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 6.094 5.772/6.669 6.296 ± 0.594
ea02 1342 1342/1342 1342 ± 0.00002955 6.184 5.558/6.709 6.105 ± 0.864
ea03 1342 1342/1342 1342 ± 0.000003087 5.573 5.227/6.439 5.741 ± 0.8094
ea04 1342 1342/1342 1342 ± 0 5.825 5.39/6.544 5.928 ± 0.625
ea06 1342 1342/1342 1342 ± 0 6.098 5.706/6.601 6.209 ± 0.5833
ea07 1342 1342/1342 1342 ± 0 6.102 5.565/6.492 6.137 ± 0.6128
ea08 1342 1342/1342 1342 ± 0 6.197 5.802/6.857 6.371 ± 0.7035
ea09 1342 1342/1342 1342 ± 0 6.051 5.551/6.818 6.176 ± 0.6882
ea10 1342 1342/1342 1342 ± 0 6.265 5.633/6.828 6.163 ± 0.6995
ea11 1342 1342/1342 1342 ± 0 6.275 5.506/6.73 6.201 ± 0.7568
ea12 1342 1342/1342 1342 ± 0 6.152 5.642/6.712 6.225 ± 0.7763
ea13 1342 1342/1342 1342 ± 0 6.03 5.772/6.498 6.155 ± 0.5847
ea14 1342 1342/1342 1342 ± 0 6.424 5.82/6.868 6.452 ± 0.6688
ea15 1342 1342/1342 1342 ± 0 5.636 5.079/5.999 5.586 ± 0.6959
ea16 1342 1342/1342 1342 ± 0 6.219 5.782/6.819 6.342 ± 0.7245
ea17 1342 1342/1342 1342 ± 0 6.58 6.231/7.297 6.794 ± 0.6587
ea18 1342 1342/1342 1342 ± 0 4.552 4.294/4.908 4.62 ± 0.431
ea19 1342 1342/1342 1342 ± 0 6.381 5.911/7.001 6.487 ± 0.7239
ea20 1342 1342/1342 1342 ± 0 6.075 5.738/6.741 6.185 ± 0.7329
ea21 1342 1342/1342 1342 ± 0 6.06 5.713/6.632 6.2 ± 0.6033
ea22 1342 1342/1342 1342 ± 0 6.389 5.595/6.798 6.246 ± 0.7138
ea23 1342 1342/1342 1342 ± 0 6.274 5.785/6.701 6.308 ± 0.7723
ea24 1342 1342/1342 1342 ± 0 6.001 5.266/6.434 5.862 ± 0.5875
ea25 1342 1342/1342 1342 ± 0 6.651 5.818/7.181 6.584 ± 0.79
ea26 1342 1342/1342 1342 ± 0 6.462 5.935/7.234 6.544 ± 0.7141
ea27 1342 1342/1342 1342 ± 0 5.987 5.633/6.904 6.173 ± 0.7758
ea28 1342 1342/1342 1342 ± 0 6.205 5.872/7.011 6.428 ± 0.7824
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 ± 0.00002305 5.758 5.534/5.995 5.7 ± 0.3558
3 1342 1342/1342 1342 ± 0.0000266 4.887 4.643/5.268 4.942 ± 0.6035
4 1342 1342/1342 1342 ± 0.00002466 5.518 5.191/5.724 5.432 ± 0.4937
5 1342 1342/1342 1342 ± 0.00002305 5.773 5.443/5.882 5.65 ± 0.4157
6 1342 1342/1342 1342 ± 0.00002305 5.664 5.411/5.83 5.584 ± 0.3423
7 1342 1342/1342 1342 ± 0.00002305 5.715 5.493/5.818 5.628 ± 0.3482
8 1342 1342/1342 1342 ± 0.00002305 5.618 5.357/5.822 5.567 ± 0.3787
9 1342 1342/1342 1342 ± 0.00002305 5.981 5.765/6.125 5.884 ± 0.4099
10 1342 1342/1342 1342 ± 0.00002305 6.428 6.248/6.542 6.313 ± 0.423
11 1342 1342/1342 1342 ± 0.00002305 6.622 6.432/6.782 6.538 ± 0.4267
12 1342 1342/1342 1342 ± 0.00002305 6.787 6.527/6.84 6.68 ± 0.4641
13 1342 1342/1342 1342 ± 0.00002305 7.242 7.012/7.484 7.175 ± 0.4935
14 1342 1342/1342 1342 ± 0.00002305 7.481 7.31/7.738 7.408 ± 0.5058
15 1342 1342/1342 1342 ± 0.00002306 7.09 6.932/7.334 7.05 ± 0.4709
16 1342 1342/1342 1342 ± 0.00002305 6.407 6.237/6.712 6.38 ± 0.4514
17 1342 1342/1342 1342 ± 0.00002317 6.457 6.091/6.59 6.322 ± 0.4799
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-05-23 18:01:39.061
End
2025-05-23 19:07:31.935
Duration
1:05:52.874
Note, WebLog generation is not included in the time.

CASA logs for stage 8