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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.765 5.689/6.529 6.098 ± 0.6257
ea02 1342 1342/1342 1342 ± 0.0000415 6.365 5.862/7.005 6.488 ± 0.68
ea03 1342 1342/1342 1342 ± 0 5.871 5.098/6.316 5.766 ± 0.6479
ea04 1342 1342/1342 1342 ± 0.000004856 5.868 5.457/6.55 5.965 ± 0.6366
ea05 1342 1342/1342 1342 ± 0 6.156 5.678/6.8 6.115 ± 0.7228
ea06 1342 1342/1342 1342 ± 0 5.135 4.988/5.518 5.248 ± 0.3423
ea07 1342 1342/1342 1342 ± 0 6.293 5.912/6.703 6.419 ± 0.693
ea08 1342 1342/1342 1342 ± 0 6.283 5.885/7.111 6.502 ± 0.7425
ea09 1342 1342/1342 1342 ± 0 6.081 5.586/6.809 6.199 ± 0.7487
ea10 1342 1342/1342 1342 ± 0 6.202 5.74/7.073 6.345 ± 0.7288
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.284 5.675/6.741 6.287 ± 0.7552
ea13 1342 1342/1342 1342 ± 0 6.621 6.115/6.881 6.48 ± 0.6581
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.354 5.833/6.884 6.415 ± 0.7502
ea16 1342 1342/1342 1342 ± 0 6.433 6.013/7.091 6.514 ± 0.8002
ea17 1342 1342/1342 1342 ± 0 6.496 6.246/7.539 6.825 ± 0.6969
ea18 1342 1342/1342 1342 ± 0 5.313 4.919/5.753 5.354 ± 0.5664
ea19 1342 1342/1342 1342 ± 0 6.338 5.772/6.96 6.324 ± 0.6898
ea20 1342 1342/1342 1342 ± 0 6.393 5.79/6.93 6.307 ± 0.717
ea21 1342 1342/1342 1342 ± 0 5.941 5.73/6.722 6.17 ± 0.676
ea22 1342 1342/1342 1342 ± 0 6.236 5.552/6.547 6.097 ± 0.6165
ea23 1342 1342/1342 1342 ± 0 6.102 5.886/6.956 6.391 ± 0.7745
ea24 1342 1342/1342 1342 ± 0 6.357 5.88/6.978 6.369 ± 0.7134
ea25 1342 1342/1342 1342 ± 0 5.896 5.638/6.617 6.11 ± 0.6415
ea26 1342 1342/1342 1342 ± 0 6.795 6.219/7.435 6.864 ± 0.696
ea27 1342 1342/1342 1342 ± 0 5.979 5.776/6.881 6.218 ± 0.6761
ea28 1342 1342/1342 1342 ± 0 6.066 5.597/6.658 6.117 ± 0.6712
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 ± 0.00002358 5.79 5.533/5.891 5.701 ± 0.34
4 1342 1342/1342 1342 ± 0.00002606 4.987 4.799/5.118 4.942 ± 0.2481
5 1342 1342/1342 1342 ± 0.00002358 5.767 5.576/6.004 5.756 ± 0.3874
6 1342 1342/1342 1342 ± 0.00002358 5.701 5.571/5.943 5.685 ± 0.353
7 1342 1342/1342 1342 ± 0.00002358 5.774 5.621/5.844 5.704 ± 0.3292
8 1342 1342/1342 1342 ± 0.00002358 5.66 5.499/5.838 5.617 ± 0.3619
9 1342 1342/1342 1342 ± 0.00002358 5.928 5.692/6.256 5.892 ± 0.3973
10 1342 1342/1342 1342 ± 0.00002358 6.43 6.248/6.648 6.365 ± 0.3819
11 1342 1342/1342 1342 ± 0.00002358 6.627 6.454/6.82 6.589 ± 0.3922
12 1342 1342/1342 1342 ± 0.00002358 6.8 6.622/6.968 6.755 ± 0.435
13 1342 1342/1342 1342 ± 0.00002358 7.283 7.179/7.444 7.232 ± 0.4687
14 1342 1342/1342 1342 ± 0.00002358 7.486 7.296/7.801 7.441 ± 0.5135
15 1342 1342/1342 1342 ± 0.00002358 7.014 6.817/7.329 6.99 ± 0.4863
16 1342 1342/1342 1342 ± 0.00002403 6.279 6.023/6.533 6.257 ± 0.4009
17 1342 1342/1342 1342 ± 0.00002403 6.347 6.092/6.541 6.318 ± 0.4025
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
Start time
2025-01-11 01:43:34.872
End
2025-01-11 02:40:05.287
Duration
0:56:30.415
Note, WebLog generation is not included in the time.

CASA logs for stage 8