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

Statwt Summary Plot

VLASS2.1.sb38609625.eb38648759.59107.988554826385_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 5.886 5.282/6.111 5.771 ± 0.5738
ea02 1342 1342/1342 1342 ± 0.00002178 5.719 5.451/6.592 6.004 ± 0.6587
ea04 1342 1342/1342 1342 ± 0 5.446 5.163/6.031 5.626 ± 0.5625
ea05 1342 1342/1342 1342 ± 0 5.781 5.327/6.217 5.836 ± 0.5862
ea06 1342 1342/1342 1342 ± 0 5.015 4.769/5.36 5.068 ± 0.3656
ea07 1342 1342/1342 1342 ± 0 5.501 5.399/5.604 5.531 ± 0.1927
ea08 1342 1342/1342 1342 ± 0 5.899 5.634/6.789 6.221 ± 0.6885
ea09 1342 1342/1342 1342 ± 0 5.724 5.195/6.274 5.789 ± 0.6327
ea10 1342 1342/1342 1342 ± 0 6.017 5.37/6.61 5.996 ± 0.6769
ea11 1342 1342/1342 1342 ± 0 5.956 5.254/6.468 5.894 ± 0.7235
ea12 1342 1342/1342 1342 ± 0 5.744 5.35/6.407 5.95 ± 0.6573
ea13 1342 1342/1342 1342 ± 0 6.169 5.821/6.423 6.226 ± 0.5027
ea14 1342 1342/1342 1342 ± 0 5.83 5.351/6.452 5.934 ± 0.6871
ea15 1342 1342/1342 1342 ± 0 5.902 5.389/6.41 5.977 ± 0.6633
ea16 1342 1342/1342 1342 ± 0 6.117 5.693/6.753 6.274 ± 0.7232
ea17 1342 1342/1342 1342 ± 0 6.052 5.512/6.945 6.139 ± 0.672
ea18 1342 1342/1342 1342 ± 0 5.103 4.737/5.555 5.155 ± 0.5208
ea19 1342 1342/1342 1342 ± 0 6.017 5.599/6.728 6.219 ± 0.6673
ea20 1342 1342/1342 1342 ± 0 6.286 5.707/6.898 6.227 ± 0.6471
ea21 1342 1342/1342 1342 ± 0 5.756 5.435/6.312 5.905 ± 0.577
ea22 1342 1342/1342 1342 ± 0 5.459 5.198/6.175 5.732 ± 0.6576
ea23 1342 1342/1342 1342 ± 0 6.183 5.48/6.587 6.118 ± 0.6962
ea25 1342 1342/1342 1342 ± 0 5.299 5.145/5.422 5.294 ± 0.1993
ea26 1342 1342/1342 1342 ± 0 6.096 5.593/6.689 6.201 ± 0.7056
ea27 1342 1342/1342 1342 ± 0.000008989 5.562 5.237/6.398 5.771 ± 0.6198
ea28 1342 1342/1342 1342 ± 0.00002083 5.762 5.484/6.528 5.992 ± 0.6897
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 ± 0.0000235 5.381 5.269/5.629 5.417 ± 0.2531
3 1342 1342/1342 1342 ± 0.0000235 5.277 5.047/5.499 5.28 ± 0.3043
4 1342 1342/1342 1342 ± 0.00002548 5.356 5.088/5.498 5.329 ± 0.2964
5 1342 1342/1342 1342 ± 0.0000235 5.305 5.085/5.472 5.281 ± 0.3232
6 1342 1342/1342 1342 ± 0.0000235 5.328 5.136/5.469 5.305 ± 0.2846
7 1342 1342/1342 1342 ± 0.0000235 5.416 5.281/5.609 5.406 ± 0.2611
8 1342 1342/1342 1342 ± 0.0000235 5.43 5.213/5.578 5.366 ± 0.2845
9 1342 1342/1342 1342 ± 0.0000235 5.705 5.48/5.905 5.648 ± 0.3276
10 1342 1342/1342 1342 ± 0.00002442 6.126 5.914/6.279 6.053 ± 0.3376
11 1342 1342/1342 1342 ± 0.00002442 6.374 6.19/6.493 6.286 ± 0.3448
12 1342 1342/1342 1342 ± 0.00002442 6.469 6.365/6.679 6.393 ± 0.4672
13 1342 1342/1342 1342 ± 0.00002442 6.919 6.855/7.215 6.91 ± 0.4002
14 1342 1342/1342 1342 ± 0.00002442 7.21 6.942/7.389 7.1 ± 0.438
15 1342 1342/1342 1342 ± 0.00002442 6.841 6.595/7.007 6.743 ± 0.4245
16 1342 1342/1342 1342 ± 0.00002746 6.059 5.923/6.381 6.078 ± 0.3839
17 1342 1342/1342 1342 ± 0.00002754 6.032 5.836/6.321 6.05 ± 0.3637
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38609625.eb38648759.59107.988554826385_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-12-31 05:01:16.813
End
2024-12-31 06:05:45.001
Duration
1:04:28.188
Note, WebLog generation is not included in the time.

CASA logs for stage 8