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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.321 5.213/5.949 5.413 ± 0.7837
ea02 1342 1342/1342 1342 ± 0.00004184 5.782 5.347/6.462 5.699 ± 0.9671
ea05 1342 1342/1342 1342 ± 0.00001654 5.504 5.129/6.515 5.701 ± 0.8043
ea06 1342 1342/1342 1342 ± 0 4.875 4.818/5.388 4.951 ± 0.5672
ea07 1342 1342/1342 1342 ± 0.00004178 5.821 5.396/6.001 5.614 ± 0.8202
ea08 1342 1342/1342 1342 ± 0.00004188 5.986 5.629/6.734 5.945 ± 1.018
ea09 1342 1342/1342 1342 ± 0.0000117 3.844 3.378/5.755 4.442 ± 1.141
ea10 1342 1342/1342 1342 ± 0.00004203 5.379 5.118/6.373 5.52 ± 0.8881
ea11 1342 1342/1342 1342 ± 0 5.914 5.341/6.516 6.025 ± 0.6431
ea12 1342 1342/1342 1342 ± 0.000002884 5.578 5.42/6.57 5.804 ± 0.9563
ea13 1342 1342/1342 1342 ± 0.00001601 5.918 5.754/6.404 5.913 ± 0.7609
ea14 1342 1342/1342 1342 ± 0.00002087 6.597 6.063/7.1 6.111 ± 1.161
ea15 1342 1342/1342 1342 ± 0 5.306 5.179/6.202 5.581 ± 0.8281
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00004202 5.845 5.653/6.662 5.888 ± 0.957
ea18 1342 1342/1342 1342 ± 0.00003204 4.98 4.719/5.798 5.064 ± 0.7353
ea19 1342 1342/1342 1342 ± 0.00001038 5.636 5.471/6.719 5.906 ± 0.8398
ea20 1342 1342/1342 1342 ± 0.00001931 5.98 5.806/7.04 6.099 ± 1.038
ea21 1342 1342/1342 1342 ± 0.00002795 5.496 5.38/6.369 5.705 ± 0.8149
ea22 1342 1342/1342 1342 ± 0.00003976 5.389 5.142/6.3 5.496 ± 0.8763
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.377 5.33/5.415 5.368 ± 0.1451
ea26 1342 1342/1342 1342 ± 0.00001724 5.678 5.551/6.636 5.792 ± 0.8145
ea27 1342 1342/1342 1342 ± 0.00004214 5.503 5.129/6.308 5.574 ± 0.8712
ea28 1342 1342/1342 1342 ± 0.00005293 6.498 5.991/6.618 5.901 ± 1.171
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 ± 0.00002621 5.48 5.265/5.75 5.417 ± 0.509
3 1342 1342/1342 1342 ± 0.00002625 5.395 5.124/5.528 5.262 ± 0.5136
5 1342 1342/1342 1342 ± 0.00002621 5.397 5.284/5.624 5.311 ± 0.5666
6 1342 1342/1342 1342 ± 0.00002621 5.427 5.211/5.499 5.289 ± 0.5148
7 1342 1342/1342 1342 ± 0.00002621 5.34 5.193/5.509 5.28 ± 0.4949
8 1342 1342/1342 1342 ± 0.00002621 5.359 5.093/5.487 5.215 ± 0.5183
9 1342 1342/1342 1342 ± 0.00002621 5.604 5.454/5.85 5.494 ± 0.5832
10 1342 1342/1342 1342 ± 0.00002562 6.075 5.847/6.15 6.004 ± 0.3498
11 1342 1342/1342 1342 ± 0.00002562 6.399 6.197/6.484 6.282 ± 0.3618
12 1342 1342/1342 1342 ± 0.00002562 6.53 6.203/6.642 6.441 ± 0.3731
13 1342 1342/1342 1342 ± 0.00002562 6.711 6.369/7.017 6.679 ± 0.4263
14 1342 1342/1342 1342 ± 0.00002684 6.654 6.218/6.982 6.593 ± 0.5084
15 1342 1342/1342 1342 ± 0.00002618 6.756 6.593/7.015 6.687 ± 0.4779
16 1342 1342/1342 1342 ± 0.00006085 3.963 3.808/4.205 4.016 ± 0.2674
17 1342 1342/1342 1342 ± 0.00006098 3.887 3.768/4.16 3.959 ± 0.2538
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-01-31 19:40:45.974
End
2025-01-31 20:05:30.369
Duration
0:24:44.395
Note, WebLog generation is not included in the time.

CASA logs for stage 8