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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.543 5.333/6.031 5.735 ± 0.5457
ea02 1342 1342/1342 1342 ± 0.000001072 5.821 5.427/6.498 6.017 ± 0.6696
ea04 1342 1342/1342 1342 ± 0 5.439 5.078/6.101 5.645 ± 0.5887
ea05 1342 1342/1342 1342 ± 0 5.731 5.283/6.215 5.786 ± 0.6125
ea06 1342 1342/1342 1342 ± 0 4.761 4.563/5.278 4.903 ± 0.4054
ea07 1342 1342/1342 1342 ± 0 6.008 5.503/6.306 6.051 ± 0.6035
ea08 1342 1342/1342 1342 ± 0.000001857 5.863 5.548/6.669 6.136 ± 0.7011
ea09 1342 1342/1342 1342 ± 0 5.563 5.235/6.3 5.739 ± 0.6709
ea10 1342 1342/1342 1342 ± 0 6.029 5.4/6.682 6.033 ± 0.6934
ea11 1342 1342/1342 1342 ± 0 5.9 5.223/6.398 5.886 ± 0.6624
ea12 1342 1342/1342 1342 ± 0 5.761 5.374/6.447 5.968 ± 0.6546
ea13 1342 1342/1342 1342 ± 0 5.859 5.712/6.37 6.096 ± 0.5464
ea14 1342 1342/1342 1342 ± 0 5.814 5.236/6.375 5.87 ± 0.6795
ea15 1342 1342/1342 1342 ± 0 5.609 5.124/6.262 5.756 ± 0.7101
ea16 1342 1342/1342 1342 ± 0 6.251 5.707/6.815 6.324 ± 0.7535
ea17 1342 1342/1342 1342 ± 0.00001753 6.084 5.605/6.865 6.225 ± 0.6644
ea18 1342 1342/1342 1342 ± 0 5.051 4.769/5.595 5.197 ± 0.533
ea19 1342 1342/1342 1342 ± 0 5.763 5.538/6.75 6.161 ± 0.6958
ea20 1342 1342/1342 1342 ± 0 6.128 5.691/6.749 6.256 ± 0.6666
ea21 1342 1342/1342 1342 ± 0 5.738 5.385/6.308 5.874 ± 0.6004
ea22 1342 1342/1342 1342 ± 0 5.464 5.204/6.392 5.76 ± 0.6668
ea23 1342 1342/1342 1342 ± 0 6.262 5.535/6.686 6.198 ± 0.7082
ea25 1342 1342/1342 1342 ± 0 5.672 5.297/6.18 5.788 ± 0.6011
ea26 1342 1342/1342 1342 ± 0 5.835 5.563/6.669 6.117 ± 0.7171
ea27 1342 1342/1342 1342 ± 0.0000234 5.654 5.375/6.508 5.885 ± 0.6212
ea28 1342 1342/1342 1342 ± 0.00002275 5.653 5.436/6.48 5.918 ± 0.6911
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 ± 0.00002352 5.383 5.16/5.533 5.348 ± 0.2643
3 1342 1342/1342 1342 ± 0.00002496 5.203 5.021/5.439 5.182 ± 0.2832
4 1342 1342/1342 1342 ± 0.00002397 5.25 4.96/5.399 5.166 ± 0.286
5 1342 1342/1342 1342 ± 0.00002352 5.422 5.146/5.598 5.381 ± 0.3252
6 1342 1342/1342 1342 ± 0.00002352 5.384 5.154/5.545 5.345 ± 0.3018
7 1342 1342/1342 1342 ± 0.00002352 5.414 5.235/5.564 5.379 ± 0.2818
8 1342 1342/1342 1342 ± 0.00002352 5.408 5.204/5.521 5.335 ± 0.3047
9 1342 1342/1342 1342 ± 0.00002352 5.666 5.459/5.931 5.632 ± 0.358
10 1342 1342/1342 1342 ± 0.00002376 6.103 5.93/6.278 6.058 ± 0.3261
11 1342 1342/1342 1342 ± 0.00002376 6.336 6.155/6.48 6.277 ± 0.3394
12 1342 1342/1342 1342 ± 0.00002352 6.458 6.347/6.69 6.453 ± 0.3684
13 1342 1342/1342 1342 ± 0.00002352 6.959 6.852/7.123 6.922 ± 0.3971
14 1342 1342/1342 1342 ± 0.00002352 7.215 6.969/7.393 7.11 ± 0.4399
15 1342 1342/1342 1342 ± 0.00002352 6.797 6.572/6.925 6.684 ± 0.4258
16 1342 1342/1342 1342 ± 0.00003094 5.973 5.656/6.265 5.959 ± 0.416
17 1342 1342/1342 1342 ± 0.00003039 6.042 5.708/6.263 5.988 ± 0.3859
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
Start time
2025-01-07 04:34:35.075
End
2025-01-07 05:34:38.217
Duration
1:00:03.142
Note, WebLog generation is not included in the time.

CASA logs for stage 8