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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.233 5.098/5.972 5.513 ± 0.6125
ea02 1342 1342/1342 1342 ± 0.0000415 5.807 5.303/6.37 5.82 ± 0.6814
ea03 1342 1342/1342 1342 ± 0.000002018 5.352 4.26/5.587 5.012 ± 0.7404
ea04 1342 1342/1342 1342 ± 0.000001126 5.322 4.556/5.969 5.226 ± 0.7192
ea05 1342 1342/1342 1342 ± 0 5.937 5.144/6.417 5.747 ± 0.7233
ea06 1342 1342/1342 1342 ± 0 4.865 4.335/5.072 4.755 ± 0.4015
ea07 1342 1342/1342 1342 ± 0 5.753 5.293/6.178 5.809 ± 0.6604
ea08 1342 1342/1342 1342 ± 0.000003897 5.806 5.319/6.479 5.892 ± 0.721
ea09 1342 1342/1342 1342 ± 0.000001126 5.564 4.826/6.136 5.473 ± 0.7583
ea10 1342 1342/1342 1342 ± 0 5.783 5.211/6.451 5.783 ± 0.6839
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.671 4.896/6.229 5.593 ± 0.7569
ea13 1342 1342/1342 1342 ± 0 5.88 4.921/6.193 5.542 ± 0.7729
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 5.633 4.589/6.294 5.463 ± 0.8545
ea16 1342 1342/1342 1342 ± 0 6.018 5.401/6.474 5.953 ± 0.7195
ea17 1342 1342/1342 1342 ± 0 5.981 5.604/6.882 6.131 ± 0.6607
ea18 1342 1342/1342 1342 ± 0 5.005 4.513/5.45 4.973 ± 0.5663
ea19 1342 1342/1342 1342 ± 0 6.016 5.292/6.489 5.88 ± 0.6686
ea20 1342 1342/1342 1342 ± 0 5.957 5.05/6.282 5.681 ± 0.695
ea21 1342 1342/1342 1342 ± 0 5.564 5.207/6.119 5.602 ± 0.6013
ea22 1342 1342/1342 1342 ± 0 5.673 4.904/5.997 5.506 ± 0.6235
ea23 1342 1342/1342 1342 ± 0 5.688 5.203/6.391 5.809 ± 0.7049
ea24 1342 1342/1342 1342 ± 0.000001126 5.846 5.186/6.468 5.777 ± 0.7013
ea25 1342 1342/1342 1342 ± 0 5.53 5.075/6.106 5.559 ± 0.6111
ea26 1342 1342/1342 1342 ± 0 6.025 5.168/6.472 5.874 ± 0.7568
ea27 1342 1342/1342 1342 ± 0 5.693 5.067/6.301 5.68 ± 0.6503
ea28 1342 1342/1342 1342 ± 0 5.581 5.052/6.154 5.58 ± 0.6554
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 ± 0.00002355 4.848 4.677/4.985 4.814 ± 0.2799
4 1342 1342/1342 1342 ± 0.00002595 4.484 4.219/4.555 4.381 ± 0.2805
5 1342 1342/1342 1342 ± 0.00002348 5.056 4.844/5.274 4.974 ± 0.3965
6 1342 1342/1342 1342 ± 0.00002348 5.042 4.833/5.285 4.982 ± 0.3594
7 1342 1342/1342 1342 ± 0.00002348 5.169 4.942/5.258 5.062 ± 0.3183
8 1342 1342/1342 1342 ± 0.00002348 5.15 4.939/5.279 5.061 ± 0.3411
9 1342 1342/1342 1342 ± 0.00002348 5.421 5.09/5.657 5.331 ± 0.3817
10 1342 1342/1342 1342 ± 0.00002348 5.896 5.672/6.022 5.815 ± 0.3346
11 1342 1342/1342 1342 ± 0.00002348 6.061 5.878/6.21 6.004 ± 0.3436
12 1342 1342/1342 1342 ± 0.00002348 6.169 5.971/6.42 6.146 ± 0.382
13 1342 1342/1342 1342 ± 0.00002348 6.55 6.303/6.764 6.496 ± 0.4029
14 1342 1342/1342 1342 ± 0.00002348 6.696 6.538/7.032 6.679 ± 0.4323
15 1342 1342/1342 1342 ± 0.00002348 6.483 6.325/6.678 6.401 ± 0.4012
16 1342 1342/1342 1342 ± 0.0000241 5.837 5.678/6.068 5.829 ± 0.3129
17 1342 1342/1342 1342 ± 0.00002394 5.923 5.687/6.122 5.868 ± 0.3169
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
Start time
2025-04-02 13:43:03.185
End
2025-04-02 14:57:06.230
Duration
1:14:03.045
Note, WebLog generation is not included in the time.

CASA logs for stage 8