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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.895 5.055/6.232 5.579 ± 0.7654
ea02 1342 1342/1342 1342 ± 0.00004108 6.209 5.262/6.672 5.897 ± 0.9302
ea04 1342 1342/1342 1342 ± 0.00003099 5.606 5.025/6.147 5.517 ± 0.7359
ea05 1342 1342/1342 1342 ± 0.00001372 5.499 5.018/6.395 5.642 ± 0.8153
ea06 1342 1342/1342 1342 ± 0.0000307 5.629 4.668/5.912 5.29 ± 0.7044
ea07 1342 1342/1342 1342 ± 0.00003141 5.551 5.167/6.164 5.64 ± 0.7552
ea09 1342 1342/1342 1342 ± 0.0000316 5.412 4.919/6.171 5.434 ± 0.7692
ea10 1342 1342/1342 1342 ± 0.00003315 5.1 4.79/5.81 5.226 ± 0.6777
ea11 1342 1342/1342 1342 ± 0.00003537 5.754 5.215/6.549 5.791 ± 0.8618
ea12 1342 1342/1342 1342 ± 0.00003378 5.586 5.143/6.664 5.852 ± 0.9182
ea13 1342 1342/1342 1342 ± 0.00002293 5.459 5.352/6.187 5.752 ± 0.8088
ea14 1342 1342/1342 1342 ± 0.00003259 5.848 5.117/6.595 5.792 ± 0.9296
ea15 1342 1342/1342 1342 ± 0.00003212 5.787 5.169/6.53 5.807 ± 0.9247
ea16 1342 1342/1342 1342 ± 0.00002988 6.02 5.246/6.745 5.902 ± 1.043
ea17 1342 1342/1342 1342 ± 0.00003621 6.096 5.181/6.713 5.963 ± 0.9226
ea18 1342 1342/1342 1342 ± 0.00003444 4.824 4.617/5.679 5.06 ± 0.6582
ea19 1342 1342/1342 1342 ± 0.00001693 5.648 5.404/6.573 5.859 ± 0.8948
ea20 1342 1342/1342 1342 ± 0.00003479 5.947 5.697/7.019 6.225 ± 0.9478
ea21 1342 1342/1342 1342 ± 0.00002775 5.595 5.21/6.321 5.634 ± 0.8424
ea22 1342 1342/1342 1342 ± 0.00003897 5.782 4.939/6.459 5.693 ± 0.9401
ea23 1342 1342/1342 1342 ± 0.00003007 5.704 5.371/6.599 5.859 ± 0.8678
ea24 1342 1342/1342 1342 ± 0.00002096 5.619 4.685/6.099 5.387 ± 0.7853
ea25 1342 1342/1342 1342 ± 0.00003506 5.461 5.228/6.33 5.648 ± 0.819
ea26 1342 1342/1342 1342 ± 0.00002156 5.898 5.486/6.773 6.039 ± 0.8542
ea27 1342 1342/1342 1342 ± 0.00003561 5.451 5.084/6.52 5.699 ± 0.8101
ea28 1342 1342/1342 1342 ± 0.00003768 5.851 5.273/6.694 5.907 ± 0.906
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 ± 0.00002354 5.088 4.929/5.295 5.088 ± 0.2967
5 1342 1342/1342 1342 ± 0.00002356 5.496 5.254/5.699 5.477 ± 0.4158
6 1342 1342/1342 1342 ± 0.00002354 5.113 4.879/5.255 5.071 ± 0.2528
7 1342 1342/1342 1342 ± 0.00002374 5.253 5.098/5.391 5.233 ± 0.2553
8 1342 1342/1342 1342 ± 0.00002374 5.184 4.954/5.292 5.167 ± 0.2949
9 1342 1342/1342 1342 ± 0.00002583 5.454 5.294/5.608 5.437 ± 0.3139
10 1342 1342/1342 1342 ± 0.00002352 6.078 5.808/6.17 6 ± 0.28
11 1342 1342/1342 1342 ± 0.00002352 6.375 6.04/6.509 6.284 ± 0.3037
12 1342 1342/1342 1342 ± 0.00002352 6.451 6.179/6.672 6.45 ± 0.3452
13 1342 1342/1342 1342 ± 0.0000236 6.667 6.386/6.975 6.607 ± 0.4228
14 1342 1342/1342 1342 ± 0.00002352 6.993 6.727/7.228 6.929 ± 0.411
15 1342 1342/1342 1342 ± 0.00002682 6.489 6.209/6.717 6.429 ± 0.381
16 1342 1342/1342 1342 ± 0.00005351 3.989 3.897/4.078 3.989 ± 0.1452
17 1342 1342/1342 1342 ± 0.00005357 4.072 3.902/4.249 4.077 ± 0.2684
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
Start time
2024-10-31 09:08:52.818
End
2024-10-31 10:06:09.787
Duration
0:57:16.969
Note, WebLog generation is not included in the time.

CASA logs for stage 8