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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.344 5.032/5.739 5.45 ± 0.5337
ea02 1342 1342/1342 1342 ± 0 5.577 5.237/6.366 5.792 ± 0.6747
ea04 1342 1342/1342 1342 ± 0 5.203 4.834/5.681 5.321 ± 0.5195
ea05 1342 1342/1342 1342 ± 0 5.594 5.024/5.976 5.559 ± 0.5758
ea06 1342 1342/1342 1342 ± 0 5.117 4.699/5.646 5.195 ± 0.5414
ea07 1342 1342/1342 1342 ± 0 5.747 5.328/5.979 5.765 ± 0.5417
ea08 1342 1342/1342 1342 ± 0 5.536 5.354/6.409 5.867 ± 0.6578
ea09 1342 1342/1342 1342 ± 0 5.618 5.029/6.2 5.638 ± 0.6553
ea10 1342 1342/1342 1342 ± 0 5.699 5.059/6.361 5.728 ± 0.6708
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.615 5.137/6.134 5.711 ± 0.6134
ea13 1342 1342/1342 1342 ± 0 5.921 5.643/6.26 6.026 ± 0.4988
ea14 1342 1342/1342 1342 ± 0 5.612 5.091/6.198 5.691 ± 0.6494
ea15 1342 1342/1342 1342 ± 0 5.425 4.919/6.006 5.558 ± 0.6673
ea16 1342 1342/1342 1342 ± 0 6.075 5.441/6.604 6.12 ± 0.7127
ea17 1342 1342/1342 1342 ± 0.000004497 5.761 5.331/6.314 5.883 ± 0.6641
ea18 1342 1342/1342 1342 ± 0 4.82 4.501/5.313 4.924 ± 0.5054
ea19 1342 1342/1342 1342 ± 0 5.881 5.352/6.42 5.993 ± 0.6097
ea20 1342 1342/1342 1342 ± 0 6.157 5.507/6.712 6.065 ± 0.6362
ea21 1342 1342/1342 1342 ± 0 5.528 5.198/6.026 5.655 ± 0.534
ea22 1342 1342/1342 1342 ± 0 5.454 5.138/6.257 5.688 ± 0.6497
ea23 1342 1342/1342 1342 ± 0 5.814 5.271/6.229 5.867 ± 0.6691
ea25 1342 1342/1342 1342 ± 0.00001014 5.273 5.044/5.874 5.457 ± 0.5624
ea26 1342 1342/1342 1342 ± 0 5.894 5.496/6.518 6.02 ± 0.6777
ea27 1342 1342/1342 1342 ± 0.0000345 5.387 5.043/6.174 5.547 ± 0.596
ea28 1342 1342/1342 1342 ± 0.00001248 5.49 5.164/6.177 5.649 ± 0.656
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 ± 0.00002392 5.199 5.044/5.492 5.236 ± 0.2626
3 1342 1342/1342 1342 ± 0.00002417 5.037 4.846/5.369 5.088 ± 0.3458
4 1342 1342/1342 1342 ± 0.00002489 5.019 4.879/5.208 5.024 ± 0.3163
5 1342 1342/1342 1342 ± 0.00002392 5.199 4.934/5.312 5.14 ± 0.3114
6 1342 1342/1342 1342 ± 0.00002392 5.051 4.98/5.295 5.08 ± 0.2785
7 1342 1342/1342 1342 ± 0.00002392 5.157 5.012/5.279 5.144 ± 0.2515
8 1342 1342/1342 1342 ± 0.00002392 5.194 4.911/5.301 5.113 ± 0.2693
9 1342 1342/1342 1342 ± 0.00002392 5.396 5.248/5.671 5.407 ± 0.3095
10 1342 1342/1342 1342 ± 0.00002392 5.85 5.696/6.08 5.85 ± 0.3008
11 1342 1342/1342 1342 ± 0.00002392 6.146 5.932/6.287 6.064 ± 0.3164
12 1342 1342/1342 1342 ± 0.00002392 6.241 5.999/6.415 6.218 ± 0.3395
13 1342 1342/1342 1342 ± 0.00002392 6.647 6.531/6.769 6.632 ± 0.3402
14 1342 1342/1342 1342 ± 0.00002392 6.829 6.579/7.081 6.797 ± 0.3642
15 1342 1342/1342 1342 ± 0.00002392 6.567 6.31/6.754 6.497 ± 0.3591
16 1342 1342/1342 1342 ± 0.00003165 5.729 5.492/6.111 5.806 ± 0.3566
17 1342 1342/1342 1342 ± 0.00003211 5.787 5.588/6.053 5.807 ± 0.3217
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
statwtmode
VLASS-SE
Start time
2025-02-05 02:49:18.550
End
2025-02-05 03:19:30.639
Duration
0:30:12.089
Note, WebLog generation is not included in the time.

CASA logs for stage 8