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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.405 5.044/5.826 5.482 ± 0.5213
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.4 5.041/5.891 5.493 ± 0.5284
ea05 1342 1342/1342 1342 ± 0 5.595 5.168/6.158 5.674 ± 0.5831
ea06 1342 1342/1342 1342 ± 0 4.915 4.702/5.317 4.99 ± 0.3828
ea07 1342 1342/1342 1342 ± 0 5.793 5.26/6.075 5.813 ± 0.5814
ea08 1342 1342/1342 1342 ± 0 5.684 5.316/6.363 5.832 ± 0.6578
ea09 1342 1342/1342 1342 ± 0 5.514 4.992/6.239 5.596 ± 0.6159
ea10 1342 1342/1342 1342 ± 0 5.687 5.138/6.434 5.742 ± 0.682
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.72 5.254/6.238 5.806 ± 0.6287
ea13 1342 1342/1342 1342 ± 0 5.905 5.53/6.118 5.896 ± 0.4622
ea14 1342 1342/1342 1342 ± 0 5.662 5.122/6.19 5.665 ± 0.6415
ea15 1342 1342/1342 1342 ± 0 5.447 4.974/5.956 5.518 ± 0.6494
ea16 1342 1342/1342 1342 ± 0 5.962 5.398/6.369 5.991 ± 0.7112
ea17 1342 1342/1342 1342 ± 0.000001537 5.867 5.49/6.351 5.957 ± 0.6432
ea18 1342 1342/1342 1342 ± 0 4.96 4.711/5.383 5.043 ± 0.5073
ea19 1342 1342/1342 1342 ± 0 5.864 5.438/6.473 5.992 ± 0.6215
ea20 1342 1342/1342 1342 ± 0 5.979 5.618/6.628 6.083 ± 0.6503
ea21 1342 1342/1342 1342 ± 0 5.458 5.23/6.075 5.618 ± 0.5505
ea22 1342 1342/1342 1342 ± 0 5.508 4.992/6.159 5.588 ± 0.6462
ea23 1342 1342/1342 1342 ± 0 5.879 5.365/6.421 5.915 ± 0.6707
ea25 1342 1342/1342 1342 ± 0 5.449 5.137/5.94 5.542 ± 0.5751
ea26 1342 1342/1342 1342 ± 0 5.837 5.402/6.464 5.912 ± 0.6608
ea27 1342 1342/1342 1342 ± 0.00001487 5.459 5.025/6.246 5.613 ± 0.6104
ea28 1342 1342/1342 1342 ± 0 5.403 5.16/6.066 5.563 ± 0.5811
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 ± 0.00002447 5.32 5.083/5.47 5.286 ± 0.2473
3 1342 1342/1342 1342 ± 0.00002612 4.999 4.819/5.216 5 ± 0.2581
4 1342 1342/1342 1342 ± 0.00002447 5.113 4.899/5.236 5.063 ± 0.2889
5 1342 1342/1342 1342 ± 0.00002447 5.207 4.976/5.297 5.157 ± 0.2833
6 1342 1342/1342 1342 ± 0.00002492 4.872 4.678/4.938 4.828 ± 0.208
7 1342 1342/1342 1342 ± 0.00002447 5.22 5.128/5.391 5.242 ± 0.2354
8 1342 1342/1342 1342 ± 0.00002447 5.177 5.028/5.409 5.197 ± 0.2665
9 1342 1342/1342 1342 ± 0.00002447 5.458 5.3/5.757 5.466 ± 0.3002
10 1342 1342/1342 1342 ± 0.00002447 5.894 5.684/6.074 5.868 ± 0.2943
11 1342 1342/1342 1342 ± 0.00002447 6.108 6.004/6.279 6.082 ± 0.3164
12 1342 1342/1342 1342 ± 0.00002447 6.245 6.077/6.466 6.22 ± 0.3435
13 1342 1342/1342 1342 ± 0.00002447 6.632 6.503/6.867 6.62 ± 0.3573
14 1342 1342/1342 1342 ± 0.00002447 6.719 6.614/7.087 6.762 ± 0.379
15 1342 1342/1342 1342 ± 0.00002447 6.456 6.294/6.657 6.395 ± 0.3567
16 1342 1342/1342 1342 ± 0.0000261 5.791 5.632/5.982 5.787 ± 0.3076
17 1342 1342/1342 1342 ± 0.00002556 5.79 5.564/5.962 5.766 ± 0.3028
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
output_dir
 
Start time
2024-05-01 09:15:49.266
End
2024-05-01 10:25:16.647
Duration
1:09:27.381
Note, WebLog generation is not included in the time.

CASA logs for stage 7