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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.844 5.492/6.446 6.003 ± 0.6098
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.741 5.148/6.541 5.859 ± 0.6728
ea06 1342 1342/1342 1342 ± 0 6.127 5.329/6.338 5.94 ± 0.5949
ea07 1342 1342/1342 1342 ± 0 6.036 5.298/6.328 5.947 ± 0.6486
ea08 1342 1342/1342 1342 ± 0.00002896 5.835 5.532/6.536 6.078 ± 0.6454
ea09 1342 1342/1342 1342 ± 0.000007058 5.574 5.194/6.57 5.824 ± 0.6946
ea10 1342 1342/1342 1342 ± 0 6.055 5.272/6.606 5.978 ± 0.6402
ea11 1342 1342/1342 1342 ± 0 6.016 5.245/6.482 5.968 ± 0.6818
ea12 1342 1342/1342 1342 ± 0 6.04 5.367/6.475 6.01 ± 0.6495
ea13 1342 1342/1342 1342 ± 0.00001993 5.686 5.585/6.264 5.97 ± 0.5012
ea14 1342 1342/1342 1342 ± 0 6.233 5.484/6.75 6.202 ± 0.7457
ea15 1342 1342/1342 1342 ± 0 5.528 4.92/5.906 5.457 ± 0.6185
ea16 1342 1342/1342 1342 ± 0 6.273 5.504/6.696 6.249 ± 0.7654
ea17 1342 1342/1342 1342 ± 0 6.391 5.69/7.162 6.446 ± 0.745
ea18 1342 1342/1342 1342 ± 0 4.95 4.559/5.41 5.008 ± 0.5394
ea19 1342 1342/1342 1342 ± 0 6.45 5.605/6.872 6.351 ± 0.6839
ea20 1342 1342/1342 1342 ± 0.00002067 5.979 5.554/6.736 6.058 ± 0.6556
ea21 1342 1342/1342 1342 ± 0 6.078 5.412/6.45 6.005 ± 0.632
ea22 1342 1342/1342 1342 ± 0 6.146 5.298/6.518 5.957 ± 0.7233
ea23 1342 1342/1342 1342 ± 0 5.858 5.447/6.606 6.094 ± 0.706
ea24 1342 1342/1342 1342 ± 0 5.389 4.896/6.102 5.451 ± 0.6035
ea26 1342 1342/1342 1342 ± 0 5.805 5.471/6.873 6.111 ± 0.7024
ea27 1342 1342/1342 1342 ± 0.00000125 5.867 5.382/6.791 6.023 ± 0.7366
ea28 1342 1342/1342 1342 ± 0.000007985 6.044 5.598/6.773 6.222 ± 0.7371
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 ± 0.00002439 5.369 5.261/5.545 5.351 ± 0.2682
4 1342 1342/1342 1342 ± 0.00002872 5.108 4.854/5.182 5.023 ± 0.3324
5 1342 1342/1342 1342 ± 0.00002439 5.365 5.141/5.462 5.292 ± 0.3091
6 1342 1342/1342 1342 ± 0.00002439 5.334 5.168/5.474 5.283 ± 0.2535
7 1342 1342/1342 1342 ± 0.00002439 5.406 5.282/5.549 5.368 ± 0.2604
8 1342 1342/1342 1342 ± 0.00002439 5.32 5.199/5.582 5.324 ± 0.3021
9 1342 1342/1342 1342 ± 0.00002439 5.716 5.519/5.83 5.628 ± 0.3013
10 1342 1342/1342 1342 ± 0.00002439 6.186 6.063/6.264 6.086 ± 0.322
11 1342 1342/1342 1342 ± 0.00002439 6.367 6.222/6.542 6.328 ± 0.3206
12 1342 1342/1342 1342 ± 0.00002439 6.508 6.262/6.712 6.479 ± 0.3576
13 1342 1342/1342 1342 ± 0.00002439 6.918 6.768/7.162 6.914 ± 0.3825
14 1342 1342/1342 1342 ± 0.00002439 7.182 7.002/7.392 7.118 ± 0.3806
15 1342 1342/1342 1342 ± 0.00002439 6.854 6.645/7.113 6.817 ± 0.3733
16 1342 1342/1342 1342 ± 0.00002439 6.089 5.896/6.315 6.128 ± 0.3782
17 1342 1342/1342 1342 ± 0.00003907 6.046 5.705/6.315 6.039 ± 0.4254
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
Start time
2025-04-18 13:57:21.174
End
2025-04-18 14:45:10.196
Duration
0:47:49.022
Note, WebLog generation is not included in the time.

CASA logs for stage 8