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

Statwt Summary Plot

VLASS2.1.sb38504727.eb38659863.59113.352947384265_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 5.85 5.786/6.44 6.183 ± 0.5494
ea02 1342 1342/1342 1342 ± 0.00004831 6.237 5.981/6.967 6.458 ± 0.6147
ea04 1342 1342/1342 1342 ± 0 5.594 5.167/6.13 5.69 ± 0.6008
ea05 1342 1342/1342 1342 ± 0 5.986 5.326/6.543 5.958 ± 0.6541
ea06 1342 1342/1342 1342 ± 0.000005705 4.904 4.735/5.368 5.055 ± 0.3928
ea07 1342 1342/1342 1342 ± 0.00002951 6.136 5.711/6.527 6.223 ± 0.6221
ea08 1342 1342/1342 1342 ± 0.00005001 6.518 6.172/7.158 6.725 ± 0.6706
ea09 1342 1342/1342 1342 ± 0 5.962 5.48/6.653 6.1 ± 0.6212
ea10 1342 1342/1342 1342 ± 0.00004481 6.14 5.755/7.1 6.397 ± 0.6947
ea11 1342 1342/1342 1342 ± 0.00004497 6.01 5.58/6.892 6.274 ± 0.7799
ea12 1342 1342/1342 1342 ± 0.00000837 5.739 5.433/6.397 5.977 ± 0.6379
ea13 1342 1342/1342 1342 ± 0.0000139 6.323 5.831/6.482 6.269 ± 0.5237
ea14 1342 1342/1342 1342 ± 0 5.829 5.456/6.509 6.018 ± 0.6548
ea15 1342 1342/1342 1342 ± 0 5.948 5.284/6.436 6.004 ± 0.7211
ea16 1342 1342/1342 1342 ± 0 6.149 5.776/6.933 6.365 ± 0.7226
ea17 1342 1342/1342 1342 ± 0.00005009 6.341 5.957/7.064 6.613 ± 0.7576
ea18 1342 1342/1342 1342 ± 0.00003869 5.388 5.059/5.73 5.419 ± 0.5659
ea19 1342 1342/1342 1342 ± 0 6.165 5.494/6.685 6.209 ± 0.6602
ea20 1342 1342/1342 1342 ± 0.0000219 6.06 5.785/6.781 6.303 ± 0.6783
ea21 1342 1342/1342 1342 ± 0 5.676 5.434/6.38 5.934 ± 0.5813
ea22 1342 1342/1342 1342 ± 0.0000355 5.937 5.549/6.448 6.051 ± 0.6184
ea23 1342 1342/1342 1342 ± 0.000003465 6.03 5.691/6.609 6.229 ± 0.7225
ea25 1342 1342/1342 1342 ± 0.00004846 5.911 5.755/6.706 6.242 ± 0.7039
ea26 1342 1342/1342 1342 ± 0.00001637 6.145 5.862/6.939 6.393 ± 0.6358
ea27 1342 1342/1342 1342 ± 0.00005009 6.062 5.806/6.99 6.282 ± 0.675
ea28 1342 1342/1342 1342 ± 0.00005009 6.223 5.948/7.038 6.501 ± 0.6897
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 ± 0.00002348 5.801 5.441/5.938 5.723 ± 0.3312
5 1342 1342/1342 1342 ± 0.00002348 5.562 5.396/5.801 5.544 ± 0.3588
6 1342 1342/1342 1342 ± 0.00002365 5.618 5.334/5.832 5.556 ± 0.3859
7 1342 1342/1342 1342 ± 0.00002348 5.668 5.418/5.799 5.603 ± 0.3337
8 1342 1342/1342 1342 ± 0.00002348 5.649 5.367/5.862 5.573 ± 0.3735
9 1342 1342/1342 1342 ± 0.00002348 5.932 5.614/6.127 5.864 ± 0.4051
10 1342 1342/1342 1342 ± 0.00002348 6.365 6.037/6.59 6.288 ± 0.3996
11 1342 1342/1342 1342 ± 0.00002348 6.487 6.415/6.827 6.542 ± 0.4218
12 1342 1342/1342 1342 ± 0.00002392 6.69 6.505/7.012 6.717 ± 0.4508
13 1342 1342/1342 1342 ± 0.00002348 7.264 6.986/7.509 7.206 ± 0.4589
14 1342 1342/1342 1342 ± 0.00002348 7.48 7.27/7.727 7.424 ± 0.4883
15 1342 1342/1342 1342 ± 0.00005588 6.571 6.373/6.788 6.529 ± 0.4157
16 1342 1342/1342 1342 ± 0.00006085 5.748 5.425/5.987 5.672 ± 0.3914
17 1342 1342/1342 1342 ± 0.00005922 5.91 5.644/6.189 5.873 ± 0.4072
vis
VLASS2.1.sb38504727.eb38659863.59113.352947384265_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-07 15:00:32.566
End
2025-01-07 15:48:12.143
Duration
0:47:39.578
Note, WebLog generation is not included in the time.

CASA logs for stage 8