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

Statwt Summary Plot

VLASS2.1.sb38521729.eb38627577.59093.001901145835_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 5.54 5.288/6.041 5.694 ± 0.5288
ea02 1342 1342/1342 1342 ± 0 5.802 5.409/6.456 5.996 ± 0.6574
ea04 1342 1342/1342 1342 ± 0 5.589 5.241/6.143 5.751 ± 0.5438
ea05 1342 1342/1342 1342 ± 0 5.525 5.157/6.057 5.658 ± 0.5722
ea06 1342 1342/1342 1342 ± 0 4.963 4.761/5.359 5.064 ± 0.3659
ea07 1342 1342/1342 1342 ± 0 5.938 5.427/6.201 5.96 ± 0.5691
ea08 1342 1342/1342 1342 ± 0.00001004 5.854 5.502/6.618 6.077 ± 0.6902
ea09 1342 1342/1342 1342 ± 0 5.621 5.191/6.249 5.727 ± 0.6348
ea10 1342 1342/1342 1342 ± 0 5.899 5.315/6.543 5.914 ± 0.6594
ea11 1342 1342/1342 1342 ± 0 5.842 5.179/6.324 5.83 ± 0.644
ea12 1342 1342/1342 1342 ± 0 6.382 6.131/6.861 6.487 ± 0.4209
ea13 1342 1342/1342 1342 ± 0 6.057 5.736/6.336 6.123 ± 0.5035
ea14 1342 1342/1342 1342 ± 0 5.68 5.114/6.265 5.766 ± 0.6435
ea15 1342 1342/1342 1342 ± 0 5.738 5.269/6.377 5.884 ± 0.6787
ea16 1342 1342/1342 1342 ± 0 6.024 5.551/6.627 6.16 ± 0.7059
ea17 1342 1342/1342 1342 ± 0.0000136 5.959 5.575/6.487 6.113 ± 0.6198
ea18 1342 1342/1342 1342 ± 0 5.038 4.753/5.545 5.184 ± 0.496
ea19 1342 1342/1342 1342 ± 0 5.793 5.386/6.335 5.951 ± 0.5892
ea20 1342 1342/1342 1342 ± 0 6.097 5.69/6.712 6.214 ± 0.6522
ea21 1342 1342/1342 1342 ± 0 5.566 5.257/6.103 5.706 ± 0.5387
ea22 1342 1342/1342 1342 ± 0 5.51 5.295/6.354 5.807 ± 0.6548
ea23 1342 1342/1342 1342 ± 0 5.987 5.486/6.372 6.036 ± 0.6463
ea25 1342 1342/1342 1342 ± 0 5.541 5.187/6.045 5.65 ± 0.5748
ea26 1342 1342/1342 1342 ± 0 5.999 5.66/6.673 6.156 ± 0.6651
ea27 1342 1342/1342 1342 ± 0.00002083 5.527 5.332/6.352 5.761 ± 0.5935
ea28 1342 1342/1342 1342 ± 0.00002398 5.65 5.421/6.415 5.884 ± 0.666
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 ± 0.00002392 5.354 5.171/5.565 5.353 ± 0.2564
3 1342 1342/1342 1342 ± 0.00002417 5.148 4.939/5.309 5.134 ± 0.2395
4 1342 1342/1342 1342 ± 0.00002417 5.274 5.119/5.383 5.229 ± 0.2622
5 1342 1342/1342 1342 ± 0.00002392 5.378 5.15/5.562 5.373 ± 0.304
6 1342 1342/1342 1342 ± 0.00002392 5.321 5.16/5.478 5.288 ± 0.2906
7 1342 1342/1342 1342 ± 0.00002392 5.338 5.254/5.486 5.346 ± 0.2545
8 1342 1342/1342 1342 ± 0.00002392 5.301 5.187/5.46 5.308 ± 0.2738
9 1342 1342/1342 1342 ± 0.00002392 5.602 5.449/5.875 5.591 ± 0.3172
10 1342 1342/1342 1342 ± 0.00002348 6.018 5.87/6.186 6.001 ± 0.3029
11 1342 1342/1342 1342 ± 0.00002348 6.302 6.079/6.379 6.214 ± 0.31
12 1342 1342/1342 1342 ± 0.00002348 6.419 6.211/6.546 6.365 ± 0.3337
13 1342 1342/1342 1342 ± 0.00002348 6.877 6.678/7.016 6.813 ± 0.3509
14 1342 1342/1342 1342 ± 0.00002348 7.074 6.806/7.264 6.993 ± 0.3925
15 1342 1342/1342 1342 ± 0.00002348 6.667 6.376/6.848 6.604 ± 0.392
16 1342 1342/1342 1342 ± 0.0000308 5.897 5.686/6.254 5.951 ± 0.3438
17 1342 1342/1342 1342 ± 0.00002963 5.905 5.697/6.222 5.947 ± 0.3338
vis
VLASS2.1.sb38521729.eb38627577.59093.001901145835_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-05-01 11:02:10.309
End
2024-05-01 12:19:15.826
Duration
1:17:05.517
Note, WebLog generation is not included in the time.

CASA logs for stage 7