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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.026 5.638/6.688 6.206 ± 0.6652
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.000009515 5.83 5.417/6.578 5.987 ± 0.6452
ea06 1342 1342/1342 1342 ± 0 6.231 5.509/6.556 6.087 ± 0.6671
ea07 1342 1342/1342 1342 ± 0 6.131 5.505/6.378 6.075 ± 0.5985
ea08 1342 1342/1342 1342 ± 0.00001834 6.079 5.622/6.794 6.266 ± 0.6653
ea09 1342 1342/1342 1342 ± 0 6.006 5.48/6.733 6.095 ± 0.685
ea10 1342 1342/1342 1342 ± 0.000004617 6.19 5.674/6.952 6.308 ± 0.653
ea11 1342 1342/1342 1342 ± 0 5.996 5.457/6.635 6.109 ± 0.6891
ea12 1342 1342/1342 1342 ± 0 6.293 5.692/6.698 6.28 ± 0.6526
ea13 1342 1342/1342 1342 ± 0.000002433 5.782 5.626/6.327 5.97 ± 0.5055
ea14 1342 1342/1342 1342 ± 0 6.486 5.788/6.991 6.507 ± 0.758
ea15 1342 1342/1342 1342 ± 0 5.861 5.337/6.211 5.807 ± 0.6035
ea16 1342 1342/1342 1342 ± 0 6.36 5.798/6.916 6.457 ± 0.7401
ea17 1342 1342/1342 1342 ± 0 6.506 6.025/7.437 6.682 ± 0.7209
ea18 1342 1342/1342 1342 ± 0 5.061 4.659/5.54 5.109 ± 0.5552
ea19 1342 1342/1342 1342 ± 0 6.593 5.883/7.166 6.593 ± 0.749
ea20 1342 1342/1342 1342 ± 0 6.134 5.827/7.002 6.315 ± 0.6534
ea21 1342 1342/1342 1342 ± 0 6.019 5.638/6.66 6.18 ± 0.6234
ea22 1342 1342/1342 1342 ± 0 6.201 5.35/6.624 6.06 ± 0.7017
ea23 1342 1342/1342 1342 ± 0 6.233 5.844/6.87 6.45 ± 0.6745
ea24 1342 1342/1342 1342 ± 0 5.831 5.179/6.45 5.773 ± 0.6448
ea26 1342 1342/1342 1342 ± 0 6.335 5.817/7.158 6.425 ± 0.7787
ea27 1342 1342/1342 1342 ± 0.000001687 6.081 5.846/7.161 6.391 ± 0.748
ea28 1342 1342/1342 1342 ± 0.000001193 6.056 5.84/6.998 6.429 ± 0.7156
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 ± 0.00002444 5.717 5.551/5.869 5.666 ± 0.3122
4 1342 1342/1342 1342 ± 0.00002485 5.32 5.062/5.468 5.264 ± 0.3593
5 1342 1342/1342 1342 ± 0.00002444 5.654 5.423/5.791 5.591 ± 0.335
6 1342 1342/1342 1342 ± 0.00002444 5.637 5.419/5.8 5.562 ± 0.2833
7 1342 1342/1342 1342 ± 0.00002444 5.679 5.459/5.849 5.614 ± 0.294
8 1342 1342/1342 1342 ± 0.00002444 5.594 5.389/5.836 5.553 ± 0.3413
9 1342 1342/1342 1342 ± 0.00002444 5.908 5.622/6.088 5.837 ± 0.3459
10 1342 1342/1342 1342 ± 0.00002444 6.383 6.188/6.548 6.301 ± 0.3432
11 1342 1342/1342 1342 ± 0.00002444 6.574 6.336/6.848 6.55 ± 0.3642
12 1342 1342/1342 1342 ± 0.00002444 6.698 6.466/6.99 6.698 ± 0.4044
13 1342 1342/1342 1342 ± 0.00002444 7.197 6.927/7.539 7.181 ± 0.4301
14 1342 1342/1342 1342 ± 0.00002444 7.455 7.259/7.779 7.411 ± 0.4175
15 1342 1342/1342 1342 ± 0.00002444 7.099 6.791/7.448 7.051 ± 0.4229
16 1342 1342/1342 1342 ± 0.00002444 6.325 6.091/6.442 6.316 ± 0.4021
17 1342 1342/1342 1342 ± 0.00002845 6.269 6.007/6.447 6.234 ± 0.3787
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-04-18 17:02:00.584
End
2025-04-18 17:56:32.914
Duration
0:54:32.330
Note, WebLog generation is not included in the time.

CASA logs for stage 8