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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.366 5.041/5.852 5.478 ± 0.5114
ea02 1342 1342/1342 1342 ± 0 5.642 5.168/6.195 5.722 ± 0.6194
ea04 1342 1342/1342 1342 ± 0 5.198 4.911/5.927 5.425 ± 0.5658
ea05 1342 1342/1342 1342 ± 0 5.502 5.119/6.081 5.624 ± 0.6001
ea06 1342 1342/1342 1342 ± 0 4.818 4.561/5.233 4.903 ± 0.398
ea07 1342 1342/1342 1342 ± 0 5.662 5.307/6.027 5.751 ± 0.5489
ea08 1342 1342/1342 1342 ± 0 5.673 5.247/6.418 5.853 ± 0.6537
ea09 1342 1342/1342 1342 ± 0 5.492 5.042/6.228 5.608 ± 0.6246
ea10 1342 1342/1342 1342 ± 0.00000904 5.701 5.085/6.345 5.709 ± 0.6563
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.505 5.071/6.13 5.707 ± 0.639
ea13 1342 1342/1342 1342 ± 0 5.848 5.427/6.154 5.891 ± 0.4982
ea14 1342 1342/1342 1342 ± 0 5.579 5.012/6.122 5.632 ± 0.6293
ea15 1342 1342/1342 1342 ± 0 5.324 4.872/5.94 5.475 ± 0.6555
ea16 1342 1342/1342 1342 ± 0 5.896 5.4/6.406 5.974 ± 0.7125
ea17 1342 1342/1342 1342 ± 0 5.743 5.269/6.186 5.831 ± 0.6013
ea18 1342 1342/1342 1342 ± 0 4.817 4.523/5.4 4.959 ± 0.5162
ea19 1342 1342/1342 1342 ± 0 5.639 5.225/6.281 5.795 ± 0.5945
ea20 1342 1342/1342 1342 ± 0 5.823 5.399/6.473 5.956 ± 0.6484
ea21 1342 1342/1342 1342 ± 0 5.453 5.123/6.062 5.601 ± 0.5713
ea22 1342 1342/1342 1342 ± 0 5.58 5.069/6.161 5.641 ± 0.6329
ea23 1342 1342/1342 1342 ± 0 5.715 5.219/6.229 5.828 ± 0.6618
ea25 1342 1342/1342 1342 ± 0 5.386 4.96/5.856 5.461 ± 0.5674
ea26 1342 1342/1342 1342 ± 0 5.831 5.424/6.462 5.927 ± 0.6372
ea27 1342 1342/1342 1342 ± 0.00002876 5.362 5.027/6.103 5.539 ± 0.5664
ea28 1342 1342/1342 1342 ± 0 5.497 5.151/6.253 5.679 ± 0.6265
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 ± 0.00002426 5.067 4.926/5.306 5.089 ± 0.2332
3 1342 1342/1342 1342 ± 0.00002426 4.956 4.85/5.215 4.997 ± 0.241
4 1342 1342/1342 1342 ± 0.00002475 5.085 4.976/5.273 5.091 ± 0.3047
5 1342 1342/1342 1342 ± 0.00002426 5.127 4.885/5.242 5.087 ± 0.2897
6 1342 1342/1342 1342 ± 0.00002426 5.126 4.926/5.251 5.092 ± 0.2711
7 1342 1342/1342 1342 ± 0.00002426 5.099 4.976/5.258 5.105 ± 0.2315
8 1342 1342/1342 1342 ± 0.00002426 5.147 4.902/5.241 5.079 ± 0.2603
9 1342 1342/1342 1342 ± 0.00002426 5.393 5.249/5.617 5.369 ± 0.2973
10 1342 1342/1342 1342 ± 0.00002426 5.804 5.675/6.033 5.8 ± 0.3057
11 1342 1342/1342 1342 ± 0.00002426 6.096 5.921/6.158 6.015 ± 0.3134
12 1342 1342/1342 1342 ± 0.00002426 6.245 6.069/6.404 6.18 ± 0.3348
13 1342 1342/1342 1342 ± 0.00002426 6.608 6.481/6.785 6.587 ± 0.348
14 1342 1342/1342 1342 ± 0.00002426 6.847 6.6/6.931 6.74 ± 0.3783
15 1342 1342/1342 1342 ± 0.00002426 6.414 6.244/6.593 6.35 ± 0.3422
16 1342 1342/1342 1342 ± 0.00003168 5.824 5.693/6.026 5.807 ± 0.2908
17 1342 1342/1342 1342 ± 0.00002714 5.869 5.734/5.976 5.824 ± 0.2968
output_dir
 
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2024-12-31 03:47:23.004
End
2024-12-31 04:40:38.300
Duration
0:53:15.297
Note, WebLog generation is not included in the time.

CASA logs for stage 8