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

Statwt Summary Plot

VLASS2.2.sb40493634.eb40941789.59520.06707907407_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 5.852 5.727/6.633 6.183 ± 0.6046
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0 5.852 5.316/6.628 5.995 ± 0.6636
ea06 1342 1342/1342 1342 ± 0 6.154 5.54/6.479 6.089 ± 0.5792
ea07 1342 1342/1342 1342 ± 0 6.189 5.559/6.47 6.122 ± 0.6261
ea08 1342 1342/1342 1342 ± 0.00002912 5.968 5.751/6.723 6.251 ± 0.6439
ea09 1342 1342/1342 1342 ± 0.00001672 5.939 5.406/6.734 6.05 ± 0.6896
ea10 1342 1342/1342 1342 ± 0.000007902 6.068 5.525/6.85 6.202 ± 0.6435
ea11 1342 1342/1342 1342 ± 0 6.112 5.444/6.664 6.152 ± 0.6781
ea12 1342 1342/1342 1342 ± 0 6.256 5.655/6.747 6.274 ± 0.6697
ea13 1342 1342/1342 1342 ± 0.00002197 5.911 5.807/6.452 6.145 ± 0.5048
ea14 1342 1342/1342 1342 ± 0 6.447 5.813/6.89 6.46 ± 0.715
ea15 1342 1342/1342 1342 ± 0 5.722 5.118/6.12 5.669 ± 0.6444
ea16 1342 1342/1342 1342 ± 0 6.473 5.748/6.906 6.466 ± 0.771
ea17 1342 1342/1342 1342 ± 0 6.616 5.968/7.387 6.667 ± 0.7257
ea18 1342 1342/1342 1342 ± 0 5.092 4.709/5.526 5.124 ± 0.5183
ea19 1342 1342/1342 1342 ± 0 6.573 5.854/7.169 6.538 ± 0.7052
ea20 1342 1342/1342 1342 ± 0 6.019 5.752/6.956 6.279 ± 0.6391
ea21 1342 1342/1342 1342 ± 0 6.194 5.608/6.643 6.206 ± 0.6354
ea22 1342 1342/1342 1342 ± 0 6.251 5.502/6.739 6.15 ± 0.6774
ea23 1342 1342/1342 1342 ± 0 6.115 5.73/6.807 6.33 ± 0.6987
ea24 1342 1342/1342 1342 ± 0.000003325 5.662 5.057/6.269 5.652 ± 0.6058
ea26 1342 1342/1342 1342 ± 0.000008939 6.255 5.707/7.064 6.369 ± 0.6962
ea27 1342 1342/1342 1342 ± 0.0000129 6.081 5.649/7.043 6.269 ± 0.7347
ea28 1342 1342/1342 1342 ± 0.00001585 6.021 5.812/7.015 6.419 ± 0.7401
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 ± 0.00002439 5.593 5.505/5.774 5.585 ± 0.3009
4 1342 1342/1342 1342 ± 0.00002885 5.414 5.191/5.551 5.304 ± 0.3665
5 1342 1342/1342 1342 ± 0.00002439 5.654 5.361/5.772 5.547 ± 0.3372
6 1342 1342/1342 1342 ± 0.00002439 5.569 5.371/5.72 5.51 ± 0.2819
7 1342 1342/1342 1342 ± 0.00002439 5.618 5.47/5.778 5.574 ± 0.2854
8 1342 1342/1342 1342 ± 0.00002439 5.514 5.389/5.797 5.513 ± 0.324
9 1342 1342/1342 1342 ± 0.00002439 5.908 5.697/6.04 5.815 ± 0.3268
10 1342 1342/1342 1342 ± 0.00002439 6.368 6.253/6.462 6.277 ± 0.3376
11 1342 1342/1342 1342 ± 0.00002439 6.569 6.403/6.736 6.521 ± 0.3448
12 1342 1342/1342 1342 ± 0.00002439 6.739 6.415/6.918 6.678 ± 0.3868
13 1342 1342/1342 1342 ± 0.00002439 7.155 6.959/7.439 7.148 ± 0.4156
14 1342 1342/1342 1342 ± 0.00002439 7.382 7.218/7.654 7.358 ± 0.4058
15 1342 1342/1342 1342 ± 0.00002439 7.021 6.786/7.378 7 ± 0.4062
16 1342 1342/1342 1342 ± 0.00002439 6.241 6.084/6.455 6.252 ± 0.3893
17 1342 1342/1342 1342 ± 0.00004151 6.119 5.887/6.387 6.146 ± 0.3806
datacolumn
residual_data
vis
VLASS2.2.sb40493634.eb40941789.59520.06707907407_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-04-18 13:36:30.341
End
2025-04-18 14:47:36.717
Duration
1:11:06.376
Note, WebLog generation is not included in the time.

CASA logs for stage 8