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

Statwt Summary Plot

VLASS2.1.sb38541375.eb38627613.59093.84554634259_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 5.589 5.336/6.036 5.726 ± 0.5166
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.571 5.222/6.052 5.688 ± 0.5275
ea05 1342 1342/1342 1342 ± 0 5.693 5.388/6.272 5.834 ± 0.5597
ea06 1342 1342/1342 1342 ± 0 5.055 4.896/5.446 5.167 ± 0.3679
ea07 1342 1342/1342 1342 ± 0 5.837 5.493/6.282 5.996 ± 0.5511
ea08 1342 1342/1342 1342 ± 0 5.841 5.535/6.608 6.068 ± 0.6705
ea09 1342 1342/1342 1342 ± 0 5.707 5.254/6.389 5.786 ± 0.6048
ea10 1342 1342/1342 1342 ± 0 5.674 5.339/6.577 5.895 ± 0.6716
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.892 5.455/6.369 6.02 ± 0.6123
ea13 1342 1342/1342 1342 ± 0 6.024 5.74/6.308 6.084 ± 0.4627
ea14 1342 1342/1342 1342 ± 0 5.766 5.279/6.354 5.822 ± 0.632
ea15 1342 1342/1342 1342 ± 0 5.63 5.154/6.165 5.731 ± 0.6518
ea16 1342 1342/1342 1342 ± 0 6.163 5.734/6.618 6.263 ± 0.6911
ea17 1342 1342/1342 1342 ± 0.000004022 6.012 5.652/6.496 6.138 ± 0.6074
ea18 1342 1342/1342 1342 ± 0 5.1 4.838/5.519 5.186 ± 0.5043
ea19 1342 1342/1342 1342 ± 0 5.999 5.603/6.588 6.147 ± 0.5958
ea20 1342 1342/1342 1342 ± 0 6.153 5.818/6.81 6.281 ± 0.6394
ea21 1342 1342/1342 1342 ± 0 5.595 5.391/6.212 5.788 ± 0.5066
ea22 1342 1342/1342 1342 ± 0 5.66 5.258/6.34 5.802 ± 0.6257
ea23 1342 1342/1342 1342 ± 0 5.974 5.542/6.62 6.116 ± 0.6574
ea25 1342 1342/1342 1342 ± 0 5.549 5.246/6.091 5.7 ± 0.5553
ea26 1342 1342/1342 1342 ± 0 5.954 5.677/6.65 6.119 ± 0.6413
ea27 1342 1342/1342 1342 ± 0.00003818 5.569 5.315/6.367 5.762 ± 0.5913
ea28 1342 1342/1342 1342 ± 0 5.596 5.385/6.348 5.819 ± 0.617
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 ± 0.00002444 5.503 5.283/5.683 5.472 ± 0.2511
3 1342 1342/1342 1342 ± 0.00002631 5.072 4.925/5.381 5.138 ± 0.2696
4 1342 1342/1342 1342 ± 0.00002467 5.201 5.026/5.418 5.213 ± 0.3232
5 1342 1342/1342 1342 ± 0.00002444 5.428 5.208/5.575 5.395 ± 0.3009
6 1342 1342/1342 1342 ± 0.00002444 5.399 5.186/5.578 5.372 ± 0.2836
7 1342 1342/1342 1342 ± 0.00002444 5.405 5.292/5.597 5.412 ± 0.2462
8 1342 1342/1342 1342 ± 0.00002444 5.394 5.161/5.571 5.359 ± 0.2767
9 1342 1342/1342 1342 ± 0.00002444 5.616 5.48/5.921 5.63 ± 0.3054
10 1342 1342/1342 1342 ± 0.00002444 6.05 5.965/6.26 6.04 ± 0.299
11 1342 1342/1342 1342 ± 0.00002444 6.302 6.172/6.517 6.264 ± 0.3221
12 1342 1342/1342 1342 ± 0.00002444 6.427 6.23/6.631 6.405 ± 0.3479
13 1342 1342/1342 1342 ± 0.00002444 6.816 6.692/7.122 6.824 ± 0.3602
14 1342 1342/1342 1342 ± 0.00002444 6.947 6.789/7.277 6.979 ± 0.3913
15 1342 1342/1342 1342 ± 0.00002444 6.656 6.429/6.818 6.569 ± 0.3858
16 1342 1342/1342 1342 ± 0.00003263 5.929 5.758/6.214 5.931 ± 0.327
17 1342 1342/1342 1342 ± 0.00003306 5.855 5.7/6.087 5.87 ± 0.2986
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2024-05-01 07:08:44.600
End
2024-05-01 08:03:27.574
Duration
0:54:42.974
Note, WebLog generation is not included in the time.

CASA logs for stage 7