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

Statwt Summary Plot

VLASS2.1.sb38610763.eb38659643.59111.9147512037_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 5.62 5.284/6.088 5.716 ± 0.5653
ea02 1342 1342/1342 1342 ± 0 5.549 5.243/6.25 5.774 ± 0.6534
ea04 1342 1342/1342 1342 ± 0 5.267 4.971/5.905 5.462 ± 0.5631
ea05 1342 1342/1342 1342 ± 0 5.515 5.074/5.93 5.561 ± 0.5736
ea06 1342 1342/1342 1342 ± 0 4.938 4.682/5.361 5.034 ± 0.3989
ea07 1342 1342/1342 1342 ± 0 5.97 5.429/6.204 5.96 ± 0.5884
ea08 1342 1342/1342 1342 ± 0 5.784 5.59/6.635 6.126 ± 0.6833
ea09 1342 1342/1342 1342 ± 0 5.341 4.858/5.929 5.434 ± 0.6173
ea10 1342 1342/1342 1342 ± 0 6.083 5.427/6.766 6.021 ± 0.7242
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.725 5.326/6.395 5.914 ± 0.6721
ea13 1342 1342/1342 1342 ± 0 5.919 5.238/6.15 5.749 ± 0.574
ea14 1342 1342/1342 1342 ± 0 5.739 5.243/6.391 5.835 ± 0.6958
ea15 1342 1342/1342 1342 ± 0 5.455 5.075/6.102 5.648 ± 0.6508
ea16 1342 1342/1342 1342 ± 0 5.991 5.492/6.688 6.146 ± 0.7446
ea17 1342 1342/1342 1342 ± 0.00000311 5.937 5.632/6.543 6.126 ± 0.6383
ea18 1342 1342/1342 1342 ± 0 5.005 4.69/5.531 5.099 ± 0.5604
ea19 1342 1342/1342 1342 ± 0 5.826 5.377/6.524 6.009 ± 0.668
ea20 1342 1342/1342 1342 ± 0 6.06 5.675/6.723 6.237 ± 0.6707
ea21 1342 1342/1342 1342 ± 0 5.648 5.261/6.2 5.764 ± 0.5877
ea22 1342 1342/1342 1342 ± 0 5.272 5.028/6.123 5.546 ± 0.6303
ea23 1342 1342/1342 1342 ± 0 6.026 5.475/6.45 6.099 ± 0.6938
ea25 1342 1342/1342 1342 ± 0 5.613 5.301/6.202 5.785 ± 0.5825
ea26 1342 1342/1342 1342 ± 0 5.776 5.107/6.409 5.718 ± 0.697
ea27 1342 1342/1342 1342 ± 0.000004396 5.595 5.303/6.397 5.78 ± 0.61
ea28 1342 1342/1342 1342 ± 0.00001223 5.74 5.467/6.494 5.978 ± 0.6863
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 ± 0.00002392 5.212 5.101/5.481 5.261 ± 0.2716
3 1342 1342/1342 1342 ± 0.00002395 5.15 4.802/5.39 5.105 ± 0.3087
4 1342 1342/1342 1342 ± 0.0000247 5.185 4.867/5.445 5.157 ± 0.3259
5 1342 1342/1342 1342 ± 0.00002392 5.297 5.036/5.464 5.219 ± 0.3201
6 1342 1342/1342 1342 ± 0.00002392 5.272 5.058/5.372 5.187 ± 0.3146
7 1342 1342/1342 1342 ± 0.00002392 5.29 5.072/5.431 5.261 ± 0.2638
8 1342 1342/1342 1342 ± 0.00002392 5.266 4.983/5.419 5.217 ± 0.3111
9 1342 1342/1342 1342 ± 0.00002392 5.55 5.264/5.807 5.487 ± 0.3465
10 1342 1342/1342 1342 ± 0.00002392 5.959 5.78/6.119 5.928 ± 0.3403
11 1342 1342/1342 1342 ± 0.00002392 6.155 5.971/6.376 6.148 ± 0.3382
12 1342 1342/1342 1342 ± 0.0000244 6.375 6.127/6.614 6.328 ± 0.3785
13 1342 1342/1342 1342 ± 0.00002392 6.796 6.518/7.062 6.758 ± 0.3882
14 1342 1342/1342 1342 ± 0.00002392 6.996 6.731/7.239 6.941 ± 0.4285
15 1342 1342/1342 1342 ± 0.00002392 6.623 6.461/6.848 6.589 ± 0.4147
16 1342 1342/1342 1342 ± 0.0000247 5.985 5.66/6.163 5.952 ± 0.3934
17 1342 1342/1342 1342 ± 0.00002511 5.946 5.652/6.203 5.953 ± 0.3745
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38610763.eb38659643.59111.9147512037_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-01-01 00:58:39.794
End
2025-01-01 02:04:38.379
Duration
1:05:58.584
Note, WebLog generation is not included in the time.

CASA logs for stage 8