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 5.342 5.143/6.141 5.531 ± 0.7204
ea02 1342 1342/1342 1342 ± 0.00004332 5.781 5.22/6.667 5.913 ± 0.8682
ea04 1342 1342/1342 1342 ± 0.00001694 5.555 4.92/6.018 5.476 ± 0.7724
ea05 1342 1342/1342 1342 ± 0.00001216 6.009 5.081/6.438 5.812 ± 0.8079
ea06 1342 1342/1342 1342 ± 0.00002767 4.918 4.489/5.273 4.861 ± 0.5297
ea07 1342 1342/1342 1342 ± 0.00004158 5.83 5.247/6.386 5.874 ± 0.9087
ea08 1342 1342/1342 1342 ± 0.00004404 5.7 5.384/6.815 6.052 ± 1.001
ea09 1342 1342/1342 1342 ± 0.00002248 5.749 5.044/6.552 5.765 ± 0.792
ea10 1342 1342/1342 1342 ± 0.00004321 5.649 5.125/6.706 5.79 ± 0.9738
ea11 1342 1342/1342 1342 ± 0.00004377 5.622 5.087/6.502 5.782 ± 0.9206
ea12 1342 1342/1342 1342 ± 0.00003469 5.936 5.149/6.465 5.766 ± 0.8777
ea13 1342 1342/1342 1342 ± 0.00000982 5.968 5.492/6.383 5.981 ± 0.6974
ea14 1342 1342/1342 1342 ± 0.00003913 5.568 5.198/6.507 5.763 ± 0.8883
ea15 1342 1342/1342 1342 ± 0.000009758 5.249 4.97/6.229 5.57 ± 0.8707
ea16 1342 1342/1342 1342 ± 0.00002379 5.922 5.455/6.939 6.07 ± 1.011
ea17 1342 1342/1342 1342 ± 0.00004406 5.635 5.487/6.786 5.933 ± 0.9513
ea18 1342 1342/1342 1342 ± 0.00004373 5.148 4.653/5.579 5.095 ± 0.6561
ea19 1342 1342/1342 1342 ± 0.00002639 6.157 5.535/6.771 6.12 ± 0.8847
ea20 1342 1342/1342 1342 ± 0.00004366 6.159 5.619/6.794 6.08 ± 0.9815
ea21 1342 1342/1342 1342 ± 0.00003305 5.643 5.324/6.468 5.77 ± 0.8648
ea22 1342 1342/1342 1342 ± 0.0000313 5.2 4.916/6.376 5.614 ± 0.7679
ea23 1342 1342/1342 1342 ± 0.00004309 5.744 5.364/6.711 5.957 ± 1.015
ea25 1342 1342/1342 1342 ± 0.00004354 5.493 5.118/6.148 5.605 ± 0.8258
ea26 1342 1342/1342 1342 ± 0.00002183 5.942 5.634/6.905 6.157 ± 0.8494
ea27 1342 1342/1342 1342 ± 0.00004364 5.517 5.213/6.488 5.696 ± 0.8657
ea28 1342 1342/1342 1342 ± 0.00004408 5.809 5.304/6.594 5.87 ± 0.9266
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 ± 0.00002348 5.572 5.344/5.879 5.614 ± 0.329
5 1342 1342/1342 1342 ± 0.00004231 5.427 5.099/5.653 5.381 ± 0.3451
6 1342 1342/1342 1342 ± 0.00002348 5.174 4.996/5.369 5.16 ± 0.2843
7 1342 1342/1342 1342 ± 0.00002348 5.213 5.089/5.386 5.22 ± 0.2772
8 1342 1342/1342 1342 ± 0.00002348 5.315 5.067/5.409 5.214 ± 0.2968
9 1342 1342/1342 1342 ± 0.00002363 5.521 5.247/5.702 5.472 ± 0.316
10 1342 1342/1342 1342 ± 0.00002348 6.071 5.914/6.27 6.028 ± 0.3323
11 1342 1342/1342 1342 ± 0.00002348 6.388 6.17/6.501 6.316 ± 0.3518
12 1342 1342/1342 1342 ± 0.00002348 6.573 6.376/6.733 6.515 ± 0.38
13 1342 1342/1342 1342 ± 0.00002348 7.029 6.723/7.213 6.946 ± 0.4229
14 1342 1342/1342 1342 ± 0.00002348 7.236 6.995/7.454 7.144 ± 0.4629
15 1342 1342/1342 1342 ± 0.00002371 6.52 6.247/6.858 6.492 ± 0.5222
16 1342 1342/1342 1342 ± 0.00005698 4.358 4.218/4.602 4.398 ± 0.2494
17 1342 1342/1342 1342 ± 0.00005933 4.451 4.308/4.664 4.497 ± 0.2853
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-11-02 15:56:11.735
End
2024-11-02 16:59:59.796
Duration
1:03:48.061
Note, WebLog generation is not included in the time.

CASA logs for stage 8