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 5.604 5.251/6.048 5.703 ± 0.5298
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.529 5.136/6.064 5.662 ± 0.5539
ea05 1342 1342/1342 1342 ± 0 5.724 5.319/6.282 5.828 ± 0.575
ea06 1342 1342/1342 1342 ± 0 5.018 4.851/5.453 5.141 ± 0.3865
ea07 1342 1342/1342 1342 ± 0 5.922 5.447/6.222 5.973 ± 0.5652
ea08 1342 1342/1342 1342 ± 0 5.92 5.468/6.638 6.042 ± 0.6601
ea09 1342 1342/1342 1342 ± 0 5.639 5.14/6.342 5.728 ± 0.6117
ea10 1342 1342/1342 1342 ± 0 5.835 5.279/6.562 5.883 ± 0.6636
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.851 5.389/6.428 5.987 ± 0.6255
ea13 1342 1342/1342 1342 ± 0 5.979 5.656/6.271 6.025 ± 0.4825
ea14 1342 1342/1342 1342 ± 0 5.76 5.203/6.297 5.787 ± 0.6454
ea15 1342 1342/1342 1342 ± 0 5.585 5.102/6.153 5.696 ± 0.6646
ea16 1342 1342/1342 1342 ± 0 6.127 5.66/6.574 6.216 ± 0.7095
ea17 1342 1342/1342 1342 ± 0.00000164 5.964 5.59/6.481 6.106 ± 0.613
ea18 1342 1342/1342 1342 ± 0 5.077 4.783/5.55 5.155 ± 0.522
ea19 1342 1342/1342 1342 ± 0 5.972 5.566/6.569 6.135 ± 0.6122
ea20 1342 1342/1342 1342 ± 0 6.109 5.759/6.764 6.254 ± 0.6276
ea21 1342 1342/1342 1342 ± 0 5.573 5.333/6.183 5.752 ± 0.5224
ea22 1342 1342/1342 1342 ± 0 5.62 5.2/6.305 5.76 ± 0.644
ea23 1342 1342/1342 1342 ± 0 5.996 5.495/6.574 6.074 ± 0.6635
ea25 1342 1342/1342 1342 ± 0 5.592 5.212/6.157 5.678 ± 0.5627
ea26 1342 1342/1342 1342 ± 0 5.934 5.581/6.563 6.049 ± 0.6342
ea27 1342 1342/1342 1342 ± 0.00002335 5.509 5.224/6.353 5.726 ± 0.5984
ea28 1342 1342/1342 1342 ± 0 5.587 5.333/6.315 5.797 ± 0.6181
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 ± 0.00002442 5.432 5.213/5.603 5.407 ± 0.2485
3 1342 1342/1342 1342 ± 0.00002613 5.087 4.922/5.355 5.12 ± 0.2866
4 1342 1342/1342 1342 ± 0.00002464 5.214 4.992/5.354 5.158 ± 0.3177
5 1342 1342/1342 1342 ± 0.00002442 5.376 5.119/5.504 5.341 ± 0.2977
6 1342 1342/1342 1342 ± 0.00002442 5.272 5.083/5.438 5.263 ± 0.2728
7 1342 1342/1342 1342 ± 0.00002442 5.352 5.212/5.502 5.358 ± 0.2415
8 1342 1342/1342 1342 ± 0.00002442 5.34 5.142/5.545 5.31 ± 0.2705
9 1342 1342/1342 1342 ± 0.00002442 5.567 5.44/5.875 5.588 ± 0.3024
10 1342 1342/1342 1342 ± 0.00002442 6.018 5.903/6.212 5.999 ± 0.2943
11 1342 1342/1342 1342 ± 0.00002442 6.269 6.128/6.483 6.226 ± 0.3123
12 1342 1342/1342 1342 ± 0.00002442 6.387 6.205/6.576 6.364 ± 0.3403
13 1342 1342/1342 1342 ± 0.00002442 6.79 6.652/7.04 6.782 ± 0.3605
14 1342 1342/1342 1342 ± 0.00002442 6.911 6.745/7.242 6.941 ± 0.3841
15 1342 1342/1342 1342 ± 0.00002442 6.634 6.432/6.824 6.571 ± 0.3656
16 1342 1342/1342 1342 ± 0.00002875 5.982 5.787/6.172 5.966 ± 0.3177
17 1342 1342/1342 1342 ± 0.00002653 5.938 5.717/6.134 5.93 ± 0.31
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
Start time
2024-05-01 08:39:40.127
End
2024-05-01 09:36:20.446
Duration
0:56:40.320
Note, WebLog generation is not included in the time.

CASA logs for stage 7