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 5.201 5.024/5.96 5.541 ± 0.6923
ea02 1342 1342/1342 1342 ± 0.00002761 5.408 5.065/6.634 5.844 ± 0.8874
ea04 1342 1342/1342 1342 ± 0.0000301 5.265 4.843/5.897 5.388 ± 0.6923
ea05 1342 1342/1342 1342 ± 0.000006535 5.466 4.963/6.457 5.668 ± 0.8014
ea06 1342 1342/1342 1342 ± 0.00002734 4.558 4.259/5.234 4.762 ± 0.5519
ea07 1342 1342/1342 1342 ± 0.00004302 5.593 5.286/6.37 5.825 ± 0.806
ea08 1342 1342/1342 1342 ± 0.00004277 5.521 5.196/6.786 5.993 ± 0.9388
ea09 1342 1342/1342 1342 ± 0 5.596 5.041/6.447 5.735 ± 0.7785
ea10 1342 1342/1342 1342 ± 0.00004483 6.032 4.997/6.654 5.832 ± 0.9134
ea11 1342 1342/1342 1342 ± 0.00004561 5.229 4.84/6.422 5.656 ± 0.9157
ea12 1342 1342/1342 1342 ± 0.0000299 5.63 5.045/6.236 5.734 ± 0.86
ea13 1342 1342/1342 1342 ± 0 5.41 5.245/6.256 5.838 ± 0.7742
ea14 1342 1342/1342 1342 ± 0.00003306 5.181 5.087/6.314 5.667 ± 0.7969
ea15 1342 1342/1342 1342 ± 0.00001522 4.879 4.809/6.119 5.447 ± 0.8351
ea16 1342 1342/1342 1342 ± 0.00001107 5.676 5.264/6.804 6.002 ± 0.9856
ea17 1342 1342/1342 1342 ± 0.00004685 5.562 5.355/6.511 5.945 ± 0.8997
ea18 1342 1342/1342 1342 ± 0.00004422 4.705 4.563/5.432 5.036 ± 0.6134
ea19 1342 1342/1342 1342 ± 0.00001605 5.684 5.3/6.601 5.984 ± 0.8498
ea20 1342 1342/1342 1342 ± 0.00003995 5.549 5.221/6.733 5.958 ± 0.9314
ea21 1342 1342/1342 1342 ± 0.00001963 5.355 5.147/6.334 5.702 ± 0.8087
ea22 1342 1342/1342 1342 ± 0 5.196 4.839/6.395 5.592 ± 0.81
ea23 1342 1342/1342 1342 ± 0.00003857 5.356 5.301/6.429 5.872 ± 0.8966
ea25 1342 1342/1342 1342 ± 0.0000456 5.209 5.092/6.124 5.58 ± 0.7998
ea26 1342 1342/1342 1342 ± 0 5.557 5.345/6.914 6.062 ± 0.8793
ea27 1342 1342/1342 1342 ± 0.00004484 5.33 5.11/6.484 5.686 ± 0.8062
ea28 1342 1342/1342 1342 ± 0.00004471 5.486 5.187/6.399 5.802 ± 0.8419
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 ± 0.00002353 5.245 4.956/5.472 5.219 ± 0.3078
5 1342 1342/1342 1342 ± 0.00003662 5.258 5.135/5.559 5.337 ± 0.309
6 1342 1342/1342 1342 ± 0.00002353 5.143 4.886/5.264 5.072 ± 0.2671
7 1342 1342/1342 1342 ± 0.00002353 5.128 4.948/5.294 5.115 ± 0.2586
8 1342 1342/1342 1342 ± 0.00002353 5.067 4.987/5.289 5.078 ± 0.281
9 1342 1342/1342 1342 ± 0.00002383 5.174 4.96/5.355 5.138 ± 0.3264
10 1342 1342/1342 1342 ± 0.00002348 5.996 5.81/6.107 5.934 ± 0.3235
11 1342 1342/1342 1342 ± 0.00002348 6.267 6.125/6.445 6.251 ± 0.3414
12 1342 1342/1342 1342 ± 0.00002348 6.488 6.33/6.681 6.462 ± 0.3757
13 1342 1342/1342 1342 ± 0.00002348 6.943 6.798/7.228 6.93 ± 0.4078
14 1342 1342/1342 1342 ± 0.00002348 7.226 6.981/7.468 7.136 ± 0.449
15 1342 1342/1342 1342 ± 0.00003341 6.277 5.914/6.749 6.293 ± 0.5835
16 1342 1342/1342 1342 ± 0.00006041 4.57 4.424/4.71 4.567 ± 0.2255
17 1342 1342/1342 1342 ± 0.00006101 4.931 4.743/5.106 4.917 ± 0.2864
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
overwrite_modelcol
False
Start time
2025-01-08 06:05:06.868
End
2025-01-08 06:33:56.338
Duration
0:28:49.470
Note, WebLog generation is not included in the time.

CASA logs for stage 8