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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 4.485 4.29/4.599 4.416 ± 0.2675
ea02 1342 1342/1342 1342 ± 0 4.693 4.482/4.801 4.584 ± 0.3351
ea04 1342 1342/1342 1342 ± 0.0000227 4.419 4.309/4.588 4.479 ± 0.2067
ea05 1342 1342/1342 1342 ± 0 5.341 5.071/5.563 5.325 ± 0.3647
ea06 1342 1342/1342 1342 ± 0 2.567 2.506/2.712 2.609 ± 0.1265
ea07 1342 1342/1342 1342 ± 0 5.29 5.053/5.358 5.259 ± 0.2188
ea08 1342 1342/1342 1342 ± 0 5.392 5.047/5.737 5.398 ± 0.4468
ea09 1342 1342/1342 1342 ± 0 4.366 4.269/4.551 4.376 ± 0.3031
ea10 1342 1342/1342 1342 ± 0 5.19 4.991/5.728 5.348 ± 0.4049
ea11 1342 1342/1342 1342 ± 0 4.7 4.55/4.954 4.719 ± 0.2684
ea12 1342 1342/1342 1342 ± 0 4.965 4.744/5.126 4.973 ± 0.2598
ea13 1342 1342/1342 1342 ± 0 4.774 4.584/4.927 4.762 ± 0.2521
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 4.684 4.541/4.92 4.713 ± 0.217
ea17 1342 1342/1342 1342 ± 0.000005542 5.772 5.572/6.39 5.933 ± 0.4831
ea18 1342 1342/1342 1342 ± 0 4.767 4.563/5.094 4.82 ± 0.3147
ea19 1342 1342/1342 1342 ± 0 5.357 5.109/5.599 5.357 ± 0.3305
ea21 1342 1342/1342 1342 ± 0 4.377 4.251/4.497 4.36 ± 0.2382
ea22 1342 1342/1342 1342 ± 0 4.941 4.712/5.337 5.024 ± 0.3762
ea23 1342 1342/1342 1342 ± 0 4.689 4.57/4.88 4.703 ± 0.2438
ea25 1342 1342/1342 1342 ± 0 4.544 4.494/4.699 4.595 ± 0.1515
ea26 1342 1342/1342 1342 ± 0 4.766 4.688/4.995 4.797 ± 0.2651
ea27 1342 1342/1342 1342 ± 0.000003607 5.024 4.743/5.511 5.118 ± 0.3654
ea28 1342 1342/1342 1342 ± 0.000005953 4.514 4.421/4.727 4.504 ± 0.3193
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 ± 0.000026 5.053 4.922/5.273 5.077 ± 0.2917
3 1342 1342/1342 1342 ± 0.0000315 4.74 4.513/5.185 4.82 ± 0.346
4 1342 1342/1342 1342 ± 0.00003201 4.752 4.456/5.027 4.789 ± 0.3634
5 1342 1342/1342 1342 ± 0.000026 4.742 4.606/4.992 4.832 ± 0.3152
6 1342 1342/1342 1342 ± 0.000026 4.702 4.494/4.996 4.74 ± 0.3169
7 1342 1342/1342 1342 ± 0.000026 4.703 4.491/4.862 4.713 ± 0.2896
8 1342 1342/1342 1342 ± 0.000026 4.574 4.419/4.73 4.637 ± 0.3283
9 1342 1342/1342 1342 ± 0.000026 4.665 4.55/4.999 4.752 ± 0.4161
10 1342 1342/1342 1342 ± 0.000026 4.802 4.54/5.267 4.847 ± 0.6194
11 1342 1342/1342 1342 ± 0.000026 4.897 4.551/5.377 4.929 ± 0.7059
12 1342 1342/1342 1342 ± 0.000026 4.962 4.643/5.515 4.986 ± 0.7641
13 1342 1342/1342 1342 ± 0.000026 5.131 4.812/5.637 5.179 ± 0.7847
14 1342 1342/1342 1342 ± 0.000026 5.192 4.778/5.775 5.211 ± 0.8111
15 1342 1342/1342 1342 ± 0.000026 4.812 4.484/5.359 4.876 ± 0.7729
16 1342 1342/1342 1342 ± 0.00002679 4.345 3.949/4.777 4.386 ± 0.6606
17 1342 1342/1342 1342 ± 0.00002617 4.372 3.882/4.721 4.38 ± 0.6681
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-03-29 09:46:03.057
End
2024-03-29 11:04:44.773
Duration
1:18:41.716
Note, WebLog generation is not included in the time.

CASA logs for stage 7