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

Statwt Summary Plot

VLASS2.1.sb38471682.eb38515236.59049.18662664352_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 5.599 5.322/6.33 5.679 ± 0.7482
ea02 1342 1342/1342 1342 ± 0.00004272 6.032 5.575/6.758 6.027 ± 0.9041
ea04 1342 1342/1342 1342 ± 0.00002503 5.402 5.299/6.139 5.589 ± 0.73
ea05 1342 1342/1342 1342 ± 0.00001332 5.497 5.223/6.618 5.822 ± 0.7989
ea06 1342 1342/1342 1342 ± 0.00003556 5.161 4.848/5.817 5.281 ± 0.6617
ea07 1342 1342/1342 1342 ± 0.00004295 6.031 5.55/6.35 5.904 ± 0.8315
ea09 1342 1342/1342 1342 ± 0.00002875 5.325 5.066/5.842 5.351 ± 0.5977
ea10 1342 1342/1342 1342 ± 0.00004638 5.344 4.928/5.968 5.344 ± 0.6996
ea11 1342 1342/1342 1342 ± 0.00004372 6.057 5.613/6.721 6.037 ± 0.9288
ea12 1342 1342/1342 1342 ± 0.00004073 5.766 5.696/6.679 6.01 ± 0.887
ea13 1342 1342/1342 1342 ± 0.00001786 5.98 5.59/6.385 6.046 ± 0.7192
ea14 1342 1342/1342 1342 ± 0.00003621 5.843 5.493/6.714 5.993 ± 0.9006
ea15 1342 1342/1342 1342 ± 0.00002436 5.773 5.504/6.6 5.898 ± 0.9204
ea16 1342 1342/1342 1342 ± 0.00002582 5.924 5.567/6.813 6.061 ± 0.9549
ea17 1342 1342/1342 1342 ± 0.00004293 6.046 5.65/7.079 6.107 ± 0.9418
ea18 1342 1342/1342 1342 ± 0.00004212 5.172 4.913/5.957 5.309 ± 0.6506
ea19 1342 1342/1342 1342 ± 0.00001066 5.803 5.615/6.735 6.059 ± 0.8194
ea20 1342 1342/1342 1342 ± 0.00004283 6.234 5.959/7.087 6.37 ± 0.9952
ea21 1342 1342/1342 1342 ± 0.00002938 5.603 5.21/6.4 5.762 ± 0.8096
ea22 1342 1342/1342 1342 ± 0.00003672 5.647 5.157/6.564 5.784 ± 0.8256
ea23 1342 1342/1342 1342 ± 0.0000436 6.013 5.544/6.786 6.041 ± 0.9951
ea24 1342 1342/1342 1342 ± 0.00001879 5.282 4.866/6.196 5.49 ± 0.6956
ea25 1342 1342/1342 1342 ± 0.00004241 5.777 5.252/6.461 5.786 ± 0.8292
ea26 1342 1342/1342 1342 ± 0.00002749 5.897 5.796/6.925 6.132 ± 0.8613
ea27 1342 1342/1342 1342 ± 0.00004305 5.809 5.394/6.683 5.9 ± 0.857
ea28 1342 1342/1342 1342 ± 0.00004222 5.792 5.66/6.746 6.033 ± 0.9074
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 ± 0.00002348 5.355 5.163/5.552 5.309 ± 0.3094
3 1342 1342/1342 1342 ± 0.00003997 5.563 5.263/5.801 5.557 ± 0.3993
5 1342 1342/1342 1342 ± 0.000026 5.563 5.278/5.758 5.543 ± 0.3193
6 1342 1342/1342 1342 ± 0.00002348 5.613 5.249/5.749 5.522 ± 0.2955
7 1342 1342/1342 1342 ± 0.00002348 5.59 5.381/5.76 5.55 ± 0.294
8 1342 1342/1342 1342 ± 0.00002348 5.525 5.183/5.663 5.458 ± 0.3361
9 1342 1342/1342 1342 ± 0.00002348 5.788 5.388/5.946 5.683 ± 0.3321
10 1342 1342/1342 1342 ± 0.00002348 6.188 5.953/6.314 6.111 ± 0.3101
11 1342 1342/1342 1342 ± 0.00002348 6.408 6.097/6.653 6.38 ± 0.3243
12 1342 1342/1342 1342 ± 0.00002348 6.576 6.337/6.778 6.536 ± 0.3698
13 1342 1342/1342 1342 ± 0.00002348 6.936 6.749/7.246 6.917 ± 0.4275
14 1342 1342/1342 1342 ± 0.00002348 7.253 6.89/7.419 7.096 ± 0.4432
15 1342 1342/1342 1342 ± 0.0000235 6.712 6.435/6.974 6.645 ± 0.4284
16 1342 1342/1342 1342 ± 0.00005565 4.384 4.256/4.509 4.379 ± 0.1778
17 1342 1342/1342 1342 ± 0.00005928 4.369 4.229/4.635 4.426 ± 0.2681
vis
VLASS2.1.sb38471682.eb38515236.59049.18662664352_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-04-20 23:38:21.594
End
2024-04-21 00:40:37.021
Duration
1:02:15.427
Note, WebLog generation is not included in the time.

CASA logs for stage 7