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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.319 5.152/5.9 5.408 ± 0.679
ea02 1342 1342/1342 1342 ± 0.00004281 5.866 5.238/6.334 5.663 ± 0.8861
ea03 1342 1342/1342 1342 ± 0 4.914 4.661/5.913 5.162 ± 0.7014
ea04 1342 1342/1342 1342 ± 0 5.328 5.075/6.123 5.452 ± 0.7548
ea05 1342 1342/1342 1342 ± 0.00001316 5.383 5.07/6.246 5.527 ± 0.7545
ea06 1342 1342/1342 1342 ± 0 4.365 4.135/4.848 4.414 ± 0.4687
ea07 1342 1342/1342 1342 ± 0.00004325 5.575 5.119/6.038 5.501 ± 0.7657
ea08 1342 1342/1342 1342 ± 0.00004336 5.844 5.398/6.61 5.819 ± 0.9272
ea09 1342 1342/1342 1342 ± 0.00001118 5.318 4.978/6.181 5.43 ± 0.82
ea10 1342 1342/1342 1342 ± 0.00004447 5.538 5.146/6.549 5.618 ± 0.8592
ea11 1342 1342/1342 1342 ± 0 5.534 5.004/6.342 5.617 ± 0.8825
ea12 1342 1342/1342 1342 ± 0.00001653 5.53 5.27/6.555 5.701 ± 0.9446
ea13 1342 1342/1342 1342 ± 0.00001868 5.806 5.376/6.254 5.785 ± 0.729
ea14 1342 1342/1342 1342 ± 0.00001282 5.495 5.082/6.267 5.515 ± 0.7742
ea15 1342 1342/1342 1342 ± 0 3.755 3.547/4.585 3.974 ± 0.6943
ea16 1342 1342/1342 1342 ± 0.00002644 5.716 5.407/6.462 5.729 ± 0.8572
ea17 1342 1342/1342 1342 ± 0 5.979 5.542/7.224 6.141 ± 0.9567
ea18 1342 1342/1342 1342 ± 0.00004145 4.689 4.379/5.453 4.802 ± 0.6259
ea19 1342 1342/1342 1342 ± 0 5.331 5.111/6.195 5.489 ± 0.7109
ea20 1342 1342/1342 1342 ± 0 5.823 5.78/6.98 6.077 ± 0.928
ea21 1342 1342/1342 1342 ± 0.00002185 5.404 4.938/6.149 5.436 ± 0.7756
ea23 1342 1342/1342 1342 ± 0.0000327 5.37 5.117/5.491 5.188 ± 0.5685
ea24 1342 1342/1342 1342 ± 0.00004244 5.535 5.178/6.396 5.57 ± 0.8004
ea25 1342 1342/1342 1342 ± 0.00004302 5.408 5.107/6.034 5.419 ± 0.7929
ea26 1342 1342/1342 1342 ± 0.00002367 5.786 5.356/6.777 5.836 ± 0.8808
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004495 5.267 5.072/6.07 5.364 ± 0.7565
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 5.277 4.977/5.406 5.156 ± 0.4296
5 1342 1342/1342 1342 ± 0.00002352 5.308 5.036/5.451 5.203 ± 0.5093
6 1342 1342/1342 1342 ± 0.00002352 5.106 4.972/5.355 5.076 ± 0.4659
7 1342 1342/1342 1342 ± 0.00002352 5.176 5.066/5.371 5.136 ± 0.4656
8 1342 1342/1342 1342 ± 0.00002352 5.211 5.111/5.375 5.148 ± 0.4711
9 1342 1342/1342 1342 ± 0.00002352 5.539 5.274/5.736 5.417 ± 0.5002
10 1342 1342/1342 1342 ± 0.00002352 5.932 5.655/6.12 5.758 ± 0.5661
11 1342 1342/1342 1342 ± 0.00002352 6.139 5.941/6.33 6.04 ± 0.5251
12 1342 1342/1342 1342 ± 0.00002352 6.304 6.077/6.555 6.217 ± 0.559
13 1342 1342/1342 1342 ± 0.00002381 6.488 6.253/6.696 6.427 ± 0.546
14 1342 1342/1342 1342 ± 0.00002968 6.187 5.885/6.598 6.222 ± 0.6368
15 1342 1342/1342 1342 ± 0.00002352 6.475 6.206/6.902 6.403 ± 0.6592
16 1342 1342/1342 1342 ± 0.00006085 4.023 3.866/4.184 3.985 ± 0.3258
17 1342 1342/1342 1342 ± 0.00005941 4.093 3.959/4.219 4.061 ± 0.293
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-11 14:06:21.893
End
2025-01-11 15:06:48.403
Duration
1:00:26.510
Note, WebLog generation is not included in the time.

CASA logs for stage 8