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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.472 5.328/6.052 5.509 ± 0.8139
ea02 1342 1342/1342 1342 ± 0.00004309 6.039 5.474/6.775 5.897 ± 1.035
ea04 1342 1342/1342 1342 ± 0.00003011 5.516 5.144/6.191 5.418 ± 0.9606
ea05 1342 1342/1342 1342 ± 0.00001193 5.475 5.113/6.242 5.539 ± 0.7378
ea06 1342 1342/1342 1342 ± 0.00003682 5.219 4.956/5.892 5.17 ± 0.8679
ea07 1342 1342/1342 1342 ± 0.00004352 5.691 5.407/6.195 5.598 ± 0.8479
ea09 1342 1342/1342 1342 ± 0.00001679 5.351 5.104/6.004 5.408 ± 0.6934
ea10 1342 1342/1342 1342 ± 0.00004466 5.234 4.836/5.883 5.142 ± 0.791
ea11 1342 1342/1342 1342 ± 0.00004216 5.787 5.399/6.646 5.761 ± 0.9482
ea12 1342 1342/1342 1342 ± 0.00004104 5.842 5.526/6.742 5.871 ± 1.07
ea13 1342 1342/1342 1342 ± 0.00001563 5.832 5.67/6.333 5.898 ± 0.7529
ea14 1342 1342/1342 1342 ± 0.00001168 5.758 5.357/6.606 5.751 ± 0.875
ea15 1342 1342/1342 1342 ± 0.00002467 5.781 5.453/6.587 5.756 ± 1.14
ea16 1342 1342/1342 1342 ± 0.00001762 5.755 5.519/6.508 5.824 ± 0.928
ea17 1342 1342/1342 1342 ± 0.00004398 5.962 5.539/6.607 5.923 ± 0.9738
ea18 1342 1342/1342 1342 ± 0.00004336 5.114 4.773/5.662 5.084 ± 0.7427
ea19 1342 1342/1342 1342 ± 0.00000129 5.747 5.498/6.528 5.83 ± 0.7624
ea20 1342 1342/1342 1342 ± 0.0000427 6.152 5.868/7.146 6.199 ± 1.113
ea21 1342 1342/1342 1342 ± 0.00001462 5.515 5.347/6.281 5.534 ± 0.7861
ea22 1342 1342/1342 1342 ± 0.0000294 5.519 5.241/6.556 5.67 ± 0.9257
ea23 1342 1342/1342 1342 ± 0.00003763 5.708 5.419/6.489 5.746 ± 0.9436
ea24 1342 1342/1342 1342 ± 0.00001109 5.295 4.869/6.118 5.399 ± 0.6616
ea25 1342 1342/1342 1342 ± 0.00004299 5.629 5.339/6.358 5.626 ± 0.9014
ea26 1342 1342/1342 1342 ± 0.00002018 5.761 5.621/6.644 5.97 ± 0.8882
ea27 1342 1342/1342 1342 ± 0.00004435 5.66 5.292/6.62 5.669 ± 0.9401
ea28 1342 1342/1342 1342 ± 0.00004377 5.837 5.58/6.729 5.87 ± 0.9717
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 5.526 5.338/5.692 5.488 ± 0.3109
3 1342 1342/1342 1342 ± 0.00004665 5.513 5.202/5.807 5.527 ± 0.4077
5 1342 1342/1342 1342 ± 0.00002546 5.38 5.201/5.544 5.371 ± 0.3042
6 1342 1342/1342 1342 ± 0.0000235 5.418 5.145/5.598 5.383 ± 0.2694
7 1342 1342/1342 1342 ± 0.0000235 5.475 5.245/5.592 5.42 ± 0.2853
8 1342 1342/1342 1342 ± 0.0000235 5.451 5.123/5.58 5.382 ± 0.3186
9 1342 1342/1342 1342 ± 0.0000235 5.762 5.388/5.907 5.675 ± 0.3093
10 1342 1342/1342 1342 ± 0.0000235 6.159 5.886/6.269 6.076 ± 0.2992
11 1342 1342/1342 1342 ± 0.0000235 6.469 6.118/6.607 6.372 ± 0.3027
12 1342 1342/1342 1342 ± 0.0000235 6.549 6.294/6.775 6.55 ± 0.3454
13 1342 1342/1342 1342 ± 0.00002356 6.742 6.426/7.013 6.688 ± 0.3965
14 1342 1342/1342 1342 ± 0.00003134 6.372 6.053/6.802 6.421 ± 0.5311
15 1342 1342/1342 1342 ± 0.00002424 6.729 6.099/6.992 6.574 ± 0.5087
16 1342 1342/1342 1342 ± 0.00005923 3.784 3.601/4.072 3.834 ± 0.348
17 1342 1342/1342 1342 ± 0.00006052 3.906 3.728/4.185 3.969 ± 0.3535
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2024-05-20 17:37:21.692
End
2024-05-20 18:26:33.374
Duration
0:49:11.682
Note, WebLog generation is not included in the time.

CASA logs for stage 8