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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.376 5.954/6.863 6.506 ± 0.5967
ea03 1342 1342/1342 1342 ± 0.000001619 5.678 5.209/6.705 5.913 ± 0.7177
ea04 1342 1342/1342 1342 ± 0 6.224 5.784/6.728 6.333 ± 0.6471
ea05 1342 1342/1342 1342 ± 0 6.095 5.828/7.049 6.357 ± 0.7087
ea06 1342 1342/1342 1342 ± 0 6.33 5.889/6.764 6.36 ± 0.5668
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 6.089 5.703/6.729 6.258 ± 0.5955
ea09 1342 1342/1342 1342 ± 0 6.198 5.645/6.891 6.322 ± 0.6704
ea10 1342 1342/1342 1342 ± 0 7.111 6.783/7.393 7.028 ± 0.4488
ea11 1342 1342/1342 1342 ± 0 6.174 5.632/6.832 6.296 ± 0.7031
ea12 1342 1342/1342 1342 ± 0 6.467 5.894/7.042 6.586 ± 0.6839
ea13 1342 1342/1342 1342 ± 0 5.794 5.369/6.094 5.836 ± 0.4299
ea14 1342 1342/1342 1342 ± 0 6.381 5.951/6.994 6.557 ± 0.6507
ea15 1342 1342/1342 1342 ± 0 5.952 5.496/6.588 6.071 ± 0.629
ea16 1342 1342/1342 1342 ± 0 6.546 6.047/7.041 6.596 ± 0.6925
ea17 1342 1342/1342 1342 ± 0 6.862 6.551/7.844 7.089 ± 0.6859
ea18 1342 1342/1342 1342 ± 0 5.192 4.849/5.58 5.235 ± 0.4865
ea19 1342 1342/1342 1342 ± 0 6.538 6.087/7.307 6.688 ± 0.6866
ea20 1342 1342/1342 1342 ± 0 5.78 5.633/6.689 6.06 ± 0.6021
ea21 1342 1342/1342 1342 ± 0 5.517 5.308/6.029 5.699 ± 0.4637
ea22 1342 1342/1342 1342 ± 0 6.214 5.587/6.617 6.147 ± 0.5698
ea23 1342 1342/1342 1342 ± 0 6.196 5.992/6.93 6.479 ± 0.6711
ea24 1342 1342/1342 1342 ± 0 6.087 5.378/6.563 5.98 ± 0.58
ea25 1342 1342/1342 1342 ± 0 6.861 6.109/7.153 6.759 ± 0.7633
ea26 1342 1342/1342 1342 ± 0 6.713 6.154/7.468 6.812 ± 0.6941
ea27 1342 1342/1342 1342 ± 0 6.048 5.738/7.038 6.356 ± 0.6502
ea28 1342 1342/1342 1342 ± 0 6.25 5.94/7.126 6.535 ± 0.662
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 ± 0.00002394 5.93 5.686/6.21 5.873 ± 0.3539
4 1342 1342/1342 1342 ± 0.00002394 5.525 5.241/5.797 5.529 ± 0.4377
5 1342 1342/1342 1342 ± 0.00002394 5.862 5.617/6.089 5.821 ± 0.3819
6 1342 1342/1342 1342 ± 0.00002394 5.732 5.489/5.871 5.679 ± 0.3177
7 1342 1342/1342 1342 ± 0.00002394 5.849 5.61/5.951 5.768 ± 0.3307
8 1342 1342/1342 1342 ± 0.00002394 5.669 5.473/5.97 5.716 ± 0.3835
9 1342 1342/1342 1342 ± 0.00002394 6.04 5.744/6.291 6.007 ± 0.3833
10 1342 1342/1342 1342 ± 0.0000235 6.59 6.224/6.699 6.455 ± 0.3705
11 1342 1342/1342 1342 ± 0.0000235 6.759 6.536/6.964 6.693 ± 0.3867
12 1342 1342/1342 1342 ± 0.0000235 6.885 6.622/7.064 6.828 ± 0.4549
13 1342 1342/1342 1342 ± 0.0000235 7.357 7.067/7.693 7.296 ± 0.509
14 1342 1342/1342 1342 ± 0.0000235 7.532 7.24/7.832 7.502 ± 0.5081
15 1342 1342/1342 1342 ± 0.0000235 7.099 6.767/7.484 7.087 ± 0.4917
16 1342 1342/1342 1342 ± 0.0000235 6.274 5.968/6.669 6.324 ± 0.5142
17 1342 1342/1342 1342 ± 0.00002353 6.254 5.97/6.489 6.2 ± 0.492
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
Start time
2025-06-12 05:47:06.864
End
2025-06-12 06:56:46.292
Duration
1:09:39.428
Note, WebLog generation is not included in the time.

CASA logs for stage 8