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 5.661 5.08/5.947 5.497 ± 0.6198
ea02 1342 1342/1342 1342 ± 0.00003746 6.033 5.141/6.448 5.803 ± 0.8517
ea04 1342 1342/1342 1342 ± 0.00003577 5.178 4.829/5.909 5.249 ± 0.7159
ea05 1342 1342/1342 1342 ± 0.00002466 5.322 4.938/6.344 5.563 ± 0.9014
ea06 1342 1342/1342 1342 ± 0.00003657 5.427 4.379/5.521 4.928 ± 0.7271
ea07 1342 1342/1342 1342 ± 0.00002165 5.866 5.175/6.388 5.692 ± 0.6742
ea08 1342 1342/1342 1342 ± 0.00002376 6.506 5.463/6.717 6.143 ± 0.8181
ea09 1342 1342/1342 1342 ± 0.00003423 5.446 5.004/6.262 5.487 ± 0.9025
ea10 1342 1342/1342 1342 ± 0.00002367 5.976 4.922/6.187 5.612 ± 0.7037
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003456 5.404 5.08/6.287 5.568 ± 0.8125
ea13 1342 1342/1342 1342 ± 0.00002432 5.522 5.347/6.107 5.709 ± 0.8484
ea14 1342 1342/1342 1342 ± 0.00003288 5.582 5.177/6.445 5.774 ± 0.9251
ea15 1342 1342/1342 1342 ± 0.00003615 5.315 4.973/6.096 5.47 ± 0.8649
ea16 1342 1342/1342 1342 ± 0.00003258 5.61 5.211/6.459 5.72 ± 0.9789
ea17 1342 1342/1342 1342 ± 0.00002755 5.948 5.433/6.717 5.981 ± 0.7924
ea18 1342 1342/1342 1342 ± 0.00002836 4.996 4.628/5.418 4.947 ± 0.545
ea19 1342 1342/1342 1342 ± 0.00001647 5.545 5.28/6.604 5.789 ± 0.9616
ea20 1342 1342/1342 1342 ± 0.0000324 6.183 5.524/6.543 5.915 ± 0.821
ea21 1342 1342/1342 1342 ± 0.00002863 5.386 5.1/6.149 5.569 ± 0.8427
ea22 1342 1342/1342 1342 ± 0.00003592 5.337 5.03/6.374 5.579 ± 0.9272
ea23 1342 1342/1342 1342 ± 0.00002488 5.959 5.294/6.742 5.88 ± 0.8728
ea25 1342 1342/1342 1342 ± 0.00002508 5.429 5.019/6.146 5.53 ± 0.6781
ea27 1342 1342/1342 1342 ± 0.00002527 5.346 5.056/6.206 5.546 ± 0.672
ea28 1342 1342/1342 1342 ± 0.00002744 5.891 5.198/6.523 5.809 ± 0.7746
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 ± 0.00002441 5.207 5.034/5.407 5.174 ± 0.2751
5 1342 1342/1342 1342 ± 0.00004037 5.034 4.797/5.189 4.991 ± 0.2158
6 1342 1342/1342 1342 ± 0.00002441 5.104 4.998/5.285 5.095 ± 0.2725
7 1342 1342/1342 1342 ± 0.00002441 5.121 4.953/5.233 5.087 ± 0.2485
8 1342 1342/1342 1342 ± 0.00002441 5.146 4.934/5.282 5.083 ± 0.2805
9 1342 1342/1342 1342 ± 0.00002479 5.414 5.303/5.615 5.396 ± 0.2991
10 1342 1342/1342 1342 ± 0.00002441 5.872 5.714/5.958 5.822 ± 0.2852
11 1342 1342/1342 1342 ± 0.00002441 6.11 5.988/6.269 6.095 ± 0.2986
12 1342 1342/1342 1342 ± 0.00002441 6.297 6.092/6.437 6.264 ± 0.3071
13 1342 1342/1342 1342 ± 0.00002457 6.529 6.214/6.671 6.463 ± 0.3796
14 1342 1342/1342 1342 ± 0.00002533 6.646 6.212/6.941 6.55 ± 0.4878
15 1342 1342/1342 1342 ± 0.00003228 6.574 6.373/6.794 6.532 ± 0.396
16 1342 1342/1342 1342 ± 0.00004979 3.629 3.495/3.77 3.633 ± 0.2096
17 1342 1342/1342 1342 ± 0.00004829 3.725 3.496/3.961 3.739 ± 0.3809
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-02 10:15:52.677
End
2024-11-02 11:19:29.691
Duration
1:03:37.014
Note, WebLog generation is not included in the time.

CASA logs for stage 8