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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.197 5.712/6.661 6.23 ± 0.607
ea02 1342 1342/1342 1342 ± 0.00002955 6.127 5.46/6.689 6.051 ± 0.8946
ea03 1342 1342/1342 1342 ± 0 5.574 5.16/6.443 5.724 ± 0.8296
ea04 1342 1342/1342 1342 ± 0 5.72 5.265/6.413 5.832 ± 0.5915
ea06 1342 1342/1342 1342 ± 0 6.49 5.661/6.633 6.226 ± 0.6212
ea07 1342 1342/1342 1342 ± 0 6.076 5.546/6.462 6.116 ± 0.6168
ea08 1342 1342/1342 1342 ± 0 6.208 5.708/6.857 6.346 ± 0.7184
ea09 1342 1342/1342 1342 ± 0 6.032 5.452/6.809 6.121 ± 0.699
ea10 1342 1342/1342 1342 ± 0 6.121 5.509/6.764 6.088 ± 0.7503
ea11 1342 1342/1342 1342 ± 0 6.277 5.465/6.741 6.19 ± 0.7748
ea12 1342 1342/1342 1342 ± 0 6.072 5.565/6.71 6.207 ± 0.7546
ea13 1342 1342/1342 1342 ± 0 5.929 5.756/6.44 6.087 ± 0.5505
ea14 1342 1342/1342 1342 ± 0 6.416 5.666/6.871 6.382 ± 0.7109
ea15 1342 1342/1342 1342 ± 0 5.638 5.068/5.998 5.595 ± 0.6898
ea16 1342 1342/1342 1342 ± 0 6.194 5.742/6.82 6.329 ± 0.7332
ea17 1342 1342/1342 1342 ± 0 6.556 6.172/7.395 6.767 ± 0.7035
ea18 1342 1342/1342 1342 ± 0 4.549 4.288/4.941 4.646 ± 0.4344
ea19 1342 1342/1342 1342 ± 0.000003298 6.306 5.808/6.915 6.436 ± 0.7335
ea20 1342 1342/1342 1342 ± 0 6.006 5.636/6.729 6.13 ± 0.7676
ea21 1342 1342/1342 1342 ± 0 6.016 5.634/6.621 6.155 ± 0.6399
ea22 1342 1342/1342 1342 ± 0 6.37 5.548/6.81 6.234 ± 0.7313
ea23 1342 1342/1342 1342 ± 0 6.211 5.719/6.693 6.261 ± 0.7769
ea24 1342 1342/1342 1342 ± 0 5.926 5.2/6.396 5.803 ± 0.5789
ea25 1342 1342/1342 1342 ± 0 6.636 5.755/7.103 6.534 ± 0.8295
ea26 1342 1342/1342 1342 ± 0 6.429 5.839/7.23 6.499 ± 0.7089
ea27 1342 1342/1342 1342 ± 0 6.034 5.532/6.879 6.142 ± 0.8044
ea28 1342 1342/1342 1342 ± 0 6.157 5.783/6.938 6.367 ± 0.8012
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 ± 0.00002306 5.655 5.476/5.882 5.601 ± 0.3393
3 1342 1342/1342 1342 ± 0.00002661 4.983 4.557/5.394 4.953 ± 0.615
4 1342 1342/1342 1342 ± 0.00002417 5.491 5.211/5.639 5.414 ± 0.4345
5 1342 1342/1342 1342 ± 0.00002306 5.661 5.34/5.758 5.547 ± 0.3841
6 1342 1342/1342 1342 ± 0.00002306 5.554 5.35/5.745 5.503 ± 0.3294
7 1342 1342/1342 1342 ± 0.00002306 5.656 5.418/5.752 5.565 ± 0.3346
8 1342 1342/1342 1342 ± 0.00002306 5.556 5.348/5.785 5.517 ± 0.3738
9 1342 1342/1342 1342 ± 0.00002306 5.927 5.712/6.089 5.839 ± 0.4001
10 1342 1342/1342 1342 ± 0.00002306 6.418 6.236/6.53 6.292 ± 0.4191
11 1342 1342/1342 1342 ± 0.00002306 6.636 6.425/6.772 6.525 ± 0.4246
12 1342 1342/1342 1342 ± 0.00002306 6.799 6.569/6.828 6.67 ± 0.4586
13 1342 1342/1342 1342 ± 0.00002306 7.238 7.016/7.473 7.165 ± 0.4925
14 1342 1342/1342 1342 ± 0.00002306 7.455 7.315/7.711 7.389 ± 0.5023
15 1342 1342/1342 1342 ± 0.00002306 7.113 6.953/7.329 7.035 ± 0.4713
16 1342 1342/1342 1342 ± 0.00002306 6.337 6.178/6.655 6.363 ± 0.4576
17 1342 1342/1342 1342 ± 0.00002319 6.317 6.138/6.607 6.322 ± 0.4478
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-05-23 12:49:13.300
End
2025-05-23 14:02:02.486
Duration
1:12:49.186
Note, WebLog generation is not included in the time.

CASA logs for stage 8