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

Statwt Summary Plot

VLASS2.1.sb38613707.eb38659860.59113.15663519676_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 5.918 5.374/6.157 5.828 ± 0.5577
ea02 1342 1342/1342 1342 ± 0 5.861 5.523/6.632 6.097 ± 0.6395
ea04 1342 1342/1342 1342 ± 0 5.627 5.222/6.259 5.759 ± 0.5837
ea05 1342 1342/1342 1342 ± 0 6.035 5.399/6.559 5.944 ± 0.6301
ea06 1342 1342/1342 1342 ± 0 4.928 4.682/5.276 4.988 ± 0.3455
ea07 1342 1342/1342 1342 ± 0 6.196 5.477/6.308 6.073 ± 0.6201
ea08 1342 1342/1342 1342 ± 0 6.052 5.819/6.864 6.362 ± 0.6723
ea09 1342 1342/1342 1342 ± 0 5.85 5.277/6.573 5.897 ± 0.642
ea10 1342 1342/1342 1342 ± 0 6.125 5.391/6.774 6.091 ± 0.7124
ea11 1342 1342/1342 1342 ± 0 6.147 5.267/6.509 5.996 ± 0.7225
ea12 1342 1342/1342 1342 ± 0 5.436 5.371/5.538 5.522 ± 0.2118
ea13 1342 1342/1342 1342 ± 0 6.469 6.005/6.571 6.424 ± 0.5198
ea14 1342 1342/1342 1342 ± 0 6.045 5.349/6.578 6.012 ± 0.7099
ea15 1342 1342/1342 1342 ± 0 5.984 5.381/6.538 6.05 ± 0.7057
ea16 1342 1342/1342 1342 ± 0 6.283 5.705/6.871 6.362 ± 0.7552
ea17 1342 1342/1342 1342 ± 0.000002212 5.989 5.649/6.961 6.181 ± 0.6427
ea18 1342 1342/1342 1342 ± 0 5.149 4.737/5.6 5.192 ± 0.5561
ea19 1342 1342/1342 1342 ± 0 6.326 5.674/6.866 6.34 ± 0.7082
ea20 1342 1342/1342 1342 ± 0 6.381 5.747/6.876 6.321 ± 0.6681
ea21 1342 1342/1342 1342 ± 0 6.026 5.47/6.467 6.028 ± 0.5968
ea22 1342 1342/1342 1342 ± 0 5.56 5.285/6.361 5.833 ± 0.6493
ea23 1342 1342/1342 1342 ± 0 6.253 5.531/6.647 6.213 ± 0.715
ea25 1342 1342/1342 1342 ± 0 5.745 5.383/6.364 5.905 ± 0.5962
ea26 1342 1342/1342 1342 ± 0 6.196 5.726/7.052 6.341 ± 0.6662
ea27 1342 1342/1342 1342 ± 0.000003127 5.827 5.4/6.511 5.905 ± 0.6139
ea28 1342 1342/1342 1342 ± 0.00002177 5.951 5.543/6.645 6.167 ± 0.6425
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 ± 0.00002348 5.409 5.287/5.683 5.434 ± 0.2817
4 1342 1342/1342 1342 ± 0.00002552 5.198 5.074/5.506 5.24 ± 0.3416
5 1342 1342/1342 1342 ± 0.00002348 5.458 5.221/5.613 5.448 ± 0.3266
6 1342 1342/1342 1342 ± 0.00002348 5.396 5.194/5.509 5.361 ± 0.3455
7 1342 1342/1342 1342 ± 0.00002348 5.423 5.3/5.646 5.425 ± 0.2819
8 1342 1342/1342 1342 ± 0.00002348 5.457 5.231/5.618 5.395 ± 0.3033
9 1342 1342/1342 1342 ± 0.00002348 5.733 5.525/5.946 5.673 ± 0.3428
10 1342 1342/1342 1342 ± 0.00002352 6.181 6.026/6.307 6.112 ± 0.3431
11 1342 1342/1342 1342 ± 0.00002392 6.434 6.261/6.539 6.335 ± 0.3614
12 1342 1342/1342 1342 ± 0.0000244 6.566 6.373/6.765 6.495 ± 0.3968
13 1342 1342/1342 1342 ± 0.00002392 6.99 6.936/7.249 6.964 ± 0.4211
14 1342 1342/1342 1342 ± 0.00002392 7.268 7.016/7.486 7.159 ± 0.4637
15 1342 1342/1342 1342 ± 0.00002392 6.907 6.644/7.109 6.797 ± 0.4634
16 1342 1342/1342 1342 ± 0.0000259 6.126 5.878/6.414 6.116 ± 0.4145
17 1342 1342/1342 1342 ± 0.00002707 6.19 5.856/6.437 6.116 ± 0.4169
vis
VLASS2.1.sb38613707.eb38659860.59113.15663519676_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
Start time
2024-04-13 02:42:47.612
End
2024-04-13 03:57:05.278
Duration
1:14:17.667
Note, WebLog generation is not included in the time.

CASA logs for stage 7