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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.318 5.945/6.853 6.415 ± 0.5769
ea03 1342 1342/1342 1342 ± 0 5.675 5.174/6.693 5.866 ± 0.7266
ea04 1342 1342/1342 1342 ± 0 6.209 5.667/6.741 6.284 ± 0.6925
ea05 1342 1342/1342 1342 ± 0 6.13 5.805/7.037 6.355 ± 0.733
ea06 1342 1342/1342 1342 ± 0 6.448 5.818/6.808 6.335 ± 0.6361
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0 5.907 5.596/6.686 6.134 ± 0.6091
ea09 1342 1342/1342 1342 ± 0 6.157 5.521/6.891 6.216 ± 0.6871
ea10 1342 1342/1342 1342 ± 0 7.075 6.771/7.306 7.018 ± 0.422
ea11 1342 1342/1342 1342 ± 0 6.295 5.575/6.834 6.304 ± 0.7286
ea12 1342 1342/1342 1342 ± 0 6.566 5.851/7.005 6.553 ± 0.7006
ea13 1342 1342/1342 1342 ± 0 5.803 5.456/6.211 5.902 ± 0.425
ea14 1342 1342/1342 1342 ± 0 6.605 5.832/7.007 6.533 ± 0.7174
ea15 1342 1342/1342 1342 ± 0 6.068 5.428/6.572 6.056 ± 0.6655
ea16 1342 1342/1342 1342 ± 0 6.52 5.87/7.016 6.542 ± 0.7395
ea17 1342 1342/1342 1342 ± 0 6.842 6.357/7.838 7.045 ± 0.736
ea18 1342 1342/1342 1342 ± 0 5.215 4.835/5.661 5.278 ± 0.5467
ea19 1342 1342/1342 1342 ± 0 6.716 5.948/7.262 6.638 ± 0.709
ea20 1342 1342/1342 1342 ± 0 5.926 5.563/6.702 6.087 ± 0.616
ea21 1342 1342/1342 1342 ± 0 5.444 5.19/6.023 5.635 ± 0.487
ea22 1342 1342/1342 1342 ± 0 6.266 5.502/6.623 6.135 ± 0.6197
ea23 1342 1342/1342 1342 ± 0 6.299 5.872/6.91 6.478 ± 0.6978
ea24 1342 1342/1342 1342 ± 0 6.036 5.407/6.569 5.969 ± 0.5866
ea25 1342 1342/1342 1342 ± 0 6.845 5.984/7.211 6.708 ± 0.8199
ea26 1342 1342/1342 1342 ± 0 6.695 6.073/7.459 6.722 ± 0.7205
ea27 1342 1342/1342 1342 ± 0 6.112 5.725/7.057 6.333 ± 0.6915
ea28 1342 1342/1342 1342 ± 0 6.237 5.916/7.096 6.499 ± 0.6785
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 5.732 5.526/5.981 5.716 ± 0.3327
4 1342 1342/1342 1342 ± 0.00002392 5.386 5.21/5.702 5.436 ± 0.427
5 1342 1342/1342 1342 ± 0.00002392 5.798 5.463/5.912 5.681 ± 0.3539
6 1342 1342/1342 1342 ± 0.00002392 5.678 5.477/5.844 5.621 ± 0.3034
7 1342 1342/1342 1342 ± 0.00002392 5.773 5.524/5.919 5.705 ± 0.3156
8 1342 1342/1342 1342 ± 0.00002392 5.641 5.418/5.923 5.664 ± 0.3705
9 1342 1342/1342 1342 ± 0.00002392 5.985 5.743/6.241 5.965 ± 0.3586
10 1342 1342/1342 1342 ± 0.00002348 6.559 6.218/6.692 6.441 ± 0.3563
11 1342 1342/1342 1342 ± 0.00002348 6.772 6.529/6.963 6.69 ± 0.3703
12 1342 1342/1342 1342 ± 0.00002348 6.873 6.626/7.061 6.824 ± 0.4356
13 1342 1342/1342 1342 ± 0.00002348 7.342 7.048/7.703 7.296 ± 0.4904
14 1342 1342/1342 1342 ± 0.00002348 7.514 7.233/7.836 7.465 ± 0.4957
15 1342 1342/1342 1342 ± 0.00002348 7.076 6.854/7.453 7.095 ± 0.4511
16 1342 1342/1342 1342 ± 0.00002348 6.366 6.068/6.771 6.379 ± 0.4915
17 1342 1342/1342 1342 ± 0.00002348 6.302 6.035/6.698 6.302 ± 0.4898
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2025-06-12 10:05:45.492
End
2025-06-12 11:04:38.577
Duration
0:58:53.085
Note, WebLog generation is not included in the time.

CASA logs for stage 8