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

Statwt Summary Plot

VLASS2.1.sb38539165.eb38696919.59128.74249967592_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 5.332 5.002/5.796 5.439 ± 0.5128
ea02 1342 1342/1342 1342 ± 0 5.523 5.098/6.16 5.67 ± 0.6606
ea03 1342 1342/1342 1342 ± 0 5.027 4.467/5.635 5.074 ± 0.6456
ea04 1342 1342/1342 1342 ± 0 5.403 5.034/5.969 5.563 ± 0.5485
ea05 1342 1342/1342 1342 ± 0 5.527 5.044/6.089 5.62 ± 0.6112
ea06 1342 1342/1342 1342 ± 0 4.921 4.697/5.349 5.017 ± 0.3905
ea07 1342 1342/1342 1342 ± 0 5.716 5.262/6.072 5.772 ± 0.5875
ea08 1342 1342/1342 1342 ± 0.000001682 5.63 5.328/6.402 5.864 ± 0.6851
ea09 1342 1342/1342 1342 ± 0 5.428 5/6.114 5.535 ± 0.688
ea10 1342 1342/1342 1342 ± 0 5.685 5.135/6.383 5.741 ± 0.6414
ea11 1342 1342/1342 1342 ± 0 6.147 5.766/6.462 6.12 ± 0.6421
ea12 1342 1342/1342 1342 ± 0 5.577 5.194/6.172 5.756 ± 0.5993
ea13 1342 1342/1342 1342 ± 0 5.676 5.431/6.17 5.82 ± 0.5525
ea14 1342 1342/1342 1342 ± 0 5.662 5.046/6.232 5.692 ± 0.7055
ea15 1342 1342/1342 1342 ± 0 5.543 5.079/6.158 5.692 ± 0.6609
ea16 1342 1342/1342 1342 ± 0 5.939 5.456/6.452 6.008 ± 0.7538
ea17 1342 1342/1342 1342 ± 0.000006824 6.031 5.589/6.6 6.177 ± 0.6811
ea18 1342 1342/1342 1342 ± 0 4.868 4.529/5.41 5.004 ± 0.525
ea19 1342 1342/1342 1342 ± 0 5.527 5.131/6.176 5.694 ± 0.6404
ea21 1342 1342/1342 1342 ± 0 5.497 5.079/6.086 5.608 ± 0.5939
ea22 1342 1342/1342 1342 ± 0 5.41 5.022/6.196 5.569 ± 0.6848
ea23 1342 1342/1342 1342 ± 0 5.829 5.275/6.241 5.872 ± 0.6866
ea25 1342 1342/1342 1342 ± 0.000003149 5.552 5.165/6.004 5.635 ± 0.5685
ea26 1342 1342/1342 1342 ± 0 5.782 5.31/6.395 5.861 ± 0.7296
ea27 1342 1342/1342 1342 ± 0.00002808 5.405 5.165/6.231 5.602 ± 0.5964
ea28 1342 1342/1342 1342 ± 0.00001363 5.223 5.022/5.948 5.448 ± 0.5946
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 5.201 5.009/5.303 5.117 ± 0.2556
3 1342 1342/1342 1342 ± 0.00002477 4.868 4.617/5.042 4.814 ± 0.2812
4 1342 1342/1342 1342 ± 0.00002392 4.985 4.86/5.275 5.011 ± 0.3639
5 1342 1342/1342 1342 ± 0.00002392 5.087 4.904/5.218 5.062 ± 0.2833
6 1342 1342/1342 1342 ± 0.00002392 5.144 4.984/5.294 5.105 ± 0.2684
7 1342 1342/1342 1342 ± 0.00002392 5.144 5.054/5.228 5.134 ± 0.2392
8 1342 1342/1342 1342 ± 0.00002392 5.106 4.993/5.26 5.112 ± 0.2756
9 1342 1342/1342 1342 ± 0.00002392 5.408 5.202/5.665 5.401 ± 0.3121
10 1342 1342/1342 1342 ± 0.00002392 5.871 5.656/6.046 5.819 ± 0.2989
11 1342 1342/1342 1342 ± 0.00002348 6.111 5.947/6.211 6.043 ± 0.3006
12 1342 1342/1342 1342 ± 0.00002392 6.278 6.083/6.351 6.202 ± 0.3341
13 1342 1342/1342 1342 ± 0.00002392 6.674 6.476/6.744 6.609 ± 0.3668
14 1342 1342/1342 1342 ± 0.00002348 6.837 6.62/7.002 6.758 ± 0.3947
15 1342 1342/1342 1342 ± 0.00002392 6.53 6.259/6.645 6.421 ± 0.3807
16 1342 1342/1342 1342 ± 0.00002667 5.771 5.584/5.998 5.763 ± 0.3368
17 1342 1342/1342 1342 ± 0.00003139 5.708 5.55/5.943 5.73 ± 0.3218
vis
VLASS2.1.sb38539165.eb38696919.59128.74249967592_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-11-15 09:04:39.961
End
2024-11-15 09:54:44.368
Duration
0:50:04.407
Note, WebLog generation is not included in the time.

CASA logs for stage 8