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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.487 5.964/6.876 6.475 ± 0.5911
ea03 1342 1342/1342 1342 ± 0 5.717 5.189/6.716 5.904 ± 0.7199
ea04 1342 1342/1342 1342 ± 0 6.266 5.738/6.781 6.338 ± 0.6763
ea05 1342 1342/1342 1342 ± 0 6.219 5.862/7.032 6.398 ± 0.7287
ea06 1342 1342/1342 1342 ± 0 6.469 5.865/6.838 6.378 ± 0.6297
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.019 5.654/6.712 6.197 ± 0.6101
ea09 1342 1342/1342 1342 ± 0 6.195 5.545/6.919 6.271 ± 0.6833
ea10 1342 1342/1342 1342 ± 0 7.116 6.804/7.357 7.049 ± 0.4305
ea11 1342 1342/1342 1342 ± 0 6.283 5.622/6.869 6.334 ± 0.7253
ea12 1342 1342/1342 1342 ± 0 6.611 5.898/7.03 6.597 ± 0.7096
ea13 1342 1342/1342 1342 ± 0 5.87 5.502/6.241 5.939 ± 0.4232
ea14 1342 1342/1342 1342 ± 0 6.656 5.872/7.034 6.574 ± 0.7163
ea15 1342 1342/1342 1342 ± 0 6.063 5.464/6.605 6.09 ± 0.6614
ea16 1342 1342/1342 1342 ± 0 6.565 5.964/7.058 6.604 ± 0.7349
ea17 1342 1342/1342 1342 ± 0 6.91 6.433/7.881 7.111 ± 0.7343
ea18 1342 1342/1342 1342 ± 0 5.263 4.861/5.679 5.308 ± 0.5401
ea19 1342 1342/1342 1342 ± 0 6.763 6.031/7.316 6.693 ± 0.6984
ea20 1342 1342/1342 1342 ± 0 5.94 5.635/6.74 6.128 ± 0.613
ea21 1342 1342/1342 1342 ± 0 5.492 5.249/6.067 5.686 ± 0.4815
ea22 1342 1342/1342 1342 ± 0 6.312 5.556/6.655 6.178 ± 0.6157
ea23 1342 1342/1342 1342 ± 0 6.305 5.959/6.944 6.522 ± 0.6965
ea24 1342 1342/1342 1342 ± 0 6.121 5.476/6.639 6.049 ± 0.5745
ea25 1342 1342/1342 1342 ± 0 6.909 6.036/7.238 6.768 ± 0.8127
ea26 1342 1342/1342 1342 ± 0 6.772 6.14/7.5 6.823 ± 0.7265
ea27 1342 1342/1342 1342 ± 0 6.086 5.767/7.095 6.374 ± 0.6778
ea28 1342 1342/1342 1342 ± 0 6.288 5.954/7.134 6.547 ± 0.6736
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 5.797 5.587/6.099 5.79 ± 0.3404
4 1342 1342/1342 1342 ± 0.00002392 5.475 5.276/5.761 5.518 ± 0.4353
5 1342 1342/1342 1342 ± 0.00002392 5.863 5.518/5.966 5.749 ± 0.3597
6 1342 1342/1342 1342 ± 0.00002392 5.741 5.497/5.881 5.671 ± 0.3077
7 1342 1342/1342 1342 ± 0.00002392 5.817 5.567/5.957 5.749 ± 0.3199
8 1342 1342/1342 1342 ± 0.00002392 5.691 5.453/5.961 5.707 ± 0.3733
9 1342 1342/1342 1342 ± 0.00002392 6.039 5.784/6.29 6.006 ± 0.3659
10 1342 1342/1342 1342 ± 0.00002348 6.597 6.265/6.716 6.483 ± 0.3586
11 1342 1342/1342 1342 ± 0.00002348 6.805 6.58/7.003 6.727 ± 0.3779
12 1342 1342/1342 1342 ± 0.00002348 6.905 6.667/7.1 6.86 ± 0.4386
13 1342 1342/1342 1342 ± 0.00002348 7.39 7.067/7.753 7.347 ± 0.4976
14 1342 1342/1342 1342 ± 0.00002348 7.573 7.276/7.913 7.53 ± 0.5058
15 1342 1342/1342 1342 ± 0.00002348 7.111 6.886/7.495 7.138 ± 0.4616
16 1342 1342/1342 1342 ± 0.00002348 6.398 6.082/6.787 6.417 ± 0.4967
17 1342 1342/1342 1342 ± 0.00002348 6.337 6.062/6.706 6.342 ± 0.4948
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-06-12 08:30:00.306
End
2025-06-12 09:30:17.273
Duration
1:00:16.967
Note, WebLog generation is not included in the time.

CASA logs for stage 8