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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.644 5.478/6.265 5.767 ± 0.7397
ea02 1342 1342/1342 1342 ± 0.00003634 5.795 5.383/6.502 5.772 ± 0.6907
ea03 1342 1342/1342 1342 ± 0 5.548 5.33/6.551 5.868 ± 0.68
ea04 1342 1342/1342 1342 ± 0.00004259 5.31 4.984/6.028 5.382 ± 0.6303
ea05 1342 1342/1342 1342 ± 0.00004277 5.501 5.192/6.446 5.649 ± 0.7617
ea06 1342 1342/1342 1342 ± 0.000004235 5.531 4.978/6.074 5.479 ± 0.6043
ea07 1342 1342/1342 1342 ± 0.00003863 5.445 5.067/6.33 5.585 ± 0.7294
ea08 1342 1342/1342 1342 ± 0.00003089 5.692 5.376/6.776 5.929 ± 0.7662
ea09 1342 1342/1342 1342 ± 0.00003945 5.385 5.037/5.795 5.416 ± 0.6938
ea10 1342 1342/1342 1342 ± 0.00004256 5.111 4.737/5.991 5.252 ± 0.6531
ea11 1342 1342/1342 1342 ± 0.00004661 5.35 4.745/6.143 5.4 ± 0.795
ea13 1342 1342/1342 1342 ± 0.000002298 5.359 5.096/6.076 5.539 ± 0.5286
ea14 1342 1342/1342 1342 ± 0.00004267 5.546 5.262/6.52 5.769 ± 0.74
ea15 1342 1342/1342 1342 ± 0.00004402 5.82 5.505/6.608 5.818 ± 0.8601
ea16 1342 1342/1342 1342 ± 0.000005624 5.914 5.451/6.6 5.984 ± 0.7599
ea17 1342 1342/1342 1342 ± 0.00004194 5.827 5.315/6.664 5.939 ± 0.8051
ea18 1342 1342/1342 1342 ± 0.00002714 5.821 5.506/6.82 5.99 ± 0.771
ea19 1342 1342/1342 1342 ± 0.00001786 5.62 5.338/6.427 5.682 ± 0.7491
ea20 1342 1342/1342 1342 ± 0.00000885 5.532 5.236/6.12 5.681 ± 0.6682
ea21 1342 1342/1342 1342 ± 0 5.094 4.981/5.832 5.321 ± 0.5538
ea22 1342 1342/1342 1342 ± 0.00003489 5.755 5.206/6.516 5.761 ± 0.715
ea23 1342 1342/1342 1342 ± 0.00004305 5.903 5.262/6.513 5.837 ± 0.7587
ea24 1342 1342/1342 1342 ± 0 5.259 4.982/6.228 5.515 ± 0.6821
ea25 1342 1342/1342 1342 ± 0 6.111 5.581/6.749 6.275 ± 0.8195
ea27 1342 1342/1342 1342 ± 0.000001149 5.405 5.056/6.392 5.541 ± 0.8119
ea28 1342 1342/1342 1342 ± 0 5.611 5.447/6.608 5.894 ± 0.7075
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 ± 0.00002348 5.366 5.078/5.458 5.284 ± 0.2489
5 1342 1342/1342 1342 ± 0.00002695 5.184 4.951/5.339 5.158 ± 0.3023
6 1342 1342/1342 1342 ± 0.00002348 5.304 5.095/5.503 5.282 ± 0.2693
7 1342 1342/1342 1342 ± 0.00002348 5.368 5.223/5.593 5.366 ± 0.2463
8 1342 1342/1342 1342 ± 0.00002348 5.381 5.123/5.558 5.346 ± 0.2794
9 1342 1342/1342 1342 ± 0.00002348 5.631 5.534/5.921 5.665 ± 0.3042
10 1342 1342/1342 1342 ± 0.00002392 6.141 6.008/6.31 6.135 ± 0.2842
11 1342 1342/1342 1342 ± 0.00002348 6.468 6.138/6.598 6.401 ± 0.2692
12 1342 1342/1342 1342 ± 0.00002348 6.604 6.351/6.777 6.554 ± 0.3228
13 1342 1342/1342 1342 ± 0.00002348 6.761 6.506/6.999 6.793 ± 0.3878
14 1342 1342/1342 1342 ± 0.00002797 5.959 5.66/6.33 6.063 ± 0.5638
15 1342 1342/1342 1342 ± 0.00002359 6.451 5.924/6.772 6.331 ± 0.5135
16 1342 1342/1342 1342 ± 0.000061 4.645 4.401/4.876 4.668 ± 0.3858
17 1342 1342/1342 1342 ± 0.0000609 4.541 4.363/4.726 4.569 ± 0.312
output_dir
 
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-19 14:15:46.236
End
2025-07-19 15:30:18.944
Duration
1:14:32.708
Note, WebLog generation is not included in the time.

CASA logs for stage 8