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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.65 5.082/5.943 5.509 ± 0.6071
ea02 1342 1342/1342 1342 ± 0.00003846 6.008 5.144/6.441 5.795 ± 0.8569
ea04 1342 1342/1342 1342 ± 0.00003542 5.206 4.834/5.903 5.26 ± 0.7244
ea05 1342 1342/1342 1342 ± 0.00002513 5.319 4.948/6.352 5.564 ± 0.9109
ea06 1342 1342/1342 1342 ± 0.00003712 5.455 4.398/5.533 4.942 ± 0.7266
ea07 1342 1342/1342 1342 ± 0.00002306 5.654 5.152/6.063 5.685 ± 0.6789
ea08 1342 1342/1342 1342 ± 0.00002471 6.496 5.459/6.713 6.127 ± 0.8161
ea09 1342 1342/1342 1342 ± 0.00003293 5.461 5.025/6.254 5.494 ± 0.8898
ea10 1342 1342/1342 1342 ± 0.00002422 5.965 4.938/6.194 5.613 ± 0.7082
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003526 5.401 5.099/6.277 5.578 ± 0.8251
ea13 1342 1342/1342 1342 ± 0.00002329 5.529 5.359/6.099 5.704 ± 0.8451
ea14 1342 1342/1342 1342 ± 0.00003251 5.871 5.216/6.478 5.789 ± 0.9093
ea15 1342 1342/1342 1342 ± 0.0000354 5.327 4.986/6.095 5.501 ± 0.8509
ea16 1342 1342/1342 1342 ± 0.00003205 5.628 5.25/6.462 5.741 ± 0.962
ea17 1342 1342/1342 1342 ± 0.00002821 5.965 5.456/6.731 5.992 ± 0.7877
ea18 1342 1342/1342 1342 ± 0.00002827 4.993 4.639/5.466 4.962 ± 0.5316
ea19 1342 1342/1342 1342 ± 0.00001701 5.567 5.304/6.605 5.793 ± 0.9681
ea20 1342 1342/1342 1342 ± 0.00003219 6.162 5.531/6.62 5.94 ± 0.8157
ea21 1342 1342/1342 1342 ± 0.00003161 5.394 5.129/6.155 5.572 ± 0.853
ea22 1342 1342/1342 1342 ± 0.0000371 5.347 5.032/6.358 5.565 ± 0.9266
ea23 1342 1342/1342 1342 ± 0.00002519 5.963 5.303/6.742 5.885 ± 0.8497
ea25 1342 1342/1342 1342 ± 0.000026 5.43 5.029/6.145 5.543 ± 0.6756
ea27 1342 1342/1342 1342 ± 0.00002646 5.349 5.069/6.21 5.56 ± 0.6667
ea28 1342 1342/1342 1342 ± 0.00002958 5.873 5.206/6.482 5.803 ± 0.7696
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 ± 0.00002443 5.219 5.039/5.412 5.184 ± 0.2772
5 1342 1342/1342 1342 ± 0.00004037 5.06 4.804/5.235 5.012 ± 0.2313
6 1342 1342/1342 1342 ± 0.00002443 5.118 5.018/5.31 5.11 ± 0.2707
7 1342 1342/1342 1342 ± 0.00002443 5.137 4.953/5.239 5.099 ± 0.2478
8 1342 1342/1342 1342 ± 0.00002443 5.152 4.942/5.302 5.091 ± 0.2808
9 1342 1342/1342 1342 ± 0.00002481 5.417 5.301/5.631 5.403 ± 0.2987
10 1342 1342/1342 1342 ± 0.00002443 5.867 5.698/5.966 5.815 ± 0.2844
11 1342 1342/1342 1342 ± 0.00002443 6.098 5.985/6.257 6.093 ± 0.2989
12 1342 1342/1342 1342 ± 0.00002443 6.305 6.085/6.435 6.264 ± 0.3066
13 1342 1342/1342 1342 ± 0.0000247 6.536 6.218/6.674 6.459 ± 0.37
14 1342 1342/1342 1342 ± 0.00002525 6.687 6.26/6.953 6.591 ± 0.4682
15 1342 1342/1342 1342 ± 0.00003275 6.575 6.38/6.812 6.538 ± 0.4031
16 1342 1342/1342 1342 ± 0.00005008 3.686 3.557/3.813 3.684 ± 0.2001
17 1342 1342/1342 1342 ± 0.00004764 3.761 3.572/3.96 3.781 ± 0.3631
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-02 10:06:31.537
End
2024-11-02 11:08:56.703
Duration
1:02:25.166
Note, WebLog generation is not included in the time.

CASA logs for stage 8