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

Statwt Summary Plot

VLASS2.1.sb38619162.eb38631105.59096.06071193287_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 5.524 5.222/5.987 5.666 ± 0.529
ea02 1342 1342/1342 1342 ± 0 5.67 5.403/6.451 5.93 ± 0.666
ea04 1342 1342/1342 1342 ± 0 5.431 5.116/6.03 5.625 ± 0.5693
ea05 1342 1342/1342 1342 ± 0 5.681 5.28/6.161 5.774 ± 0.5854
ea06 1342 1342/1342 1342 ± 0 5.1 4.876/5.494 5.195 ± 0.4003
ea07 1342 1342/1342 1342 ± 0 6.097 5.406/6.262 5.986 ± 0.6057
ea08 1342 1342/1342 1342 ± 0 5.722 5.465/6.58 6.048 ± 0.6846
ea09 1342 1342/1342 1342 ± 0 5.676 5.191/6.232 5.74 ± 0.6119
ea10 1342 1342/1342 1342 ± 0 5.995 5.282/6.582 5.95 ± 0.6768
ea11 1342 1342/1342 1342 ± 0 5.819 5.135/6.345 5.83 ± 0.6737
ea12 1342 1342/1342 1342 ± 0 5.921 5.312/6.407 5.976 ± 0.6666
ea13 1342 1342/1342 1342 ± 0 6.245 5.771/6.37 6.184 ± 0.4941
ea14 1342 1342/1342 1342 ± 0 5.935 5.246/6.407 5.916 ± 0.6708
ea15 1342 1342/1342 1342 ± 0 5.581 5.11/6.257 5.747 ± 0.6973
ea16 1342 1342/1342 1342 ± 0 6.059 5.643/6.749 6.253 ± 0.7317
ea17 1342 1342/1342 1342 ± 0 5.883 5.531/6.469 6.072 ± 0.6333
ea18 1342 1342/1342 1342 ± 0 5.104 4.714/5.573 5.144 ± 0.5287
ea19 1342 1342/1342 1342 ± 0 5.951 5.549/6.687 6.178 ± 0.6544
ea20 1342 1342/1342 1342 ± 0 6.314 5.691/6.91 6.265 ± 0.6551
ea21 1342 1342/1342 1342 ± 0 5.684 5.334/6.189 5.816 ± 0.5533
ea22 1342 1342/1342 1342 ± 0 5.476 5.243/6.342 5.768 ± 0.6476
ea23 1342 1342/1342 1342 ± 0 6.157 5.406/6.549 6.107 ± 0.7024
ea25 1342 1342/1342 1342 ± 0.000001564 5.482 5.187/6.129 5.692 ± 0.5724
ea26 1342 1342/1342 1342 ± 0 6.113 5.631/6.898 6.203 ± 0.6518
ea27 1342 1342/1342 1342 ± 0.00001387 5.517 5.21/6.321 5.72 ± 0.5947
ea28 1342 1342/1342 1342 ± 0.00001295 5.63 5.345/6.374 5.878 ± 0.6419
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 ± 0.00002348 5.292 5.157/5.566 5.33 ± 0.2489
3 1342 1342/1342 1342 ± 0.00003046 5.26 5.108/5.475 5.29 ± 0.2267
4 1342 1342/1342 1342 ± 0.00002373 5.238 5.041/5.403 5.21 ± 0.304
5 1342 1342/1342 1342 ± 0.00002348 5.322 5.098/5.46 5.312 ± 0.3078
6 1342 1342/1342 1342 ± 0.00002348 5.285 5.063/5.466 5.263 ± 0.2815
7 1342 1342/1342 1342 ± 0.00002348 5.313 5.165/5.471 5.326 ± 0.2478
8 1342 1342/1342 1342 ± 0.00002348 5.337 5.113/5.466 5.286 ± 0.2623
9 1342 1342/1342 1342 ± 0.00002348 5.571 5.409/5.826 5.56 ± 0.3077
10 1342 1342/1342 1342 ± 0.00002348 6.019 5.87/6.183 5.996 ± 0.2967
11 1342 1342/1342 1342 ± 0.00002348 6.294 6.099/6.403 6.215 ± 0.3076
12 1342 1342/1342 1342 ± 0.00002348 6.402 6.21/6.575 6.377 ± 0.3331
13 1342 1342/1342 1342 ± 0.00002348 6.818 6.739/7.05 6.828 ± 0.3523
14 1342 1342/1342 1342 ± 0.00002348 7.063 6.836/7.239 7.016 ± 0.3878
15 1342 1342/1342 1342 ± 0.00002348 6.756 6.528/6.948 6.671 ± 0.3904
16 1342 1342/1342 1342 ± 0.00002637 5.987 5.678/6.302 5.984 ± 0.3935
17 1342 1342/1342 1342 ± 0.00002477 6.038 5.736/6.287 5.995 ± 0.369
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38619162.eb38631105.59096.06071193287_split_split.ms
Start time
2025-01-23 05:05:30.489
End
2025-01-23 05:33:43.333
Duration
0:28:12.844
Note, WebLog generation is not included in the time.

CASA logs for stage 8