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

Statwt Summary Plot

VLASS2.1.sb38484347.eb38556700.59065.64805841435_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 5.461 5.325/6.174 5.698 ± 0.5378
ea02 1342 1342/1342 1342 ± 0.00003604 5.815 5.341/6.463 5.915 ± 0.6203
ea04 1342 1342/1342 1342 ± 0 5.313 5.07/5.958 5.51 ± 0.5597
ea05 1342 1342/1342 1342 ± 0.000003373 5.665 5.307/6.453 5.911 ± 0.6245
ea06 1342 1342/1342 1342 ± 0 3.19 2.849/3.402 3.112 ± 0.3916
ea07 1342 1342/1342 1342 ± 0 5.739 5.59/5.839 5.756 ± 0.205
ea08 1342 1342/1342 1342 ± 0.00003581 6.001 5.708/6.915 6.218 ± 0.7535
ea09 1342 1342/1342 1342 ± 0.000003954 5.316 5.069/6 5.534 ± 0.5205
ea10 1342 1342/1342 1342 ± 0.00004272 5.678 5.322/6.588 5.839 ± 0.6835
ea11 1342 1342/1342 1342 ± 0.00002666 5.962 5.528/6.559 5.947 ± 0.756
ea12 1342 1342/1342 1342 ± 0 5.774 5.578/6.619 5.988 ± 0.7231
ea13 1342 1342/1342 1342 ± 0.000004914 5.772 5.447/6.151 5.889 ± 0.5281
ea14 1342 1342/1342 1342 ± 0.000008331 5.741 5.373/6.612 5.959 ± 0.6948
ea15 1342 1342/1342 1342 ± 0 5.511 5.356/6.363 5.804 ± 0.6503
ea16 1342 1342/1342 1342 ± 0.00000533 4.974 4.672/5.473 5.084 ± 0.4641
ea17 1342 1342/1342 1342 ± 0.00004267 5.999 5.552/6.854 6.093 ± 0.7489
ea18 1342 1342/1342 1342 ± 0.000008581 5.074 4.934/5.77 5.248 ± 0.557
ea19 1342 1342/1342 1342 ± 0.000006104 6.687 6.136/7.029 6.505 ± 0.7547
ea20 1342 1342/1342 1342 ± 0 6.139 5.969/7.019 6.328 ± 0.7943
ea21 1342 1342/1342 1342 ± 0.000008743 5.891 5.371/6.459 5.946 ± 0.641
ea22 1342 1342/1342 1342 ± 0.00001959 5.359 5.164/6.075 5.601 ± 0.5818
ea23 1342 1342/1342 1342 ± 0.00002586 5.851 5.509/6.607 6.001 ± 0.7716
ea25 1342 1342/1342 1342 ± 0.00004028 5.286 4.429/5.484 4.947 ± 0.7328
ea26 1342 1342/1342 1342 ± 0.00001056 5.647 5.515/6.65 6.007 ± 0.6292
ea27 1342 1342/1342 1342 ± 0.00004272 5.668 5.285/6.559 5.822 ± 0.6757
ea28 1342 1342/1342 1342 ± 0.00005258 6.453 5.887/6.888 6.222 ± 0.7784
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 5.341 5.196/5.502 5.225 ± 0.6619
5 1342 1342/1342 1342 ± 0.0000244 5.487 5.326/5.76 5.396 ± 0.6378
6 1342 1342/1342 1342 ± 0.0000244 5.445 5.232/5.547 5.297 ± 0.5863
7 1342 1342/1342 1342 ± 0.0000244 5.472 5.215/5.591 5.343 ± 0.5804
8 1342 1342/1342 1342 ± 0.0000244 5.373 5.081/5.693 5.323 ± 0.6162
9 1342 1342/1342 1342 ± 0.0000244 5.683 5.273/5.909 5.527 ± 0.6393
10 1342 1342/1342 1342 ± 0.00002423 6.16 5.843/6.298 5.947 ± 0.6788
11 1342 1342/1342 1342 ± 0.00002408 6.409 6.024/6.554 6.168 ± 0.7196
12 1342 1342/1342 1342 ± 0.00002392 6.554 6.137/6.631 6.271 ± 0.7599
13 1342 1342/1342 1342 ± 0.00002392 6.893 6.435/7.027 6.616 ± 0.7778
14 1342 1342/1342 1342 ± 0.000024 6.997 6.618/7.171 6.763 ± 0.7375
15 1342 1342/1342 1342 ± 0.00002423 6.476 6.129/6.697 6.338 ± 0.5863
16 1342 1342/1342 1342 ± 0.00005812 4.89 4.688/5.144 4.852 ± 0.4692
17 1342 1342/1342 1342 ± 0.00005661 4.993 4.847/5.263 4.933 ± 0.5239
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38484347.eb38556700.59065.64805841435_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-05 05:40:36.722
End
2024-12-05 06:43:29.773
Duration
1:02:53.052
Note, WebLog generation is not included in the time.

CASA logs for stage 8