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

Statwt Summary Plot

VLASS2.1.sb38529434.eb38589592.59082.86913579861_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 5.465 5.237/5.895 5.614 ± 0.5134
ea02 1342 1342/1342 1342 ± 0 5.822 5.459/6.445 5.989 ± 0.6283
ea04 1342 1342/1342 1342 ± 0 5.329 5.001/5.82 5.453 ± 0.4986
ea05 1342 1342/1342 1342 ± 0 5.699 5.247/6.122 5.736 ± 0.5353
ea06 1342 1342/1342 1342 ± 0 5.387 5.292/5.524 5.425 ± 0.2324
ea07 1342 1342/1342 1342 ± 0 5.831 5.324/6.067 5.842 ± 0.5515
ea08 1342 1342/1342 1342 ± 0.00001458 5.828 5.513/6.536 6.034 ± 0.6573
ea09 1342 1342/1342 1342 ± 0 5.509 5.203/6.27 5.719 ± 0.6187
ea10 1342 1342/1342 1342 ± 0 5.595 5.128/6.197 5.666 ± 0.6088
ea11 1342 1342/1342 1342 ± 0 5.698 5.109/6.168 5.707 ± 0.5936
ea12 1342 1342/1342 1342 ± 0 5.668 5.32/6.258 5.844 ± 0.6007
ea13 1342 1342/1342 1342 ± 0 5.849 5.638/6.133 5.958 ± 0.4459
ea14 1342 1342/1342 1342 ± 0 5.78 5.322/6.364 5.876 ± 0.6576
ea15 1342 1342/1342 1342 ± 0 5.451 5.049/6.084 5.621 ± 0.6308
ea16 1342 1342/1342 1342 ± 0 6.048 5.659/6.671 6.217 ± 0.6994
ea17 1342 1342/1342 1342 ± 0.00001699 5.903 5.447/6.668 6.022 ± 0.6312
ea18 1342 1342/1342 1342 ± 0 4.964 4.681/5.417 5.085 ± 0.4998
ea19 1342 1342/1342 1342 ± 0 5.877 5.472/6.523 6.064 ± 0.5933
ea20 1342 1342/1342 1342 ± 0 5.986 5.678/6.616 6.135 ± 0.6056
ea21 1342 1342/1342 1342 ± 0 5.651 5.376/6.211 5.806 ± 0.5361
ea22 1342 1342/1342 1342 ± 0 5.556 5.327/6.394 5.856 ± 0.6562
ea23 1342 1342/1342 1342 ± 0 5.956 5.424/6.355 6.011 ± 0.6589
ea25 1342 1342/1342 1342 ± 0.00000385 5.504 5.155/5.948 5.604 ± 0.5496
ea26 1342 1342/1342 1342 ± 0.000001068 5.793 5.577/6.517 6.027 ± 0.5961
ea27 1342 1342/1342 1342 ± 0.00001554 5.433 5.216/6.289 5.672 ± 0.5818
ea28 1342 1342/1342 1342 ± 0.00002606 5.538 5.28/6.237 5.774 ± 0.625
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 ± 0.00002395 5.402 5.212/5.566 5.393 ± 0.2239
3 1342 1342/1342 1342 ± 0.00002439 5.178 4.931/5.391 5.158 ± 0.2872
4 1342 1342/1342 1342 ± 0.00002443 5.239 5.147/5.429 5.255 ± 0.2609
5 1342 1342/1342 1342 ± 0.00002395 5.304 5.09/5.47 5.306 ± 0.3148
6 1342 1342/1342 1342 ± 0.00002395 5.251 5.159/5.467 5.274 ± 0.2601
7 1342 1342/1342 1342 ± 0.00002395 5.336 5.121/5.46 5.315 ± 0.2326
8 1342 1342/1342 1342 ± 0.00002395 5.307 5.086/5.459 5.277 ± 0.2324
9 1342 1342/1342 1342 ± 0.00002395 5.602 5.379/5.773 5.549 ± 0.2897
10 1342 1342/1342 1342 ± 0.00002351 5.987 5.784/6.138 5.929 ± 0.3035
11 1342 1342/1342 1342 ± 0.00002351 6.196 6.047/6.345 6.141 ± 0.3188
12 1342 1342/1342 1342 ± 0.00002351 6.331 6.071/6.521 6.275 ± 0.3442
13 1342 1342/1342 1342 ± 0.00002351 6.773 6.534/6.873 6.7 ± 0.3507
14 1342 1342/1342 1342 ± 0.00002351 6.984 6.72/7.19 6.905 ± 0.3889
15 1342 1342/1342 1342 ± 0.00002351 6.632 6.379/6.803 6.544 ± 0.3941
16 1342 1342/1342 1342 ± 0.00003165 5.882 5.578/6.098 5.862 ± 0.3451
17 1342 1342/1342 1342 ± 0.00002987 5.829 5.594/6.089 5.842 ± 0.3364
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.1.sb38529434.eb38589592.59082.86913579861_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-04-13 04:38:21.876
End
2024-04-13 05:48:35.175
Duration
1:10:13.299
Note, WebLog generation is not included in the time.

CASA logs for stage 7