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

Statwt Summary Plot

VLASS2.1.sb38607909.eb38640757.59103.0786646412_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 5.635 5.308/6.051 5.74 ± 0.5016
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.584 5.258/6.173 5.76 ± 0.5641
ea05 1342 1342/1342 1342 ± 0 5.972 5.52/6.471 6.054 ± 0.593
ea06 1342 1342/1342 1342 ± 0 5.045 4.948/5.436 5.168 ± 0.3383
ea07 1342 1342/1342 1342 ± 0 6.185 5.647/6.394 6.182 ± 0.584
ea08 1342 1342/1342 1342 ± 0 6.033 5.802/6.794 6.285 ± 0.6305
ea09 1342 1342/1342 1342 ± 0 5.853 5.408/6.692 5.992 ± 0.6195
ea10 1342 1342/1342 1342 ± 0 6.113 5.477/6.792 6.122 ± 0.6792
ea11 1342 1342/1342 1342 ± 0 6 5.381/6.645 6.058 ± 0.6464
ea12 1342 1342/1342 1342 ± 0 6.031 5.644/6.68 6.219 ± 0.6483
ea13 1342 1342/1342 1342 ± 0 6.029 5.866/6.416 6.189 ± 0.4585
ea14 1342 1342/1342 1342 ± 0 5.802 5.313/6.403 5.915 ± 0.6612
ea15 1342 1342/1342 1342 ± 0 5.825 5.409/6.482 6.027 ± 0.6811
ea16 1342 1342/1342 1342 ± 0 6.229 5.768/6.814 6.363 ± 0.7033
ea17 1342 1342/1342 1342 ± 0 6.129 5.774/6.719 6.306 ± 0.637
ea18 1342 1342/1342 1342 ± 0 5.188 4.871/5.586 5.27 ± 0.4897
ea19 1342 1342/1342 1342 ± 0 6.164 5.705/6.805 6.34 ± 0.6637
ea20 1342 1342/1342 1342 ± 0 5.302 5.074/5.774 5.436 ± 0.4421
ea21 1342 1342/1342 1342 ± 0 5.851 5.533/6.424 6.007 ± 0.5631
ea22 1342 1342/1342 1342 ± 0 5.418 5.201/6.11 5.622 ± 0.6015
ea23 1342 1342/1342 1342 ± 0 6.153 5.602/6.54 6.218 ± 0.6761
ea25 1342 1342/1342 1342 ± 0 5.767 5.48/6.291 5.913 ± 0.5646
ea26 1342 1342/1342 1342 ± 0 6.188 5.783/6.888 6.355 ± 0.6705
ea27 1342 1342/1342 1342 ± 0 5.694 5.457/6.514 5.89 ± 0.5773
ea28 1342 1342/1342 1342 ± 0.000007507 5.901 5.625/6.673 6.128 ± 0.6719
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 5.52 5.279/5.814 5.527 ± 0.2967
3 1342 1342/1342 1342 ± 0.00002441 5.431 5.196/5.661 5.408 ± 0.3216
4 1342 1342/1342 1342 ± 0.00002441 5.41 5.146/5.622 5.378 ± 0.3099
5 1342 1342/1342 1342 ± 0.00002399 5.504 5.248/5.709 5.478 ± 0.3127
6 1342 1342/1342 1342 ± 0.00002399 5.426 5.279/5.567 5.404 ± 0.3013
7 1342 1342/1342 1342 ± 0.00002399 5.44 5.33/5.685 5.475 ± 0.2593
8 1342 1342/1342 1342 ± 0.00002399 5.494 5.275/5.645 5.448 ± 0.3159
9 1342 1342/1342 1342 ± 0.00002441 5.742 5.377/6.033 5.699 ± 0.3551
10 1342 1342/1342 1342 ± 0.00002441 6.195 5.975/6.347 6.125 ± 0.3531
11 1342 1342/1342 1342 ± 0.00002399 6.414 6.252/6.612 6.348 ± 0.3729
12 1342 1342/1342 1342 ± 0.00002399 6.577 6.376/6.71 6.45 ± 0.4908
13 1342 1342/1342 1342 ± 0.00002399 7.049 6.751/7.301 6.95 ± 0.4379
14 1342 1342/1342 1342 ± 0.00002441 7.147 6.824/7.492 7.092 ± 0.4785
15 1342 1342/1342 1342 ± 0.00002399 6.784 6.562/7.069 6.73 ± 0.4474
16 1342 1342/1342 1342 ± 0.00002461 6.12 5.807/6.346 6.07 ± 0.417
17 1342 1342/1342 1342 ± 0.00002406 6.175 5.876/6.367 6.088 ± 0.4
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38607909.eb38640757.59103.0786646412_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-31 05:00:21.838
End
2024-12-31 05:50:05.954
Duration
0:49:44.116
Note, WebLog generation is not included in the time.

CASA logs for stage 8