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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.407 5.205/5.997 5.468 ± 0.7497
ea02 1342 1342/1342 1342 ± 0.0000427 5.852 5.437/6.69 5.876 ± 0.9022
ea04 1342 1342/1342 1342 ± 0 5.494 5.059/6.019 5.401 ± 0.7747
ea05 1342 1342/1342 1342 ± 0.00000638 5.725 5.32/6.527 5.833 ± 0.7674
ea06 1342 1342/1342 1342 ± 0.00000121 5.185 4.936/5.895 5.224 ± 0.7849
ea07 1342 1342/1342 1342 ± 0.00004285 5.899 5.43/6.242 5.698 ± 0.8181
ea08 1342 1342/1342 1342 ± 0.00004159 5.838 5.609/6.963 6.013 ± 0.9715
ea09 1342 1342/1342 1342 ± 0.00002222 5.189 4.971/5.89 5.363 ± 0.5905
ea10 1342 1342/1342 1342 ± 0.00004269 5.098 4.876/5.914 5.186 ± 0.7194
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00000554 5.658 5.456/6.61 5.728 ± 1.027
ea13 1342 1342/1342 1342 ± 0.00002221 5.775 5.665/6.322 5.921 ± 0.6997
ea14 1342 1342/1342 1342 ± 0.000003562 5.63 5.204/6.604 5.758 ± 0.7978
ea15 1342 1342/1342 1342 ± 0.000001188 5.432 5.163/6.469 5.674 ± 0.9023
ea16 1342 1342/1342 1342 ± 0.00001527 5.834 5.323/6.623 5.914 ± 0.8801
ea17 1342 1342/1342 1342 ± 0.00004399 5.936 5.497/6.629 5.899 ± 0.9293
ea18 1342 1342/1342 1342 ± 0.00003252 5.086 4.754/5.792 5.078 ± 0.7425
ea19 1342 1342/1342 1342 ± 0 5.95 5.691/6.777 6.072 ± 0.7781
ea20 1342 1342/1342 1342 ± 0.00001696 6.078 5.696/7 6.09 ± 1.146
ea21 1342 1342/1342 1342 ± 0.00001217 5.631 5.433/6.449 5.692 ± 0.7836
ea22 1342 1342/1342 1342 ± 0.00003697 5.487 5.241/6.486 5.698 ± 0.8032
ea23 1342 1342/1342 1342 ± 0.00004607 6.474 5.726/6.685 5.961 ± 1.092
ea24 1342 1342/1342 1342 ± 0.00001371 5.079 4.879/6.099 5.431 ± 0.6378
ea25 1342 1342/1342 1342 ± 0.00004272 5.61 5.284/6.382 5.648 ± 0.8717
ea26 1342 1342/1342 1342 ± 0.00003157 5.793 5.498/6.898 6.039 ± 0.8264
ea27 1342 1342/1342 1342 ± 0.0000433 5.643 5.297/6.57 5.685 ± 0.8666
ea28 1342 1342/1342 1342 ± 0.00004249 5.819 5.543/6.709 5.855 ± 0.9141
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 ± 0.00002392 5.511 5.347/5.788 5.515 ± 0.3276
3 1342 1342/1342 1342 ± 0.00003818 4.996 4.861/5.22 5.038 ± 0.2921
5 1342 1342/1342 1342 ± 0.00002413 5.346 5.14/5.582 5.353 ± 0.2961
6 1342 1342/1342 1342 ± 0.00002392 5.47 5.152/5.624 5.393 ± 0.2849
7 1342 1342/1342 1342 ± 0.00002392 5.437 5.244/5.657 5.432 ± 0.2856
8 1342 1342/1342 1342 ± 0.00002392 5.479 5.102/5.609 5.392 ± 0.3135
9 1342 1342/1342 1342 ± 0.00002434 5.734 5.373/5.951 5.695 ± 0.3047
10 1342 1342/1342 1342 ± 0.00002348 6.205 5.905/6.275 6.103 ± 0.3326
11 1342 1342/1342 1342 ± 0.00002348 6.467 6.097/6.628 6.394 ± 0.3307
12 1342 1342/1342 1342 ± 0.00002348 6.577 6.29/6.793 6.551 ± 0.3678
13 1342 1342/1342 1342 ± 0.00002348 6.773 6.414/7.085 6.747 ± 0.399
14 1342 1342/1342 1342 ± 0.00002502 6.493 6.189/6.862 6.533 ± 0.4747
15 1342 1342/1342 1342 ± 0.00002466 6.695 6.346/6.944 6.594 ± 0.4412
16 1342 1342/1342 1342 ± 0.00006101 4.03 3.825/4.332 4.092 ± 0.346
17 1342 1342/1342 1342 ± 0.0000606 4.193 3.979/4.464 4.199 ± 0.3495
overwrite_modelcol
False
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-11-07 21:09:42.560
End
2024-11-07 22:14:34.893
Duration
1:04:52.333
Note, WebLog generation is not included in the time.

CASA logs for stage 8