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

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_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 5.367 5.204/6.221 5.568 ± 0.7576
ea02 1342 1342/1342 1342 ± 0.00004052 5.916 5.354/6.729 5.904 ± 0.9916
ea04 1342 1342/1342 1342 ± 0.00001467 5.325 5.017/6.055 5.385 ± 0.7954
ea05 1342 1342/1342 1342 ± 0.00002434 5.473 5.021/6.303 5.628 ± 0.7848
ea06 1342 1342/1342 1342 ± 0.00003179 4.981 4.675/5.337 4.864 ± 0.6056
ea07 1342 1342/1342 1342 ± 0.00003325 5.949 5.448/6.378 5.9 ± 0.7848
ea08 1342 1342/1342 1342 ± 0.00003542 6.056 5.677/6.854 6.145 ± 0.952
ea09 1342 1342/1342 1342 ± 0.00003374 5.701 5.148/6.552 5.673 ± 0.8655
ea10 1342 1342/1342 1342 ± 0.00003689 5.968 5.322/6.682 5.865 ± 0.9188
ea11 1342 1342/1342 1342 ± 0.00004086 5.796 5.13/6.528 5.661 ± 0.9127
ea12 1342 1342/1342 1342 ± 0.00003436 5.708 5.328/6.564 5.735 ± 0.9383
ea13 1342 1342/1342 1342 ± 0.00002515 5.888 5.65/6.422 5.992 ± 0.811
ea14 1342 1342/1342 1342 ± 0.00003609 5.524 5.093/6.425 5.649 ± 0.8212
ea15 1342 1342/1342 1342 ± 0.00001827 5.314 5.109/6.29 5.538 ± 0.918
ea16 1342 1342/1342 1342 ± 0.0000347 5.9 5.483/6.872 6.014 ± 0.9597
ea17 1342 1342/1342 1342 ± 0.00003678 5.907 5.495/6.981 5.996 ± 0.8994
ea18 1342 1342/1342 1342 ± 0.00003818 5.024 4.762/5.74 5.1 ± 0.625
ea19 1342 1342/1342 1342 ± 0.00001735 5.825 5.492/6.815 5.997 ± 0.8485
ea20 1342 1342/1342 1342 ± 0.00004013 5.871 5.561/6.977 6.025 ± 0.9936
ea21 1342 1342/1342 1342 ± 0.00003246 5.5 5.339/6.346 5.658 ± 0.7918
ea22 1342 1342/1342 1342 ± 0.00003765 5.37 5.134/6.492 5.673 ± 0.8423
ea23 1342 1342/1342 1342 ± 0.00003651 5.838 5.464/6.603 5.832 ± 0.939
ea25 1342 1342/1342 1342 ± 0.000035 5.532 5.233/6.343 5.629 ± 0.7676
ea26 1342 1342/1342 1342 ± 0.00003673 5.871 5.6/6.975 6.061 ± 0.9424
ea27 1342 1342/1342 1342 ± 0.0000327 5.574 5.354/6.512 5.745 ± 0.788
ea28 1342 1342/1342 1342 ± 0.00004207 5.68 5.393/6.608 5.794 ± 0.9591
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 5.443 5.317/5.736 5.475 ± 0.2718
5 1342 1342/1342 1342 ± 0.00002471 5.333 5.132/5.517 5.336 ± 0.2678
6 1342 1342/1342 1342 ± 0.00002348 5.355 5.127/5.515 5.304 ± 0.28
7 1342 1342/1342 1342 ± 0.00002348 5.356 5.165/5.505 5.344 ± 0.271
8 1342 1342/1342 1342 ± 0.00002348 5.348 5.13/5.483 5.296 ± 0.2865
9 1342 1342/1342 1342 ± 0.00002397 5.632 5.421/5.889 5.607 ± 0.3158
10 1342 1342/1342 1342 ± 0.00002348 6.08 5.872/6.247 6.035 ± 0.3282
11 1342 1342/1342 1342 ± 0.00002348 6.381 6.24/6.509 6.315 ± 0.3396
12 1342 1342/1342 1342 ± 0.00002348 6.548 6.351/6.763 6.515 ± 0.3717
13 1342 1342/1342 1342 ± 0.00002348 6.925 6.721/7.037 6.853 ± 0.3942
14 1342 1342/1342 1342 ± 0.00002395 6.867 6.596/7.13 6.811 ± 0.4988
15 1342 1342/1342 1342 ± 0.00002465 6.689 6.48/6.961 6.645 ± 0.4624
16 1342 1342/1342 1342 ± 0.00005661 4.074 3.918/4.277 4.103 ± 0.2531
17 1342 1342/1342 1342 ± 0.00005738 4.016 3.848/4.366 4.116 ± 0.369
output_dir
 
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-01 20:14:19.296
End
2024-11-01 21:09:50.749
Duration
0:55:31.453
Note, WebLog generation is not included in the time.

CASA logs for stage 8