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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.365 5.775/6.73 6.338 ± 0.649
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.00002567 5.827 5.469/6.296 5.964 ± 0.6109
ea06 1342 1342/1342 1342 ± 0 6.093 5.571/6.527 6.087 ± 0.6153
ea07 1342 1342/1342 1342 ± 0 6.126 5.594/6.366 6.109 ± 0.5753
ea08 1342 1342/1342 1342 ± 0 6.272 5.709/6.81 6.379 ± 0.6426
ea09 1342 1342/1342 1342 ± 0 6.031 5.584/6.794 6.196 ± 0.6586
ea10 1342 1342/1342 1342 ± 0 6.164 5.739/6.981 6.315 ± 0.6537
ea11 1342 1342/1342 1342 ± 0 6.071 5.708/6.619 6.205 ± 0.6467
ea12 1342 1342/1342 1342 ± 0 6.282 5.708/6.752 6.336 ± 0.6603
ea13 1342 1342/1342 1342 ± 0 5.873 5.539/6.26 5.975 ± 0.4996
ea14 1342 1342/1342 1342 ± 0 6.312 5.862/6.991 6.519 ± 0.719
ea15 1342 1342/1342 1342 ± 0 5.744 5.306/6.158 5.77 ± 0.5691
ea16 1342 1342/1342 1342 ± 0 6.436 5.926/6.938 6.518 ± 0.7192
ea17 1342 1342/1342 1342 ± 0 6.51 6.077/7.446 6.712 ± 0.6824
ea18 1342 1342/1342 1342 ± 0 5.073 4.701/5.532 5.164 ± 0.517
ea19 1342 1342/1342 1342 ± 0 6.506 6.06/7.211 6.643 ± 0.6986
ea20 1342 1342/1342 1342 ± 0 6.098 5.876/6.998 6.351 ± 0.6233
ea21 1342 1342/1342 1342 ± 0.000009575 5.986 5.711/6.671 6.232 ± 0.6067
ea22 1342 1342/1342 1342 ± 0 6.218 5.408/6.599 6.104 ± 0.6702
ea23 1342 1342/1342 1342 ± 0 6.265 5.964/6.907 6.524 ± 0.6563
ea24 1342 1342/1342 1342 ± 0 6.016 5.224/6.482 5.847 ± 0.6245
ea26 1342 1342/1342 1342 ± 0 6.421 5.932/7.236 6.524 ± 0.7539
ea27 1342 1342/1342 1342 ± 0 6.046 5.959/7.148 6.431 ± 0.7234
ea28 1342 1342/1342 1342 ± 0 6.085 5.943/7.004 6.449 ± 0.6936
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 5.827 5.605/5.954 5.764 ± 0.3343
4 1342 1342/1342 1342 ± 0.00002813 5.366 5.119/5.54 5.334 ± 0.3455
5 1342 1342/1342 1342 ± 0.00002439 5.793 5.573/5.895 5.703 ± 0.3444
6 1342 1342/1342 1342 ± 0.00002439 5.689 5.467/5.871 5.642 ± 0.3083
7 1342 1342/1342 1342 ± 0.00002439 5.697 5.512/5.894 5.664 ± 0.3068
8 1342 1342/1342 1342 ± 0.00002439 5.643 5.369/5.817 5.593 ± 0.358
9 1342 1342/1342 1342 ± 0.00002439 6.007 5.647/6.127 5.871 ± 0.3627
10 1342 1342/1342 1342 ± 0.00002439 6.423 6.215/6.58 6.324 ± 0.3588
11 1342 1342/1342 1342 ± 0.00002439 6.616 6.383/6.834 6.57 ± 0.3815
12 1342 1342/1342 1342 ± 0.00002439 6.742 6.471/6.995 6.711 ± 0.4221
13 1342 1342/1342 1342 ± 0.00002439 7.208 6.902/7.555 7.184 ± 0.4376
14 1342 1342/1342 1342 ± 0.00002439 7.497 7.25/7.764 7.422 ± 0.4283
15 1342 1342/1342 1342 ± 0.00002439 7.116 6.768/7.463 7.077 ± 0.4361
16 1342 1342/1342 1342 ± 0.00002439 6.275 6.086/6.502 6.29 ± 0.3984
17 1342 1342/1342 1342 ± 0.00002543 6.268 6.015/6.366 6.181 ± 0.3487
statwtmode
VLASS-SE
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-04-18 09:10:15.835
End
2025-04-18 10:16:50.155
Duration
1:06:34.319
Note, WebLog generation is not included in the time.

CASA logs for stage 8