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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.358 5.243/6.052 5.424 ± 0.8012
ea02 1342 1342/1342 1342 ± 0.00004251 5.833 5.308/6.604 5.761 ± 0.9749
ea04 1342 1342/1342 1342 ± 0 5.332 5.049/6.015 5.427 ± 0.735
ea05 1342 1342/1342 1342 ± 0.0000172 5.56 5.138/6.506 5.68 ± 0.8164
ea06 1342 1342/1342 1342 ± 0.00000274 5.254 4.805/5.397 4.962 ± 0.6982
ea07 1342 1342/1342 1342 ± 0.00004275 5.919 5.355/6.285 5.738 ± 0.8863
ea08 1342 1342/1342 1342 ± 0.00004273 5.905 5.549/6.677 5.915 ± 1.005
ea09 1342 1342/1342 1342 ± 0.00002637 5.385 5.184/6.433 5.584 ± 0.7958
ea10 1342 1342/1342 1342 ± 0.00004299 5.505 5.3/6.477 5.665 ± 0.9056
ea11 1342 1342/1342 1342 ± 0.00003584 5.561 5.09/6.378 5.591 ± 0.9602
ea12 1342 1342/1342 1342 ± 0.000007309 5.677 5.367/6.515 5.775 ± 0.9688
ea13 1342 1342/1342 1342 ± 0.000022 5.937 5.739/6.404 5.958 ± 0.7851
ea14 1342 1342/1342 1342 ± 0.00000615 5.666 5.285/6.534 5.737 ± 0.8508
ea15 1342 1342/1342 1342 ± 0 5.336 5.062/6.169 5.529 ± 0.8353
ea16 1342 1342/1342 1342 ± 0.00002945 5.981 5.548/6.882 6.028 ± 1.01
ea17 1342 1342/1342 1342 ± 0.00004275 5.721 5.56/6.924 5.831 ± 0.9972
ea18 1342 1342/1342 1342 ± 0.00002796 5.049 4.736/5.65 5.004 ± 0.7367
ea19 1342 1342/1342 1342 ± 0.000006658 5.806 5.562/6.752 5.956 ± 0.8986
ea20 1342 1342/1342 1342 ± 0.0000187 5.888 5.703/6.93 5.984 ± 1.035
ea21 1342 1342/1342 1342 ± 0.00002483 5.541 5.355/6.345 5.649 ± 0.8375
ea22 1342 1342/1342 1342 ± 0.0000348 5.422 5.223/6.458 5.574 ± 0.8763
ea23 1342 1342/1342 1342 ± 0.00004272 5.761 5.507/6.576 5.811 ± 0.934
ea25 1342 1342/1342 1342 ± 0.00004272 5.365 5.17/6.214 5.476 ± 0.8947
ea26 1342 1342/1342 1342 ± 0.00002564 5.856 5.67/6.885 6.037 ± 0.8846
ea27 1342 1342/1342 1342 ± 0.00004658 5.427 5.046/6.279 5.492 ± 0.8601
ea28 1342 1342/1342 1342 ± 0.00004156 5.574 5.377/6.483 5.608 ± 0.9737
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 ± 0.0000246 5.554 5.344/5.859 5.581 ± 0.2744
3 1342 1342/1342 1342 ± 0.00004272 4.752 4.624/4.89 4.763 ± 0.2079
5 1342 1342/1342 1342 ± 0.00002511 5.488 5.247/5.597 5.445 ± 0.27
6 1342 1342/1342 1342 ± 0.0000246 5.354 5.1/5.559 5.342 ± 0.279
7 1342 1342/1342 1342 ± 0.0000246 5.366 5.194/5.558 5.381 ± 0.2475
8 1342 1342/1342 1342 ± 0.0000246 5.318 5.109/5.493 5.312 ± 0.2478
9 1342 1342/1342 1342 ± 0.0000246 5.673 5.38/5.838 5.584 ± 0.3019
10 1342 1342/1342 1342 ± 0.0000243 6.01 5.806/6.198 5.962 ± 0.3304
11 1342 1342/1342 1342 ± 0.0000243 6.255 6.15/6.449 6.234 ± 0.3215
12 1342 1342/1342 1342 ± 0.0000243 6.497 6.284/6.622 6.439 ± 0.3479
13 1342 1342/1342 1342 ± 0.00002433 6.778 6.654/7.004 6.759 ± 0.3637
14 1342 1342/1342 1342 ± 0.00003055 6.747 6.515/7.007 6.716 ± 0.4251
15 1342 1342/1342 1342 ± 0.00002434 6.768 6.603/7.059 6.766 ± 0.448
16 1342 1342/1342 1342 ± 0.00006077 3.894 3.754/4.123 3.933 ± 0.2273
17 1342 1342/1342 1342 ± 0.00006081 4.06 3.901/4.278 4.087 ± 0.2401
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-17 11:12:05.279
End
2024-04-17 12:21:36.534
Duration
1:09:31.255
Note, WebLog generation is not included in the time.

CASA logs for stage 7