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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.429 5.768/6.763 6.326 ± 0.7142
ea03 1342 1342/1342 1342 ± 0.00003319 5.749 5.288/6.595 5.887 ± 0.7761
ea04 1342 1342/1342 1342 ± 0 5.618 5.206/6.209 5.8 ± 0.6484
ea05 1342 1342/1342 1342 ± 0 5.961 5.693/6.927 6.209 ± 0.7522
ea06 1342 1342/1342 1342 ± 0 6.4 5.544/6.532 6.133 ± 0.6428
ea07 1342 1342/1342 1342 ± 0 5.916 5.361/6.239 5.941 ± 0.636
ea08 1342 1342/1342 1342 ± 0.00001523 6.183 5.567/6.781 6.284 ± 0.7331
ea09 1342 1342/1342 1342 ± 0 5.968 5.49/6.716 6.169 ± 0.7524
ea10 1342 1342/1342 1342 ± 0 6.006 5.645/6.9 6.19 ± 0.6949
ea11 1342 1342/1342 1342 ± 0 6.276 5.346/6.837 6.205 ± 0.8424
ea12 1342 1342/1342 1342 ± 0 6.45 5.661/6.806 6.391 ± 0.7595
ea13 1342 1342/1342 1342 ± 0.000007306 5.95 5.821/6.46 6.15 ± 0.5135
ea14 1342 1342/1342 1342 ± 0 6.043 5.634/6.879 6.3 ± 0.7055
ea15 1342 1342/1342 1342 ± 0 5.429 4.788/5.716 5.31 ± 0.6084
ea16 1342 1342/1342 1342 ± 0 6.133 5.715/6.743 6.299 ± 0.7696
ea17 1342 1342/1342 1342 ± 0 6.454 5.952/7.488 6.635 ± 0.7793
ea18 1342 1342/1342 1342 ± 0 5.155 4.752/5.611 5.213 ± 0.5403
ea19 1342 1342/1342 1342 ± 0 6.237 5.917/7.124 6.482 ± 0.7727
ea20 1342 1342/1342 1342 ± 0 5.936 5.681/6.906 6.167 ± 0.7333
ea21 1342 1342/1342 1342 ± 0 5.653 5.442/6.485 5.89 ± 0.6361
ea22 1342 1342/1342 1342 ± 0 6.224 5.363/6.613 6.01 ± 0.7252
ea23 1342 1342/1342 1342 ± 0 6.134 5.735/6.809 6.317 ± 0.7696
ea24 1342 1342/1342 1342 ± 0 6.157 5.207/6.53 5.89 ± 0.6332
ea25 1342 1342/1342 1342 ± 0 6.21 5.636/6.712 6.332 ± 0.7642
ea26 1342 1342/1342 1342 ± 0 6.284 5.791/7.039 6.465 ± 0.7976
ea27 1342 1342/1342 1342 ± 0 5.949 5.489/7.018 6.155 ± 0.7764
ea28 1342 1342/1342 1342 ± 0 6.113 5.732/6.901 6.315 ± 0.7689
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 ± 0.00002306 5.614 5.385/5.761 5.586 ± 0.319
3 1342 1342/1342 1342 ± 0.00002348 5.264 5.104/5.389 5.244 ± 0.2909
4 1342 1342/1342 1342 ± 0.0000283 5.223 5.041/5.469 5.232 ± 0.366
5 1342 1342/1342 1342 ± 0.00002306 5.617 5.343/5.721 5.502 ± 0.3481
6 1342 1342/1342 1342 ± 0.00002306 5.514 5.297/5.721 5.484 ± 0.2903
7 1342 1342/1342 1342 ± 0.00002306 5.612 5.369/5.766 5.542 ± 0.306
8 1342 1342/1342 1342 ± 0.00002306 5.549 5.299/5.765 5.509 ± 0.3394
9 1342 1342/1342 1342 ± 0.00002306 5.946 5.657/6.09 5.834 ± 0.3374
10 1342 1342/1342 1342 ± 0.00002306 6.451 6.173/6.527 6.324 ± 0.3542
11 1342 1342/1342 1342 ± 0.00002306 6.612 6.46/6.825 6.568 ± 0.3679
12 1342 1342/1342 1342 ± 0.00002306 6.812 6.505/6.915 6.717 ± 0.4162
13 1342 1342/1342 1342 ± 0.00002306 7.307 6.919/7.6 7.223 ± 0.4401
14 1342 1342/1342 1342 ± 0.00002306 7.544 7.216/7.763 7.433 ± 0.4334
15 1342 1342/1342 1342 ± 0.00002306 7.121 6.788/7.303 7.015 ± 0.4118
16 1342 1342/1342 1342 ± 0.00002739 6.341 5.962/6.497 6.278 ± 0.3908
17 1342 1342/1342 1342 ± 0.00002475 6.201 5.947/6.525 6.215 ± 0.3939
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
Start time
2025-06-07 18:12:23.444
End
2025-06-07 19:13:04.130
Duration
1:00:40.686
Note, WebLog generation is not included in the time.

CASA logs for stage 8