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 5.633 5.145/6.202 5.582 ± 0.7795
ea02 1342 1342/1342 1342 ± 0.00004708 5.797 5.246/6.701 5.864 ± 0.9328
ea04 1342 1342/1342 1342 ± 0.00001572 5.374 5.001/6.127 5.477 ± 0.7725
ea05 1342 1342/1342 1342 ± 0.00002817 5.972 5.116/6.435 5.787 ± 0.8167
ea06 1342 1342/1342 1342 ± 0.00002246 5.048 4.558/5.347 4.867 ± 0.5778
ea07 1342 1342/1342 1342 ± 0.00004246 5.981 5.351/6.439 5.864 ± 0.9365
ea08 1342 1342/1342 1342 ± 0.00004297 5.935 5.445/6.876 6.068 ± 1.012
ea09 1342 1342/1342 1342 ± 0.00002557 5.79 5.077/6.609 5.725 ± 0.8927
ea10 1342 1342/1342 1342 ± 0.00003036 5.889 5.39/6.863 6.03 ± 0.8387
ea11 1342 1342/1342 1342 ± 0.00004283 5.624 5.101/6.602 5.788 ± 0.9504
ea12 1342 1342/1342 1342 ± 0.00002868 6.041 5.338/6.654 5.84 ± 0.9737
ea13 1342 1342/1342 1342 ± 0.00001586 6.102 5.64/6.449 6.016 ± 0.7926
ea14 1342 1342/1342 1342 ± 0.00003876 5.691 5.213/6.576 5.841 ± 0.8564
ea15 1342 1342/1342 1342 ± 0.00001538 5.358 5.057/6.298 5.576 ± 0.8841
ea16 1342 1342/1342 1342 ± 0.00003745 6.033 5.622/6.987 6.17 ± 0.9893
ea17 1342 1342/1342 1342 ± 0.00004277 5.786 5.413/7.078 5.969 ± 0.9908
ea18 1342 1342/1342 1342 ± 0.00004184 5.191 4.738/5.793 5.176 ± 0.6943
ea19 1342 1342/1342 1342 ± 0.00001498 6.087 5.607/6.839 6.177 ± 0.8716
ea20 1342 1342/1342 1342 ± 0.0000379 6.236 5.554/7.056 6.113 ± 1.044
ea21 1342 1342/1342 1342 ± 0.0000365 5.729 5.391/6.518 5.809 ± 0.8228
ea22 1342 1342/1342 1342 ± 0.00003849 5.2 4.985/6.417 5.547 ± 0.8675
ea23 1342 1342/1342 1342 ± 0.00004267 5.865 5.451/6.783 5.955 ± 0.9923
ea25 1342 1342/1342 1342 ± 0.00004201 5.561 5.223/6.438 5.655 ± 0.8524
ea26 1342 1342/1342 1342 ± 0.00002904 6.027 5.603/7.001 6.135 ± 0.9605
ea27 1342 1342/1342 1342 ± 0.00004177 5.655 5.119/6.668 5.722 ± 0.8967
ea28 1342 1342/1342 1342 ± 0.00004344 5.98 5.226/6.641 5.831 ± 0.9705
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 ± 0.00002355 5.784 5.588/6.029 5.794 ± 0.3339
5 1342 1342/1342 1342 ± 0.00002701 5.45 5.055/5.582 5.37 ± 0.3352
6 1342 1342/1342 1342 ± 0.00002355 5.318 5.12/5.418 5.277 ± 0.2855
7 1342 1342/1342 1342 ± 0.00002355 5.326 5.163/5.499 5.305 ± 0.2816
8 1342 1342/1342 1342 ± 0.00002355 5.344 5.121/5.478 5.309 ± 0.3058
9 1342 1342/1342 1342 ± 0.00002355 5.633 5.358/5.854 5.566 ± 0.3548
10 1342 1342/1342 1342 ± 0.00002355 6.118 5.928/6.34 6.076 ± 0.3356
11 1342 1342/1342 1342 ± 0.00002355 6.466 6.269/6.53 6.37 ± 0.3499
12 1342 1342/1342 1342 ± 0.00002355 6.624 6.435/6.784 6.569 ± 0.3836
13 1342 1342/1342 1342 ± 0.00002355 7.008 6.79/7.131 6.967 ± 0.4233
14 1342 1342/1342 1342 ± 0.00002355 7.106 6.893/7.336 7.068 ± 0.48
15 1342 1342/1342 1342 ± 0.00002427 6.795 6.551/7.026 6.715 ± 0.4695
16 1342 1342/1342 1342 ± 0.00005686 4.196 4.068/4.357 4.215 ± 0.2131
17 1342 1342/1342 1342 ± 0.0000574 4.268 4.132/4.446 4.3 ± 0.2613
statwtmode
VLASS-SE
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-11-02 20:34:11.037
End
2024-11-02 21:29:41.526
Duration
0:55:30.489
Note, WebLog generation is not included in the time.

CASA logs for stage 8