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

Statwt Summary Plot

VLASS2.1.sb38527250.eb38554918.59062.900742303245_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 5.713 5.077/6.02 5.57 ± 0.6571
ea02 1342 1342/1342 1342 ± 0.00002961 5.418 5.151/6.251 5.686 ± 0.7306
ea04 1342 1342/1342 1342 ± 0 5.568 5.184/6.072 5.649 ± 0.5454
ea05 1342 1342/1342 1342 ± 0 5.789 5.292/6.358 5.88 ± 0.611
ea06 1342 1342/1342 1342 ± 0 3.176 3.132/3.433 3.259 ± 0.1856
ea07 1342 1342/1342 1342 ± 0 5.046 4.92/5.309 5.098 ± 0.305
ea08 1342 1342/1342 1342 ± 0.000005155 5.52 5.348/6.618 5.892 ± 0.819
ea09 1342 1342/1342 1342 ± 0.000001702 4.744 4.593/5.296 4.936 ± 0.4087
ea10 1342 1342/1342 1342 ± 0 5.642 5.165/6.456 5.669 ± 0.765
ea11 1342 1342/1342 1342 ± 0.000001165 5.918 5.258/6.438 5.894 ± 0.6651
ea12 1342 1342/1342 1342 ± 0 5.259 5.231/5.28 5.24 ± 0.06024
ea13 1342 1342/1342 1342 ± 0 6.041 5.741/6.308 6.076 ± 0.4992
ea14 1342 1342/1342 1342 ± 0.000001246 5.812 4.911/6.422 5.761 ± 0.7936
ea15 1342 1342/1342 1342 ± 0 5.769 5.23/6.234 5.827 ± 0.6581
ea16 1342 1342/1342 1342 ± 0.000001203 5.12 4.92/5.364 5.151 ± 0.4233
ea17 1342 1342/1342 1342 ± 0.0000312 6.079 5.398/6.803 6.135 ± 0.7084
ea18 1342 1342/1342 1342 ± 0.000001203 5.28 4.897/5.745 5.301 ± 0.5374
ea19 1342 1342/1342 1342 ± 0 6.523 6.284/6.894 6.603 ± 0.3784
ea21 1342 1342/1342 1342 ± 0 5.824 5.084/6.37 5.832 ± 0.6869
ea22 1342 1342/1342 1342 ± 0.000002084 5.309 4.88/6.235 5.53 ± 0.7142
ea23 1342 1342/1342 1342 ± 0.000001203 6.064 5.09/6.493 5.896 ± 0.7862
ea25 1342 1342/1342 1342 ± 0.000003683 5.043 4.991/5.274 5.145 ± 0.2139
ea26 1342 1342/1342 1342 ± 0 5.872 5.458/6.524 5.984 ± 0.7031
ea27 1342 1342/1342 1342 ± 0.00002869 5.57 5.124/6.383 5.674 ± 0.6956
ea28 1342 1342/1342 1342 ± 0.00003521 5.585 5.148/6.376 5.758 ± 0.744
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 ± 0.00002527 5.004 4.886/5.199 5.006 ± 0.2447
3 1342 1342/1342 1342 ± 0.00002503 4.832 4.655/5.063 4.892 ± 0.2712
4 1342 1342/1342 1342 ± 0.00002595 4.772 4.623/4.992 4.81 ± 0.3403
5 1342 1342/1342 1342 ± 0.00003663 5.093 4.991/5.273 5.215 ± 0.2911
6 1342 1342/1342 1342 ± 0.00002491 5.124 5.041/5.29 5.166 ± 0.2569
7 1342 1342/1342 1342 ± 0.00002491 5.228 5.133/5.349 5.25 ± 0.2323
8 1342 1342/1342 1342 ± 0.00002491 5.25 5.101/5.451 5.268 ± 0.2758
9 1342 1342/1342 1342 ± 0.00002544 5.627 5.271/5.769 5.552 ± 0.344
10 1342 1342/1342 1342 ± 0.00002544 6.034 5.769/6.164 5.825 ± 0.621
11 1342 1342/1342 1342 ± 0.00002544 6.295 5.911/6.378 6.014 ± 0.7366
12 1342 1342/1342 1342 ± 0.00002544 6.391 6.023/6.498 6.152 ± 0.7575
13 1342 1342/1342 1342 ± 0.00002544 6.769 6.495/6.956 6.53 ± 0.8
14 1342 1342/1342 1342 ± 0.00002544 6.951 6.657/7.141 6.72 ± 0.8104
15 1342 1342/1342 1342 ± 0.00002544 6.579 6.392/6.782 6.352 ± 0.8055
16 1342 1342/1342 1342 ± 0.00004103 5.911 5.455/6.076 5.665 ± 0.7013
17 1342 1342/1342 1342 ± 0.00003996 5.733 5.457/6.086 5.643 ± 0.6745
output_dir
 
vis
VLASS2.1.sb38527250.eb38554918.59062.900742303245_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2024-07-10 23:05:09.713
End
2024-07-10 23:52:08.063
Duration
0:46:58.351
Note, WebLog generation is not included in the time.

CASA logs for stage 8