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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.584 5.907/7.261 6.484 ± 0.7984
ea03 1342 1342/1342 1342 ± 0 6.229 5.42/6.893 6.085 ± 0.7751
ea04 1342 1342/1342 1342 ± 0 5.938 5.472/6.387 5.987 ± 0.6322
ea05 1342 1342/1342 1342 ± 0 6.115 5.732/7.125 6.417 ± 0.7496
ea06 1342 1342/1342 1342 ± 0 6.294 5.716/6.662 6.278 ± 0.5985
ea07 1342 1342/1342 1342 ± 0 6.228 5.539/6.342 6.139 ± 0.6101
ea08 1342 1342/1342 1342 ± 0 6.762 5.74/6.959 6.516 ± 0.7364
ea09 1342 1342/1342 1342 ± 0 6.227 5.681/7.002 6.368 ± 0.7864
ea10 1342 1342/1342 1342 ± 0 6.197 5.838/7.071 6.414 ± 0.6693
ea11 1342 1342/1342 1342 ± 0.000001621 6.293 5.624/6.945 6.359 ± 0.7823
ea12 1342 1342/1342 1342 ± 0 6.474 5.86/6.925 6.498 ± 0.6977
ea13 1342 1342/1342 1342 ± 0 6.085 6.002/6.568 6.244 ± 0.5099
ea14 1342 1342/1342 1342 ± 0 6.26 5.889/6.998 6.486 ± 0.6802
ea15 1342 1342/1342 1342 ± 0 5.25 4.911/5.721 5.344 ± 0.5201
ea16 1342 1342/1342 1342 ± 0 6.453 5.919/7.047 6.515 ± 0.7751
ea17 1342 1342/1342 1342 ± 0 6.652 6.098/7.517 6.821 ± 0.7609
ea18 1342 1342/1342 1342 ± 0 5.273 4.928/5.679 5.302 ± 0.4952
ea19 1342 1342/1342 1342 ± 0 6.481 6.214/7.476 6.785 ± 0.7375
ea20 1342 1342/1342 1342 ± 0 6.004 5.884/6.972 6.332 ± 0.6751
ea21 1342 1342/1342 1342 ± 0 5.967 5.696/6.739 6.171 ± 0.6165
ea22 1342 1342/1342 1342 ± 0 6.261 5.545/6.74 6.139 ± 0.671
ea23 1342 1342/1342 1342 ± 0 6.09 5.923/7.04 6.497 ± 0.744
ea24 1342 1342/1342 1342 ± 0 6.293 5.378/6.632 6.069 ± 0.6246
ea25 1342 1342/1342 1342 ± 0 6.608 5.838/6.894 6.55 ± 0.7781
ea26 1342 1342/1342 1342 ± 0.000001119 6.663 6.05/7.358 6.647 ± 0.85
ea27 1342 1342/1342 1342 ± 0 6.278 5.807/7.134 6.425 ± 0.7462
ea28 1342 1342/1342 1342 ± 0 6.337 5.965/7.129 6.536 ± 0.7462
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 ± 0.00002306 5.797 5.586/5.991 5.783 ± 0.3436
3 1342 1342/1342 1342 ± 0.00002352 5.489 5.218/5.622 5.425 ± 0.3102
4 1342 1342/1342 1342 ± 0.0000372 5.495 5.252/5.809 5.398 ± 0.4608
5 1342 1342/1342 1342 ± 0.00002306 5.839 5.473/5.987 5.699 ± 0.3724
6 1342 1342/1342 1342 ± 0.00002306 5.753 5.487/5.938 5.704 ± 0.3107
7 1342 1342/1342 1342 ± 0.00002306 5.803 5.566/5.934 5.728 ± 0.3187
8 1342 1342/1342 1342 ± 0.00002306 5.723 5.477/5.916 5.681 ± 0.3578
9 1342 1342/1342 1342 ± 0.00002306 6.105 5.796/6.288 5.997 ± 0.3673
10 1342 1342/1342 1342 ± 0.00002306 6.579 6.276/6.683 6.461 ± 0.3763
11 1342 1342/1342 1342 ± 0.00002306 6.806 6.57/6.987 6.709 ± 0.3927
12 1342 1342/1342 1342 ± 0.00002306 6.932 6.635/7.077 6.855 ± 0.4476
13 1342 1342/1342 1342 ± 0.00002306 7.453 7.095/7.789 7.383 ± 0.4808
14 1342 1342/1342 1342 ± 0.00002306 7.709 7.374/7.938 7.605 ± 0.4711
15 1342 1342/1342 1342 ± 0.00002306 7.147 6.862/7.532 7.125 ± 0.4956
16 1342 1342/1342 1342 ± 0.00002306 6.312 6.132/6.782 6.402 ± 0.4763
17 1342 1342/1342 1342 ± 0.00002306 6.385 6.087/6.539 6.336 ± 0.4685
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
output_dir
 
Start time
2025-06-07 20:41:28.568
End
2025-06-07 21:52:03.917
Duration
1:10:35.348
Note, WebLog generation is not included in the time.

CASA logs for stage 8