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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.213 5.053/5.792 5.339 ± 0.7624
ea02 1342 1342/1342 1342 ± 0.00004784 5.848 5.25/6.515 5.596 ± 1.024
ea04 1342 1342/1342 1342 ± 0.00004076 5.223 4.899/5.849 5.108 ± 0.9657
ea05 1342 1342/1342 1342 ± 0.000009227 5.365 5.025/6.013 5.34 ± 0.844
ea06 1342 1342/1342 1342 ± 0.00004415 5.024 4.308/5.419 4.684 ± 0.8914
ea07 1342 1342/1342 1342 ± 0.00003134 5.449 5.212/5.996 5.4 ± 0.8756
ea08 1342 1342/1342 1342 ± 0.00004332 5.914 5.412/6.646 5.786 ± 1.135
ea09 1342 1342/1342 1342 ± 0.00003378 5.525 5.07/6.084 5.397 ± 0.9132
ea10 1342 1342/1342 1342 ± 0.00003591 5.368 4.979/6.197 5.412 ± 0.8243
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004207 5.347 5.053/6.368 5.382 ± 1.04
ea13 1342 1342/1342 1342 ± 0.00001895 5.607 5.467/6.195 5.636 ± 0.9115
ea14 1342 1342/1342 1342 ± 0.00001557 5.594 5.232/6.413 5.48 ± 0.9884
ea15 1342 1342/1342 1342 ± 0.00003382 5.328 5.028/6.127 5.287 ± 1.131
ea16 1342 1342/1342 1342 ± 0.00001825 5.544 5.225/6.111 5.418 ± 0.9595
ea17 1342 1342/1342 1342 ± 0.00004064 5.923 5.306/6.436 5.795 ± 0.9397
ea18 1342 1342/1342 1342 ± 0.00004231 4.863 4.655/5.37 4.839 ± 0.7521
ea19 1342 1342/1342 1342 ± 0.000003402 5.566 5.292/6.314 5.579 ± 0.8609
ea20 1342 1342/1342 1342 ± 0.00003746 5.659 5.554/6.606 5.814 ± 0.9733
ea21 1342 1342/1342 1342 ± 0.00001524 5.305 5.04/6.07 5.294 ± 0.8658
ea22 1342 1342/1342 1342 ± 0.00003979 5.392 5.085/6.256 5.437 ± 0.9546
ea23 1342 1342/1342 1342 ± 0.00001825 5.567 5.275/6.24 5.603 ± 0.8536
ea25 1342 1342/1342 1342 ± 0.00004394 5.413 4.971/6.057 5.287 ± 0.9259
ea27 1342 1342/1342 1342 ± 0.00004229 5.256 5.026/6.191 5.3 ± 0.9318
ea28 1342 1342/1342 1342 ± 0.00004503 5.487 5.268/6.336 5.499 ± 1.016
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 ± 0.0000244 5.241 5.012/5.394 5.194 ± 0.2955
5 1342 1342/1342 1342 ± 0.00003397 5.175 5.01/5.366 5.191 ± 0.3064
6 1342 1342/1342 1342 ± 0.0000244 5.176 5.048/5.297 5.145 ± 0.3
7 1342 1342/1342 1342 ± 0.00002473 5.213 5.068/5.279 5.183 ± 0.2263
8 1342 1342/1342 1342 ± 0.00002473 5.226 5.03/5.356 5.189 ± 0.2462
9 1342 1342/1342 1342 ± 0.0000244 5.461 5.336/5.651 5.438 ± 0.3389
10 1342 1342/1342 1342 ± 0.00002439 5.952 5.741/6.013 5.885 ± 0.3003
11 1342 1342/1342 1342 ± 0.00002439 6.138 6.047/6.318 6.139 ± 0.313
12 1342 1342/1342 1342 ± 0.00002439 6.316 6.123/6.46 6.294 ± 0.3181
13 1342 1342/1342 1342 ± 0.00002447 6.505 6.204/6.635 6.389 ± 0.3325
14 1342 1342/1342 1342 ± 0.00003469 5.918 5.492/6.326 5.927 ± 0.5021
15 1342 1342/1342 1342 ± 0.00002589 6.383 6.078/6.633 6.329 ± 0.4327
16 1342 1342/1342 1342 ± 0.00005616 3.302 3.13/3.524 3.31 ± 0.3152
17 1342 1342/1342 1342 ± 0.00006 3.501 3.336/3.714 3.536 ± 0.4383
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-11-02 20:18:54.951
End
2024-11-02 21:20:12.472
Duration
1:01:17.521
Note, WebLog generation is not included in the time.

CASA logs for stage 8