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 5.578 5.25/6.048 5.67 ± 0.5448
ea02 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.501 5.112/6.067 5.64 ± 0.5637
ea05 1342 1342/1342 1342 ± 0 5.731 5.307/6.282 5.81 ± 0.5896
ea06 1342 1342/1342 1342 ± 0 5.055 4.821/5.474 5.141 ± 0.3938
ea07 1342 1342/1342 1342 ± 0 5.892 5.398/6.216 5.931 ± 0.5781
ea08 1342 1342/1342 1342 ± 0 5.876 5.43/6.53 6.011 ± 0.6603
ea09 1342 1342/1342 1342 ± 0 5.705 5.146/6.36 5.736 ± 0.6225
ea10 1342 1342/1342 1342 ± 0 5.763 5.239/6.508 5.839 ± 0.6622
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.809 5.346/6.373 5.941 ± 0.635
ea13 1342 1342/1342 1342 ± 0 5.937 5.648/6.297 6.041 ± 0.5001
ea14 1342 1342/1342 1342 ± 0 5.755 5.239/6.312 5.793 ± 0.6426
ea15 1342 1342/1342 1342 ± 0 5.552 5.066/6.114 5.653 ± 0.6698
ea16 1342 1342/1342 1342 ± 0 6.072 5.616/6.55 6.169 ± 0.7215
ea17 1342 1342/1342 1342 ± 0.000002669 5.948 5.53/6.452 6.058 ± 0.6312
ea18 1342 1342/1342 1342 ± 0 5.015 4.726/5.432 5.112 ± 0.5014
ea19 1342 1342/1342 1342 ± 0 5.954 5.53/6.577 6.12 ± 0.6203
ea20 1342 1342/1342 1342 ± 0 6.103 5.731/6.756 6.218 ± 0.6458
ea21 1342 1342/1342 1342 ± 0 5.58 5.309/6.206 5.752 ± 0.5439
ea22 1342 1342/1342 1342 ± 0 5.648 5.171/6.292 5.749 ± 0.6528
ea23 1342 1342/1342 1342 ± 0 5.943 5.42/6.522 6.021 ± 0.663
ea25 1342 1342/1342 1342 ± 0 5.54 5.163/6.125 5.622 ± 0.5671
ea26 1342 1342/1342 1342 ± 0 5.985 5.561/6.601 6.076 ± 0.664
ea27 1342 1342/1342 1342 ± 0.00001797 5.549 5.206/6.35 5.708 ± 0.6202
ea28 1342 1342/1342 1342 ± 0 5.577 5.31/6.317 5.802 ± 0.6358
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 ± 0.00002444 5.386 5.17/5.586 5.363 ± 0.2461
3 1342 1342/1342 1342 ± 0.00002615 5.025 4.893/5.302 5.081 ± 0.2682
4 1342 1342/1342 1342 ± 0.00002458 5.104 4.955/5.313 5.112 ± 0.2856
5 1342 1342/1342 1342 ± 0.00002444 5.335 5.095/5.447 5.301 ± 0.2969
6 1342 1342/1342 1342 ± 0.00002444 5.275 5.08/5.448 5.254 ± 0.2708
7 1342 1342/1342 1342 ± 0.00002444 5.337 5.184/5.533 5.324 ± 0.2439
8 1342 1342/1342 1342 ± 0.00002444 5.337 5.094/5.517 5.285 ± 0.2734
9 1342 1342/1342 1342 ± 0.00002444 5.553 5.404/5.829 5.563 ± 0.3003
10 1342 1342/1342 1342 ± 0.00002444 6 5.853/6.175 5.986 ± 0.2966
11 1342 1342/1342 1342 ± 0.00002444 6.27 6.131/6.451 6.211 ± 0.3179
12 1342 1342/1342 1342 ± 0.00002444 6.391 6.152/6.535 6.352 ± 0.3379
13 1342 1342/1342 1342 ± 0.00002444 6.789 6.653/7.008 6.773 ± 0.3569
14 1342 1342/1342 1342 ± 0.00002444 6.953 6.77/7.231 6.932 ± 0.386
15 1342 1342/1342 1342 ± 0.00002444 6.651 6.455/6.812 6.57 ± 0.3681
16 1342 1342/1342 1342 ± 0.00002679 5.955 5.798/6.22 5.945 ± 0.3206
17 1342 1342/1342 1342 ± 0.00002603 5.935 5.776/6.163 5.922 ± 0.3032
vis
VLASS2.1.sb38541375.eb38627613.59093.84554634259_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2024-05-01 08:51:50.996
End
2024-05-01 09:58:36.129
Duration
1:06:45.133
Note, WebLog generation is not included in the time.

CASA logs for stage 7