342/1342 1342 ± 0.00002376 5.24 5.012/5.383 5.218 ± 0.2913
9 1342 1342/1342 1342 ± 0.00002352 5.349 5.166/5.597 5.347 ± 0.3396
10 1342 1342/1342 1342 ± 0.00002372 6.006 5.919/6.194 6.027 ± 0.4173
11 1342 1342/1342 1342 ± 0.00002372 6.32 6.162/6.428 6.361 ± 0.8342
12 1342 1342/1342 1342 ± 0.00002352 6.462 6.302/6.681 6.473 ± 0.435
13 1342 1342/1342 1342 ± 0.00002352 6.843 6.753/7.027 6.818 ± 0.3914
14 1342 1342/1342 1342 ± 0.00002352 6.992 6.815/7.218 6.954 ± 0.4271
15 1342 1342/1342 1342 ± 0.00002438 6.649 6.396/6.833 6.55 ± 0.4262
16 1342 1342/1342 1342 ± 0.00005942 4.125 3.994/4.286 4.135 ± 0.2045
17 1342 1342/1342 1342 ± 0.00005815 4.343 4.192/4.508 4.343 ± 0.2182
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-02 14:08:39.300
End
2024-11-02 15:04:58.252
Duration
0:56:18.952
Note, WebLog generation is not included in the time.

CASA logs for stage 8