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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.283 5.098/6.07 5.538 ± 0.7043
ea02 1342 1342/1342 1342 ± 0.00004025 5.53 5.048/6.533 5.811 ± 0.8917
ea04 1342 1342/1342 1342 ± 0.00001117 5.104 4.965/5.993 5.44 ± 0.67
ea05 1342 1342/1342 1342 ± 0 5.359 5.119/6.45 5.744 ± 0.7121
ea06 1342 1342/1342 1342 ± 0.00002021 4.742 4.562/5.389 4.974 ± 0.5341
ea07 1342 1342/1342 1342 ± 0.00004344 5.689 5.325/6.252 5.764 ± 0.8731
ea08 1342 1342/1342 1342 ± 0.00004344 5.678 5.201/6.758 5.982 ± 0.9484
ea10 1342 1342/1342 1342 ± 0.00004357 5.449 4.997/6.623 5.703 ± 0.9085
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002494 5.282 5.192/6.432 5.721 ± 0.863
ea13 1342 1342/1342 1342 ± 0.000005893 5.687 5.347/6.298 5.932 ± 0.6721
ea14 1342 1342/1342 1342 ± 0.00001229 5.353 4.992/6.345 5.628 ± 0.8201
ea15 1342 1342/1342 1342 ± 0.000004625 5.063 4.995/6.127 5.566 ± 0.7818
ea16 1342 1342/1342 1342 ± 0.000002833 5.798 5.235/6.794 6.013 ± 0.9364
ea17 1342 1342/1342 1342 ± 0.00004344 5.638 5.279/6.764 5.874 ± 0.8737
ea18 1342 1342/1342 1342 ± 0.0000399 4.843 4.638/5.647 5.062 ± 0.62
ea19 1342 1342/1342 1342 ± 0.000002314 5.659 5.451/6.645 5.976 ± 0.7835
ea20 1342 1342/1342 1342 ± 0.00002983 5.71 5.481/6.913 6.025 ± 0.9241
ea21 1342 1342/1342 1342 ± 0.00001005 5.49 5.11/6.28 5.685 ± 0.7477
ea22 1342 1342/1342 1342 ± 0.00002435 5.381 4.963/6.467 5.69 ± 0.7918
ea23 1342 1342/1342 1342 ± 0.00004233 5.626 5.298/6.566 5.848 ± 0.9119
ea25 1342 1342/1342 1342 ± 0.00004344 5.282 4.866/6.214 5.508 ± 0.8004
ea26 1342 1342/1342 1342 ± 0.00001809 5.673 5.402/6.823 6.101 ± 0.8175
ea27 1342 1342/1342 1342 ± 0.00004344 5.388 5.011/6.415 5.638 ± 0.7691
ea28 1342 1342/1342 1342 ± 0.00004344 5.39 5.273/6.481 5.775 ± 0.8479
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 5.132 4.833/5.314 5.078 ± 0.2599
3 1342 1342/1342 1342 ± 0.00002477 5.059 4.892/5.319 5.089 ± 0.2871
6 1342 1342/1342 1342 ± 0.00002439 5.316 5.056/5.457 5.268 ± 0.2756
7 1342 1342/1342 1342 ± 0.00002439 5.282 5.13/5.446 5.276 ± 0.2438
8 1342 1342/1342 1342 ± 0.00002439 5.225 5.022/5.359 5.185 ± 0.269
9 1342 1342/1342 1342 ± 0.00002439 5.394 5.194/5.617 5.374 ± 0.2877
10 1342 1342/1342 1342 ± 0.00002439 6.013 5.879/6.198 5.984 ± 0.3139
11 1342 1342/1342 1342 ± 0.00002439 6.28 6.138/6.389 6.226 ± 0.3291
12 1342 1342/1342 1342 ± 0.00002439 6.446 6.234/6.588 6.385 ± 0.351
13 1342 1342/1342 1342 ± 0.00002439 6.803 6.7/7.123 6.824 ± 0.3756
14 1342 1342/1342 1342 ± 0.00002439 7.082 6.868/7.294 7.037 ± 0.4186
15 1342 1342/1342 1342 ± 0.00002439 6.732 6.434/6.863 6.602 ± 0.4398
16 1342 1342/1342 1342 ± 0.00006085 4.447 4.307/4.668 4.493 ± 0.2641
17 1342 1342/1342 1342 ± 0.00006094 4.72 4.548/4.982 4.752 ± 0.2977
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 02:48:28.386
End
2025-01-11 03:15:11.389
Duration
0:26:43.002
Note, WebLog generation is not included in the time.

CASA logs for stage 8