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 5.242 5.134/5.852 5.251 ± 0.8916
ea02 1342 1342/1342 1342 ± 0.00004263 5.853 5.338/6.563 5.676 ± 1.053
ea04 1342 1342/1342 1342 ± 0.0000397 5.333 4.998/5.992 5.202 ± 0.9851
ea05 1342 1342/1342 1342 ± 0.000009686 5.52 5.148/6.171 5.497 ± 0.8526
ea06 1342 1342/1342 1342 ± 0.00003977 4.872 4.684/5.318 4.73 ± 0.8339
ea07 1342 1342/1342 1342 ± 0.00004361 5.562 5.3/6.069 5.42 ± 0.9545
ea08 1342 1342/1342 1342 ± 0.00004289 5.948 5.492/6.694 5.844 ± 1.13
ea09 1342 1342/1342 1342 ± 0.00001798 5.442 5.155/6.166 5.456 ± 0.8875
ea10 1342 1342/1342 1342 ± 0.00004479 5.297 5.04/6.242 5.341 ± 0.9664
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004145 5.487 5.263/6.466 5.525 ± 1.061
ea13 1342 1342/1342 1342 ± 0.00001679 5.864 5.557/6.381 5.825 ± 0.9261
ea14 1342 1342/1342 1342 ± 0.00001469 5.521 5.242/6.526 5.57 ± 0.9965
ea15 1342 1342/1342 1342 ± 0.00003829 5.391 5.093/6.231 5.394 ± 1.137
ea16 1342 1342/1342 1342 ± 0.00002059 5.673 5.378/6.243 5.551 ± 0.9898
ea17 1342 1342/1342 1342 ± 0.00004594 5.805 5.349/6.506 5.695 ± 1.077
ea18 1342 1342/1342 1342 ± 0.00004265 4.871 4.583/5.455 4.824 ± 0.7934
ea19 1342 1342/1342 1342 ± 0.000001196 5.704 5.453/6.482 5.726 ± 0.8687
ea20 1342 1342/1342 1342 ± 0.00004231 5.738 5.671/6.723 5.815 ± 1.117
ea21 1342 1342/1342 1342 ± 0.00001551 5.486 5.298/6.232 5.434 ± 0.8969
ea22 1342 1342/1342 1342 ± 0.00003136 5.425 5.131/6.303 5.497 ± 0.9612
ea23 1342 1342/1342 1342 ± 0.00004039 5.508 5.4/6.355 5.538 ± 1.021
ea25 1342 1342/1342 1342 ± 0.00004392 5.434 5.123/6.136 5.361 ± 0.9598
ea27 1342 1342/1342 1342 ± 0.00004484 5.33 5.066/6.277 5.349 ± 0.9711
ea28 1342 1342/1342 1342 ± 0.00004453 5.567 5.357/6.42 5.576 ± 1.034
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 ± 0.00002453 5.356 5.128/5.572 5.324 ± 0.2713
5 1342 1342/1342 1342 ± 0.00002461 5.366 5.179/5.469 5.339 ± 0.3631
6 1342 1342/1342 1342 ± 0.00002453 5.296 5.172/5.444 5.27 ± 0.2664
7 1342 1342/1342 1342 ± 0.00002453 5.305 5.152/5.436 5.283 ± 0.2413
8 1342 1342/1342 1342 ± 0.00002453 5.335 5.073/5.454 5.27 ± 0.2665
9 1342 1342/1342 1342 ± 0.00002453 5.559 5.42/5.745 5.515 ± 0.3052
10 1342 1342/1342 1342 ± 0.00002452 6.04 5.862/6.104 5.964 ± 0.3187
11 1342 1342/1342 1342 ± 0.00002452 6.294 6.143/6.416 6.244 ± 0.3282
12 1342 1342/1342 1342 ± 0.00002452 6.458 6.31/6.611 6.416 ± 0.3417
13 1342 1342/1342 1342 ± 0.00002468 6.642 6.332/6.759 6.525 ± 0.358
14 1342 1342/1342 1342 ± 0.00003656 6.019 5.585/6.43 6.04 ± 0.5331
15 1342 1342/1342 1342 ± 0.00002563 6.529 6.286/6.81 6.5 ± 0.4491
16 1342 1342/1342 1342 ± 0.00005513 3.315 3.146/3.559 3.339 ± 0.3342
17 1342 1342/1342 1342 ± 0.00005767 3.468 3.309/3.697 3.509 ± 0.32
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2024-11-02 11:13:20.990
End
2024-11-02 12:12:08.011
Duration
0:58:47.021
Note, WebLog generation is not included in the time.

CASA logs for stage 8