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

Statwt Summary Plot

VLASS2.1.sb38618574.eb38632962.59098.03251238426_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 5.504 5.27/5.903 5.658 ± 0.5082
ea02 1342 1342/1342 1342 ± 0 5.693 5.371/6.407 5.915 ± 0.6476
ea04 1342 1342/1342 1342 ± 0.000004667 5.439 5.08/5.976 5.576 ± 0.5473
ea05 1342 1342/1342 1342 ± 0 5.683 5.259/6.104 5.74 ± 0.5646
ea06 1342 1342/1342 1342 ± 0 4.895 4.697/5.417 5.043 ± 0.4428
ea07 1342 1342/1342 1342 ± 0 5.882 5.472/6.141 5.941 ± 0.5555
ea08 1342 1342/1342 1342 ± 0 5.73 5.416/6.534 6.004 ± 0.6801
ea09 1342 1342/1342 1342 ± 0 5.677 5.178/6.233 5.719 ± 0.6155
ea10 1342 1342/1342 1342 ± 0.000001168 5.824 5.238/6.485 5.883 ± 0.6477
ea11 1342 1342/1342 1342 ± 0 5.719 5.35/6.344 5.849 ± 0.6489
ea12 1342 1342/1342 1342 ± 0 5.776 5.331/6.327 5.921 ± 0.6347
ea13 1342 1342/1342 1342 ± 0 6.056 5.816/6.341 6.173 ± 0.4735
ea14 1342 1342/1342 1342 ± 0 5.702 5.224/6.278 5.794 ± 0.6345
ea15 1342 1342/1342 1342 ± 0 5.535 5.077/6.118 5.686 ± 0.6815
ea16 1342 1342/1342 1342 ± 0 6.036 5.648/6.678 6.236 ± 0.693
ea17 1342 1342/1342 1342 ± 0.000008326 5.901 5.49/6.419 6.044 ± 0.6104
ea18 1342 1342/1342 1342 ± 0 5.004 4.666/5.388 5.096 ± 0.4957
ea19 1342 1342/1342 1342 ± 0 5.981 5.522/6.588 6.16 ± 0.6487
ea20 1342 1342/1342 1342 ± 0 5.999 5.641/6.679 6.181 ± 0.6307
ea21 1342 1342/1342 1342 ± 0 5.642 5.354/6.208 5.818 ± 0.5424
ea22 1342 1342/1342 1342 ± 0 5.451 5.282/6.342 5.784 ± 0.6422
ea23 1342 1342/1342 1342 ± 0 5.956 5.459/6.354 6.022 ± 0.6612
ea25 1342 1342/1342 1342 ± 0.000001651 5.346 5.17/6.009 5.59 ± 0.5706
ea26 1342 1342/1342 1342 ± 0 5.976 5.661/6.631 6.164 ± 0.6453
ea27 1342 1342/1342 1342 ± 0.00004006 5.438 5.216/6.256 5.676 ± 0.5663
ea28 1342 1342/1342 1342 ± 0.00002806 5.555 5.331/6.352 5.823 ± 0.6301
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 5.366 5.219/5.666 5.408 ± 0.2764
3 1342 1342/1342 1342 ± 0.00002397 5.232 5.024/5.51 5.274 ± 0.3182
4 1342 1342/1342 1342 ± 0.00002376 5.293 5.072/5.442 5.248 ± 0.3264
5 1342 1342/1342 1342 ± 0.00002352 5.391 5.073/5.497 5.331 ± 0.3208
6 1342 1342/1342 1342 ± 0.00002352 5.289 5.071/5.466 5.254 ± 0.3006
7 1342 1342/1342 1342 ± 0.00002352 5.326 5.126/5.417 5.293 ± 0.2717
8 1342 1342/1342 1342 ± 0.00002352 5.307 5.045/5.436 5.255 ± 0.2803
9 1342 1342/1342 1342 ± 0.00002352 5.539 5.385/5.809 5.531 ± 0.3247
10 1342 1342/1342 1342 ± 0.00002352 6.014 5.831/6.169 5.967 ± 0.3002
11 1342 1342/1342 1342 ± 0.00002352 6.254 6.077/6.358 6.183 ± 0.3111
12 1342 1342/1342 1342 ± 0.00002352 6.384 6.16/6.533 6.35 ± 0.3406
13 1342 1342/1342 1342 ± 0.00002352 6.8 6.726/7.005 6.805 ± 0.3617
14 1342 1342/1342 1342 ± 0.00002352 7.038 6.804/7.224 6.98 ± 0.3952
15 1342 1342/1342 1342 ± 0.00002352 6.699 6.446/6.834 6.598 ± 0.3939
16 1342 1342/1342 1342 ± 0.00003618 5.892 5.51/6.183 5.864 ± 0.4016
17 1342 1342/1342 1342 ± 0.00003547 5.836 5.686/6.128 5.863 ± 0.3556
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38618574.eb38632962.59098.03251238426_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-17 05:22:09.463
End
2024-12-17 06:15:18.002
Duration
0:53:08.539
Note, WebLog generation is not included in the time.

CASA logs for stage 8