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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.161 5.071/5.697 5.454 ± 0.5089
ea02 1342 1342/1342 1342 ± 0.00001823 5.434 5.234/6.344 5.771 ± 0.6967
ea04 1342 1342/1342 1342 ± 0 5.165 4.924/5.91 5.345 ± 0.5742
ea05 1342 1342/1342 1342 ± 0 5.352 4.917/5.939 5.482 ± 0.6237
ea06 1342 1342/1342 1342 ± 0 4.613 4.456/5.298 4.834 ± 0.5007
ea07 1342 1342/1342 1342 ± 0 5.429 4.954/5.759 5.48 ± 0.5779
ea08 1342 1342/1342 1342 ± 0.00002839 5.442 5.269/6.371 5.78 ± 0.6233
ea09 1342 1342/1342 1342 ± 0 5.343 5.076/6.244 5.539 ± 0.6224
ea10 1342 1342/1342 1342 ± 0.000003884 5.235 4.821/5.96 5.343 ± 0.6187
ea11 1342 1342/1342 1342 ± 0 5.296 5.055/6.256 5.628 ± 0.6713
ea12 1342 1342/1342 1342 ± 0 5.236 5.089/6.122 5.576 ± 0.6705
ea13 1342 1342/1342 1342 ± 0 5.588 5.511/6.214 5.9 ± 0.5303
ea14 1342 1342/1342 1342 ± 0 5.79 5.1/6.235 5.677 ± 0.6706
ea15 1342 1342/1342 1342 ± 0 5.35 4.815/5.872 5.387 ± 0.6447
ea16 1342 1342/1342 1342 ± 0 5.721 5.258/6.306 5.872 ± 0.7294
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.000007757 4.804 4.606/5.37 4.948 ± 0.543
ea19 1342 1342/1342 1342 ± 0 5.559 5.138/6.283 5.722 ± 0.6702
ea20 1342 1342/1342 1342 ± 0.000007863 5.684 5.41/6.574 5.97 ± 0.6923
ea21 1342 1342/1342 1342 ± 0 5.246 4.943/5.942 5.459 ± 0.5958
ea22 1342 1342/1342 1342 ± 0.000004124 5.319 5.067/6.285 5.634 ± 0.6597
ea23 1342 1342/1342 1342 ± 0 5.653 5.14/6.241 5.706 ± 0.689
ea25 1342 1342/1342 1342 ± 0.00004121 5.118 5.011/5.962 5.445 ± 0.5833
ea26 1342 1342/1342 1342 ± 0 5.544 5.36/6.533 5.831 ± 0.6354
ea27 1342 1342/1342 1342 ± 0.00002841 5.455 4.984/6.161 5.528 ± 0.5986
ea28 1342 1342/1342 1342 ± 0.00004104 5.522 5.191/6.316 5.732 ± 0.6199
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 ± 0.00002431 5.074 4.893/5.244 5.099 ± 0.276
3 1342 1342/1342 1342 ± 0.00002431 5.141 4.963/5.233 5.104 ± 0.2289
4 1342 1342/1342 1342 ± 0.00003159 4.652 4.473/4.786 4.593 ± 0.2868
5 1342 1342/1342 1342 ± 0.00002431 4.946 4.871/5.098 4.983 ± 0.2736
6 1342 1342/1342 1342 ± 0.00002431 4.961 4.822/5.189 4.977 ± 0.2615
7 1342 1342/1342 1342 ± 0.00002431 5.08 4.922/5.193 5.064 ± 0.2424
8 1342 1342/1342 1342 ± 0.00002431 5.082 4.856/5.224 5.048 ± 0.2591
9 1342 1342/1342 1342 ± 0.00002431 5.357 5.182/5.553 5.341 ± 0.2892
10 1342 1342/1342 1342 ± 0.00002431 5.773 5.661/5.945 5.768 ± 0.2716
11 1342 1342/1342 1342 ± 0.00002431 6.055 5.861/6.219 6.003 ± 0.3051
12 1342 1342/1342 1342 ± 0.00002431 6.2 5.963/6.317 6.147 ± 0.3029
13 1342 1342/1342 1342 ± 0.00002432 6.59 6.37/6.743 6.551 ± 0.3367
14 1342 1342/1342 1342 ± 0.00002431 6.773 6.536/6.968 6.711 ± 0.3602
15 1342 1342/1342 1342 ± 0.00002431 6.369 6.154/6.644 6.335 ± 0.3638
16 1342 1342/1342 1342 ± 0.00004299 5.463 5.214/5.657 5.43 ± 0.3639
17 1342 1342/1342 1342 ± 0.00004729 5.412 5.209/5.661 5.437 ± 0.3769
datacolumn
residual_data
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-01-23 03:36:50.465
End
2025-01-23 04:04:54.941
Duration
0:28:04.476
Note, WebLog generation is not included in the time.

CASA logs for stage 8