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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.324 5.108/6.068 5.517 ± 0.6899
ea02 1342 1342/1342 1342 ± 0.00003387 5.664 5.167/6.634 5.884 ± 0.8696
ea04 1342 1342/1342 1342 ± 0.00001233 5.523 4.901/5.938 5.46 ± 0.7367
ea05 1342 1342/1342 1342 ± 0.00001026 6.005 5.067/6.613 5.831 ± 0.8252
ea06 1342 1342/1342 1342 ± 0.00001907 4.794 4.454/5.241 4.826 ± 0.5105
ea07 1342 1342/1342 1342 ± 0.00004299 5.791 5.216/6.373 5.837 ± 0.8838
ea08 1342 1342/1342 1342 ± 0.000044 5.658 5.336/6.795 6.028 ± 0.9557
ea09 1342 1342/1342 1342 ± 0.000002443 5.708 5.033/6.537 5.768 ± 0.7924
ea10 1342 1342/1342 1342 ± 0.00004345 5.535 5.091/6.627 5.765 ± 0.927
ea11 1342 1342/1342 1342 ± 0.000044 5.507 5.033/6.453 5.726 ± 0.9072
ea12 1342 1342/1342 1342 ± 0.00002559 5.927 5.138/6.23 5.742 ± 0.8562
ea13 1342 1342/1342 1342 ± 0 5.947 5.444/6.368 5.993 ± 0.7185
ea14 1342 1342/1342 1342 ± 0.00004097 5.47 5.04/6.47 5.73 ± 0.8539
ea15 1342 1342/1342 1342 ± 0.00001077 5.244 4.94/6.192 5.555 ± 0.8291
ea16 1342 1342/1342 1342 ± 0.00001947 5.81 5.41/6.886 6.052 ± 0.9972
ea17 1342 1342/1342 1342 ± 0.00004417 5.671 5.461/6.541 5.93 ± 0.9157
ea18 1342 1342/1342 1342 ± 0.00004377 5.103 4.615/5.447 5.065 ± 0.6273
ea19 1342 1342/1342 1342 ± 0.00002619 5.978 5.476/6.744 6.096 ± 0.8823
ea20 1342 1342/1342 1342 ± 0.0000407 6.038 5.545/6.758 6.044 ± 0.9351
ea21 1342 1342/1342 1342 ± 0.00003157 5.607 5.27/6.449 5.767 ± 0.8551
ea22 1342 1342/1342 1342 ± 0.000008647 5.094 4.888/6.342 5.577 ± 0.768
ea23 1342 1342/1342 1342 ± 0.00004344 5.634 5.33/6.682 5.924 ± 0.9635
ea25 1342 1342/1342 1342 ± 0.00004348 5.439 5.092/6.122 5.578 ± 0.8121
ea26 1342 1342/1342 1342 ± 0 5.876 5.584/7.028 6.15 ± 0.8544
ea27 1342 1342/1342 1342 ± 0.00004352 5.522 5.183/6.468 5.663 ± 0.8409
ea28 1342 1342/1342 1342 ± 0.00004405 5.725 5.263/6.484 5.831 ± 0.8779
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 5.59 5.308/5.863 5.569 ± 0.327
5 1342 1342/1342 1342 ± 0.00004231 5.435 4.911/5.55 5.282 ± 0.3557
6 1342 1342/1342 1342 ± 0.0000235 5.153 4.974/5.323 5.129 ± 0.2865
7 1342 1342/1342 1342 ± 0.0000235 5.173 5.035/5.339 5.185 ± 0.2726
8 1342 1342/1342 1342 ± 0.0000235 5.266 5.035/5.349 5.179 ± 0.2929
9 1342 1342/1342 1342 ± 0.00002366 5.467 5.243/5.656 5.411 ± 0.3146
10 1342 1342/1342 1342 ± 0.0000235 6.051 5.868/6.24 6 ± 0.331
11 1342 1342/1342 1342 ± 0.0000235 6.368 6.158/6.468 6.288 ± 0.3486
12 1342 1342/1342 1342 ± 0.0000235 6.546 6.35/6.694 6.489 ± 0.3789
13 1342 1342/1342 1342 ± 0.0000235 7.019 6.755/7.195 6.937 ± 0.4223
14 1342 1342/1342 1342 ± 0.0000235 7.189 6.976/7.4 7.117 ± 0.4578
15 1342 1342/1342 1342 ± 0.00002385 6.521 6.101/6.821 6.422 ± 0.5633
16 1342 1342/1342 1342 ± 0.00006009 4.405 4.259/4.602 4.425 ± 0.2315
17 1342 1342/1342 1342 ± 0.00006076 4.608 4.46/4.785 4.631 ± 0.2564
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
datacolumn
residual_data
Start time
2024-11-02 18:04:27.740
End
2024-11-02 19:09:20.378
Duration
1:04:52.638
Note, WebLog generation is not included in the time.

CASA logs for stage 8