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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.342 5.241/6.046 5.6 ± 0.6389
ea02 1342 1342/1342 1342 ± 0.0000343 5.974 5.378/6.58 6.012 ± 0.7736
ea04 1342 1342/1342 1342 ± 0.00003186 5.155 4.911/5.787 5.308 ± 0.5997
ea05 1342 1342/1342 1342 ± 0.00001076 5.383 5.034/6.226 5.659 ± 0.7019
ea06 1342 1342/1342 1342 ± 0 4.831 4.668/5.224 4.959 ± 0.4059
ea07 1342 1342/1342 1342 ± 0.000033 5.885 5.403/6.256 5.902 ± 0.7517
ea08 1342 1342/1342 1342 ± 0 6.543 5.572/6.947 6.303 ± 0.6483
ea10 1342 1342/1342 1342 ± 0.000033 5.796 5.266/6.552 5.86 ± 0.7914
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001092 5.413 5.305/6.422 5.747 ± 0.8094
ea13 1342 1342/1342 1342 ± 0 5.813 5.599/6.279 5.963 ± 0.6299
ea14 1342 1342/1342 1342 ± 0.00001385 5.544 5.159/6.354 5.698 ± 0.7484
ea15 1342 1342/1342 1342 ± 0.00002367 5.236 4.988/6.01 5.464 ± 0.712
ea16 1342 1342/1342 1342 ± 0.00001268 5.936 5.488/6.722 6.037 ± 0.8478
ea17 1342 1342/1342 1342 ± 0.000033 5.812 5.439/6.728 5.974 ± 0.7855
ea18 1342 1342/1342 1342 ± 0 5.072 4.737/5.589 5.154 ± 0.5145
ea19 1342 1342/1342 1342 ± 0.000001381 5.716 5.526/6.601 6.072 ± 0.7179
ea20 1342 1342/1342 1342 ± 0.000007023 5.835 5.601/6.615 6.003 ± 0.8511
ea21 1342 1342/1342 1342 ± 0.00001951 5.543 5.314/6.235 5.755 ± 0.6812
ea22 1342 1342/1342 1342 ± 0.00002988 5.494 5.22/6.521 5.833 ± 0.7099
ea23 1342 1342/1342 1342 ± 0.00003287 5.828 5.451/6.515 5.96 ± 0.8012
ea25 1342 1342/1342 1342 ± 0.00003287 5.386 5.104/6.143 5.573 ± 0.7387
ea26 1342 1342/1342 1342 ± 0.00001937 5.859 5.708/6.803 6.232 ± 0.7181
ea27 1342 1342/1342 1342 ± 0.00003309 5.506 5.093/6.379 5.709 ± 0.7268
ea28 1342 1342/1342 1342 ± 0 6 5.411/6.672 6.053 ± 0.6295
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 ± 0.00002442 5.221 5.029/5.568 5.267 ± 0.2922
5 1342 1342/1342 1342 ± 0.00002439 5.484 5.271/5.617 5.401 ± 0.3788
6 1342 1342/1342 1342 ± 0.00002442 5.362 5.13/5.522 5.313 ± 0.3108
7 1342 1342/1342 1342 ± 0.00002442 5.32 5.215/5.543 5.306 ± 0.2788
8 1342 1342/1342 1342 ± 0.00002442 5.334 5.057/5.478 5.251 ± 0.2968
9 1342 1342/1342 1342 ± 0.00002442 5.596 5.379/5.833 5.549 ± 0.3464
10 1342 1342/1342 1342 ± 0.00002442 5.992 5.838/6.194 5.959 ± 0.3507
11 1342 1342/1342 1342 ± 0.00002442 6.262 6.102/6.423 6.187 ± 0.362
12 1342 1342/1342 1342 ± 0.00002442 6.408 6.218/6.58 6.347 ± 0.3818
13 1342 1342/1342 1342 ± 0.00002442 6.773 6.625/7.038 6.752 ± 0.4038
14 1342 1342/1342 1342 ± 0.00002442 7.119 6.786/7.245 6.961 ± 0.4418
15 1342 1342/1342 1342 ± 0.00002449 6.544 6.259/6.71 6.437 ± 0.4508
16 1342 1342/1342 1342 ± 0.00004966 4.559 4.381/4.814 4.587 ± 0.2399
17 1342 1342/1342 1342 ± 0.00006093 4.539 4.319/4.789 4.558 ± 0.2857
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2024-12-21 05:50:36.829
End
2024-12-21 06:35:20.442
Duration
0:44:43.613
Note, WebLog generation is not included in the time.

CASA logs for stage 8