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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.382 5.242/6.197 5.483 ± 0.815
ea02 1342 1342/1342 1342 ± 0.00004174 5.983 5.44/6.73 5.916 ± 0.973
ea04 1342 1342/1342 1342 ± 0.000003587 5.349 5.072/6.061 5.404 ± 0.8322
ea05 1342 1342/1342 1342 ± 0.00002131 5.502 5.085/6.248 5.674 ± 0.7678
ea06 1342 1342/1342 1342 ± 0.00001773 4.938 4.755/5.309 4.825 ± 0.6375
ea07 1342 1342/1342 1342 ± 0.00004104 5.941 5.342/6.407 5.791 ± 0.8955
ea08 1342 1342/1342 1342 ± 0.00004135 6.153 5.657/6.872 6.097 ± 1.021
ea09 1342 1342/1342 1342 ± 0.00002692 5.587 5.186/6.608 5.721 ± 0.8412
ea10 1342 1342/1342 1342 ± 0.00004295 5.997 5.381/6.706 5.835 ± 0.9972
ea11 1342 1342/1342 1342 ± 0.00004356 5.919 5.279/6.573 5.705 ± 0.9736
ea12 1342 1342/1342 1342 ± 0.00002599 5.823 5.408/6.63 5.796 ± 1.027
ea13 1342 1342/1342 1342 ± 0.00001991 5.925 5.726/6.464 6.016 ± 0.7531
ea14 1342 1342/1342 1342 ± 0.00002806 5.661 5.071/6.473 5.688 ± 0.8013
ea15 1342 1342/1342 1342 ± 0 5.391 5.096/6.329 5.568 ± 0.9341
ea16 1342 1342/1342 1342 ± 0.00002772 5.969 5.489/6.897 6.028 ± 0.9375
ea17 1342 1342/1342 1342 ± 0.00004412 5.942 5.449/6.876 5.869 ± 1.018
ea18 1342 1342/1342 1342 ± 0.00004204 5.004 4.525/5.726 4.983 ± 0.7049
ea19 1342 1342/1342 1342 ± 0.00001286 5.79 5.56/6.759 6.034 ± 0.8069
ea20 1342 1342/1342 1342 ± 0.00003534 5.92 5.807/6.996 6.043 ± 1.049
ea21 1342 1342/1342 1342 ± 0.00002646 5.623 5.401/6.401 5.67 ± 0.7879
ea22 1342 1342/1342 1342 ± 0.00004232 5.377 5.087/6.432 5.602 ± 0.8395
ea23 1342 1342/1342 1342 ± 0.00003606 5.893 5.478/6.654 5.824 ± 0.9306
ea25 1342 1342/1342 1342 ± 0.00004262 5.583 5.272/6.369 5.55 ± 0.8755
ea26 1342 1342/1342 1342 ± 0.00003629 5.965 5.813/6.976 6.138 ± 0.9266
ea27 1342 1342/1342 1342 ± 0.00004176 5.617 5.182/6.481 5.634 ± 0.8985
ea28 1342 1342/1342 1342 ± 0.0000426 5.693 5.466/6.635 5.814 ± 0.9606
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 ± 0.00002352 5.418 5.291/5.736 5.479 ± 0.2793
5 1342 1342/1342 1342 ± 0.00002352 5.445 5.163/5.609 5.401 ± 0.3603
6 1342 1342/1342 1342 ± 0.00002548 5.276 5.086/5.437 5.254 ± 0.2816
7 1342 1342/1342 1342 ± 0.00002352 5.434 5.281/5.604 5.421 ± 0.2731
8 1342 1342/1342 1342 ± 0.00002352 5.432 5.181/5.556 5.368 ± 0.2911
9 1342 1342/1342 1342 ± 0.00002352 5.651 5.451/5.947 5.656 ± 0.336
10 1342 1342/1342 1342 ± 0.00002352 6.09 5.883/6.298 6.07 ± 0.3363
11 1342 1342/1342 1342 ± 0.00002352 6.406 6.261/6.533 6.344 ± 0.344
12 1342 1342/1342 1342 ± 0.00002352 6.612 6.404/6.801 6.544 ± 0.3858
13 1342 1342/1342 1342 ± 0.00002352 6.956 6.719/7.146 6.867 ± 0.4087
14 1342 1342/1342 1342 ± 0.00002426 6.802 6.535/7.156 6.77 ± 0.5111
15 1342 1342/1342 1342 ± 0.00002492 6.706 6.454/6.981 6.636 ± 0.4887
16 1342 1342/1342 1342 ± 0.00005875 3.959 3.778/4.257 4.023 ± 0.333
17 1342 1342/1342 1342 ± 0.00005943 4.026 3.848/4.358 4.11 ± 0.3747
statwtmode
VLASS-SE
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-11-01 17:59:10.293
End
2024-11-01 18:58:40.034
Duration
0:59:29.741
Note, WebLog generation is not included in the time.

CASA logs for stage 8