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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.904 5.572/6.538 6.091 ± 0.6155
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00000663 5.787 5.212/6.602 5.918 ± 0.6677
ea06 1342 1342/1342 1342 ± 0 6.116 5.415/6.388 5.983 ± 0.5951
ea07 1342 1342/1342 1342 ± 0 6.093 5.373/6.391 6.02 ± 0.6366
ea08 1342 1342/1342 1342 ± 0.00003105 5.892 5.611/6.635 6.148 ± 0.6454
ea09 1342 1342/1342 1342 ± 0.00002357 5.737 5.296/6.648 5.929 ± 0.6875
ea10 1342 1342/1342 1342 ± 0 6.128 5.384/6.729 6.104 ± 0.6455
ea11 1342 1342/1342 1342 ± 0 6.025 5.343/6.56 6.045 ± 0.6837
ea12 1342 1342/1342 1342 ± 0 6.131 5.483/6.616 6.125 ± 0.6721
ea13 1342 1342/1342 1342 ± 0.00002942 5.8 5.681/6.353 6.065 ± 0.5048
ea14 1342 1342/1342 1342 ± 0 6.326 5.699/6.867 6.36 ± 0.7257
ea15 1342 1342/1342 1342 ± 0 5.636 5.02/6.012 5.568 ± 0.6311
ea16 1342 1342/1342 1342 ± 0 6.362 5.635/6.783 6.35 ± 0.7684
ea17 1342 1342/1342 1342 ± 0 6.495 5.821/7.257 6.556 ± 0.7326
ea18 1342 1342/1342 1342 ± 0 5.022 4.629/5.456 5.063 ± 0.5367
ea19 1342 1342/1342 1342 ± 0 6.432 5.717/7.001 6.431 ± 0.708
ea20 1342 1342/1342 1342 ± 0.00001867 6.06 5.648/6.855 6.186 ± 0.6546
ea21 1342 1342/1342 1342 ± 0 6.137 5.489/6.536 6.095 ± 0.6353
ea22 1342 1342/1342 1342 ± 0 6.235 5.396/6.626 6.077 ± 0.6919
ea23 1342 1342/1342 1342 ± 0 6.003 5.586/6.714 6.218 ± 0.7007
ea24 1342 1342/1342 1342 ± 0.000001213 5.467 4.968/6.178 5.545 ± 0.5887
ea26 1342 1342/1342 1342 ± 0.000009221 5.977 5.582/6.93 6.227 ± 0.6942
ea27 1342 1342/1342 1342 ± 0.00001416 6.002 5.522/6.935 6.145 ± 0.7364
ea28 1342 1342/1342 1342 ± 0.00002174 6.049 5.696/6.876 6.331 ± 0.7313
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 5.478 5.372/5.639 5.464 ± 0.2848
4 1342 1342/1342 1342 ± 0.00002886 5.257 5.098/5.371 5.167 ± 0.3401
5 1342 1342/1342 1342 ± 0.00002441 5.486 5.224/5.599 5.408 ± 0.3198
6 1342 1342/1342 1342 ± 0.00002441 5.41 5.232/5.585 5.382 ± 0.2661
7 1342 1342/1342 1342 ± 0.00002441 5.488 5.349/5.672 5.462 ± 0.2746
8 1342 1342/1342 1342 ± 0.00002441 5.419 5.209/5.689 5.412 ± 0.3103
9 1342 1342/1342 1342 ± 0.00002441 5.8 5.607/5.938 5.717 ± 0.3176
10 1342 1342/1342 1342 ± 0.00002441 6.264 6.149/6.358 6.176 ± 0.3276
11 1342 1342/1342 1342 ± 0.00002441 6.461 6.245/6.646 6.418 ± 0.3351
12 1342 1342/1342 1342 ± 0.00002441 6.625 6.328/6.798 6.572 ± 0.3695
13 1342 1342/1342 1342 ± 0.00002441 7.023 6.86/7.3 7.022 ± 0.4014
14 1342 1342/1342 1342 ± 0.00002441 7.287 7.108/7.51 7.235 ± 0.3937
15 1342 1342/1342 1342 ± 0.00002441 6.957 6.716/7.241 6.907 ± 0.3826
16 1342 1342/1342 1342 ± 0.00002441 6.239 5.988/6.388 6.211 ± 0.3887
17 1342 1342/1342 1342 ± 0.00004793 6.073 5.797/6.363 6.115 ± 0.4143
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
Start time
2025-04-18 17:33:19.036
End
2025-04-18 18:25:09.812
Duration
0:51:50.776
Note, WebLog generation is not included in the time.

CASA logs for stage 8