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

Statwt Summary Plot

VLASS2.1.sb38519843.eb38632934.59097.18672790509_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 5.773 5.378/5.998 5.767 ± 0.4721
ea02 1342 1342/1342 1342 ± 0 5.955 5.587/6.522 6.11 ± 0.5656
ea04 1342 1342/1342 1342 ± 0.000005964 5.444 5.18/6.136 5.639 ± 0.5078
ea05 1342 1342/1342 1342 ± 0 5.825 5.346/6.274 5.789 ± 0.5376
ea06 1342 1342/1342 1342 ± 0 5.045 4.807/5.332 5.085 ± 0.3257
ea07 1342 1342/1342 1342 ± 0 5.981 5.639/6.138 6.027 ± 0.514
ea08 1342 1342/1342 1342 ± 0 5.954 5.683/6.557 6.18 ± 0.5893
ea09 1342 1342/1342 1342 ± 0 5.847 5.258/6.332 5.833 ± 0.5641
ea10 1342 1342/1342 1342 ± 0 5.855 5.403/6.55 5.989 ± 0.5736
ea11 1342 1342/1342 1342 ± 0 5.905 5.197/6.29 5.865 ± 0.6216
ea12 1342 1342/1342 1342 ± 0 5.897 5.461/6.375 6.02 ± 0.6165
ea13 1342 1342/1342 1342 ± 0 6.265 5.905/6.533 6.263 ± 0.4658
ea14 1342 1342/1342 1342 ± 0 5.854 5.306/6.291 5.885 ± 0.5841
ea15 1342 1342/1342 1342 ± 0 5.73 5.196/6.296 5.86 ± 0.6427
ea16 1342 1342/1342 1342 ± 0 6.137 5.728/6.662 6.289 ± 0.6376
ea17 1342 1342/1342 1342 ± 0.00001364 6.115 5.622/6.752 6.136 ± 0.5615
ea18 1342 1342/1342 1342 ± 0 5.089 4.765/5.528 5.19 ± 0.4792
ea19 1342 1342/1342 1342 ± 0 5.918 5.719/6.456 6.172 ± 0.5723
ea20 1342 1342/1342 1342 ± 0 6.243 5.756/6.792 6.265 ± 0.5679
ea21 1342 1342/1342 1342 ± 0 5.801 5.418/6.154 5.867 ± 0.4787
ea22 1342 1342/1342 1342 ± 0 5.776 5.41/6.347 5.859 ± 0.5701
ea23 1342 1342/1342 1342 ± 0 6.111 5.604/6.472 6.119 ± 0.6042
ea25 1342 1342/1342 1342 ± 0 5.599 5.301/6.085 5.712 ± 0.5166
ea26 1342 1342/1342 1342 ± 0 6.248 5.808/6.845 6.3 ± 0.5911
ea27 1342 1342/1342 1342 ± 0.0000129 5.552 5.394/6.251 5.793 ± 0.515
ea28 1342 1342/1342 1342 ± 0.00001147 5.769 5.502/6.372 5.988 ± 0.5464
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 5.508 5.342/5.78 5.53 ± 0.2708
4 1342 1342/1342 1342 ± 0.00002568 5.456 5.215/5.65 5.431 ± 0.3823
5 1342 1342/1342 1342 ± 0.0000235 5.519 5.275/5.7 5.493 ± 0.3347
6 1342 1342/1342 1342 ± 0.0000235 5.363 5.164/5.512 5.34 ± 0.286
7 1342 1342/1342 1342 ± 0.0000235 5.398 5.197/5.531 5.385 ± 0.2646
8 1342 1342/1342 1342 ± 0.0000235 5.382 5.136/5.502 5.32 ± 0.2851
9 1342 1342/1342 1342 ± 0.0000235 5.585 5.409/5.831 5.561 ± 0.3276
10 1342 1342/1342 1342 ± 0.0000235 5.991 5.825/6.138 5.944 ± 0.3114
11 1342 1342/1342 1342 ± 0.0000235 6.189 6.069/6.299 6.132 ± 0.3092
12 1342 1342/1342 1342 ± 0.00002376 6.291 6.112/6.481 6.274 ± 0.3485
13 1342 1342/1342 1342 ± 0.0000235 6.798 6.657/6.953 6.754 ± 0.3584
14 1342 1342/1342 1342 ± 0.0000235 7.01 6.744/7.286 6.964 ± 0.4063
15 1342 1342/1342 1342 ± 0.0000235 6.69 6.479/6.896 6.618 ± 0.3908
16 1342 1342/1342 1342 ± 0.00002695 5.958 5.76/6.296 5.988 ± 0.3687
17 1342 1342/1342 1342 ± 0.00002501 6.033 5.806/6.296 6.026 ± 0.3523
vis
VLASS2.1.sb38519843.eb38632934.59097.18672790509_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-16 22:10:21.570
End
2024-12-16 22:40:05.996
Duration
0:29:44.427
Note, WebLog generation is not included in the time.

CASA logs for stage 8