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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.4 5.737/6.78 6.277 ± 0.7073
ea03 1342 1342/1342 1342 ± 0.00002955 5.726 5.246/6.539 5.839 ± 0.7745
ea04 1342 1342/1342 1342 ± 0 5.625 5.142/6.189 5.75 ± 0.65
ea05 1342 1342/1342 1342 ± 0 5.922 5.638/6.867 6.172 ± 0.7519
ea06 1342 1342/1342 1342 ± 0 6.367 5.481/6.505 6.086 ± 0.6507
ea07 1342 1342/1342 1342 ± 0 5.871 5.288/6.172 5.869 ± 0.6436
ea08 1342 1342/1342 1342 ± 0 6.161 5.527/6.729 6.235 ± 0.7372
ea09 1342 1342/1342 1342 ± 0 5.917 5.431/6.657 6.129 ± 0.7541
ea10 1342 1342/1342 1342 ± 0 5.852 5.594/6.864 6.136 ± 0.694
ea11 1342 1342/1342 1342 ± 0 6.236 5.307/6.786 6.161 ± 0.8445
ea12 1342 1342/1342 1342 ± 0 6.398 5.604/6.777 6.342 ± 0.7558
ea13 1342 1342/1342 1342 ± 0 5.909 5.81/6.433 6.111 ± 0.5112
ea14 1342 1342/1342 1342 ± 0 6.004 5.591/6.834 6.237 ± 0.7074
ea15 1342 1342/1342 1342 ± 0 5.401 4.75/5.693 5.277 ± 0.608
ea16 1342 1342/1342 1342 ± 0 6.085 5.654/6.62 6.22 ± 0.7659
ea17 1342 1342/1342 1342 ± 0 6.402 5.888/7.448 6.58 ± 0.7848
ea18 1342 1342/1342 1342 ± 0 5.135 4.728/5.602 5.188 ± 0.5394
ea19 1342 1342/1342 1342 ± 0 6.165 5.863/7.046 6.41 ± 0.7667
ea20 1342 1342/1342 1342 ± 0 5.899 5.65/6.867 6.127 ± 0.7335
ea21 1342 1342/1342 1342 ± 0 5.509 5.375/6.434 5.81 ± 0.6451
ea22 1342 1342/1342 1342 ± 0 6.2 5.323/6.575 5.976 ± 0.7213
ea23 1342 1342/1342 1342 ± 0 6.124 5.684/6.761 6.278 ± 0.7678
ea24 1342 1342/1342 1342 ± 0 6.149 5.164/6.502 5.864 ± 0.6392
ea25 1342 1342/1342 1342 ± 0 6.178 5.597/6.658 6.27 ± 0.7581
ea26 1342 1342/1342 1342 ± 0 6.252 5.73/7.013 6.425 ± 0.8038
ea27 1342 1342/1342 1342 ± 0 5.915 5.44/6.975 6.115 ± 0.7691
ea28 1342 1342/1342 1342 ± 0 6.099 5.676/6.848 6.275 ± 0.7608
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 ± 0.00002307 5.557 5.362/5.713 5.537 ± 0.3147
3 1342 1342/1342 1342 ± 0.0000235 5.219 5.032/5.339 5.191 ± 0.2917
4 1342 1342/1342 1342 ± 0.0000283 5.162 4.995/5.399 5.169 ± 0.3457
5 1342 1342/1342 1342 ± 0.00002307 5.554 5.293/5.676 5.448 ± 0.34
6 1342 1342/1342 1342 ± 0.00002307 5.465 5.241/5.651 5.427 ± 0.287
7 1342 1342/1342 1342 ± 0.00002307 5.569 5.333/5.725 5.497 ± 0.299
8 1342 1342/1342 1342 ± 0.00002307 5.51 5.256/5.73 5.466 ± 0.3358
9 1342 1342/1342 1342 ± 0.00002307 5.908 5.616/6.048 5.794 ± 0.3325
10 1342 1342/1342 1342 ± 0.00002307 6.409 6.154/6.478 6.281 ± 0.3487
11 1342 1342/1342 1342 ± 0.00002307 6.582 6.426/6.771 6.527 ± 0.3596
12 1342 1342/1342 1342 ± 0.00002307 6.779 6.46/6.873 6.677 ± 0.4115
13 1342 1342/1342 1342 ± 0.00002307 7.257 6.865/7.52 7.172 ± 0.4335
14 1342 1342/1342 1342 ± 0.00002307 7.488 7.162/7.701 7.378 ± 0.4284
15 1342 1342/1342 1342 ± 0.00002307 7.054 6.726/7.232 6.956 ± 0.4008
16 1342 1342/1342 1342 ± 0.00002307 6.223 5.857/6.455 6.231 ± 0.4044
17 1342 1342/1342 1342 ± 0.00002307 6.181 5.919/6.465 6.173 ± 0.4008
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-06-07 18:38:52.261
End
2025-06-07 19:46:05.734
Duration
1:07:13.473
Note, WebLog generation is not included in the time.

CASA logs for stage 8